September Holidays

One of the big September Holidays, is Labor Day, which is on the 1st Monday in September each year. It is typically, the last mini-vacation of the summer season, before the kids go back to school.  For those living in the United States, in California, or Nevada, lots of folks flock to Lake Tahoe for the Labor Day weekend.

Sand Harbor State Park at Lake Tahoe on the Nevada side of the Lake

Pictured above is Divers Cove in the Sand Harbor State Park on the Nevada side of the Lake. For more info, please check out my Sand Harbor State Park page, on my Truckee Travel Guide website.


Below you will find our listing of September Holidays and Observances, that fall in the month of September. 

NOTE:

  1. A page on each holiday will be coming soon and linked below.
  2. If a date is a movable holiday, that is different every year, we'll include the year as well as the date rule below. Otherwise, the holiday falls on the same date each year. 
  3. If we have made an error, have any incorrect dates, or have left off any Holidays, Observances, or Awareness Days etc, please let us know! Contact Us!


Annual Holidays and Observances
United Nations International Years

Each year, the United Nations chooses a few different topics, or themes that they want all the Countries around the World to focus on. 

In 2024, these are:

  • International Year of Camelids

In 2022, these are:

  • International Year of Artisanal Fisheries and Aquaculture

In 2021, these are:

  • International Year of Creative Economy for Sustainable Development
  • International Year of Fruits and Vegetables
  • International Year of Peach and Trust

In 2020, these are:

  • International Year of Plant Health
  • International Year of the Nurse and the Midwife

In 2019, these are:

  • International Year of Indigenous Languages
  • International Year of Moderation
  • International Year of the Periodic Table of Chemical Elements 

In 2017, these are:

  • International Year of Sustainable Tourism for Development

In 2016, these are:

  • International Year of Pulses

In 2015, these are:

  • International Year of Light and Light-based Technologies
  • International Year of Soils

In 2014, these are:

  • International Year of Crystallography
  • International Year of Family Farming
  • International Year of Small Island Developing States
  • International Year of Solidarity with the Palestinian People

In 2013, these are:

  • International Year of Quinoa
  • International Year of Water Cooperation

In 2012, these are:

  • International Year of Cooperatives
  • International Year of Sustainable Energy for All.


Monthly Holidays and Observances

  • AKC Responsible Dog Ownership Month
  • All American Breakfast Month
  • America on the Move - Month of Action
  • Animal Pain Awareness Month
  • Apple Month
  • Attention Deficit Hyperactivity Disorder Month
  • Baby Safety Month
  • Backpack Safety American Month
  • Be Kind to Editors & Writers Month
  • BioDiversity Month
  • Cable TV Month
  • California Wine Month
  • Chiari Malformation Awareness Month
  • Child Passenger Safety Month
  • Childhood Cancer Awareness Month
  • Children's Good Manners Month
  • Chili Peppers Month
  • Classical Music Month
  • Cold and Flu Campaign
  • College Savings Month
  • Eat Chicken Month
  • Ethnic Foods Month
  • Fall Hat Month
  • Figs Month
  • Food Allergy Awareness Month
  • Friendship Month (UK) 
  • Fruit & Veggie Month
  • Go Wild During California Wild Rice Month
  • Great American Low-Cholesterol, Low-Fat Pizza Bake Month
  • Gynecologic Cancer Awareness Month
  • Happy Cat Month
  • Healthy Aging Month
  • Home and Sports Eye Safety Month
  • Hug a Texas Chef Month
  • Hunger Action Month
  • Idiopathic Intracranial Hypertension Awareness Month
  • Intergeneration Month
  • International People Skills Month
  • International Self-Awareness Month
  • International Speak Out Month
  • International Square Dancing Month
  • International Strategic Thinking Month
  • International Women's Friendship Month
  • Latino Heritage Month
  • Leukemia & Lymphoma Awareness Month
  • Library Card Sign-Up Month
  • Little League Month
  • Million Minute Family Challenge
  • Mold Awareness Month
  • National Alcohol & Drug Addiction Recovery Month
  • National Americana Month 
  • National Atrial Fibrillation Awareness Month
  • National Bed Check Month
  • National Biscuit Month
  • National Blueberry Popsicle Month 
  • National Bourbon Heritage Month
  • National Breakfast Month
  • National Chicken Month
  • National Child Awareness Month
  • National Childhood Injury Prevention Month
  • National Childhood Obesity Awareness Month
  • National Cholesterol Education Month
  • National Coupon Month
  • National Courtesy Month
  • National Disaster Preparedness Month
  • National DNA, Genomics and Stem Cell Education and Awareness Month
  • National Family Meals Month
  • National Food Safety Education Month
  • National Fruit and Veggies - More Matters Month
  • National Guide Dogs Month
  • National Head Lice Prevention Month
  • National Hispanic Heritage Month (September 15 - October 15)
  • National Home Furnishings Month
  • National Honey Month
  • National Hydrocephalus Awareness Month
  • National Italian Cheese Month
  • National ITP Awareness Month
  • National Literacy Month
  • National Mortgage Professional Month
  • National Menopause Awareness Month
  • National Mushroom Month
  • National Myositis Awareness Month
  • National Organic Harvest Month
  • National Osteopathic Medicine Month
  • National Ovarian Cancer Awareness Month
  • National Pain Awareness Month
  • National Papaya Month
  • National Pediculosis Prevention Month
  • National Piano Month
  • National Potato Month
  • National Preparedness Month
  • National Prime Beef Month
  • National Prosper Where You're Planted Month
  • National Prostate Cancer Awareness Month
  • National Recovery Month
  • National Rice Month
  • National Save a Tiger Month
  • National Service Dog Month
  • National Sewing Month
  • National Shake Month
  • National Sickle Cell Awareness Month
  • National Skin Care Awareness Month
  • National Suicide Prevention Month 
  • National Velociraptor Awareness Month
  • National Wilderness Month
  • National Yoga Awareness Month
  • Newborn Screening Awareness Month
  • One-on-One Month
  • Organic Harvest Month
  • Pad Awareness Month
  • Passion Fruit Month
  • Peach Month
  • Peas Month
  • Pediatric Cancer Awareness Month
  • Pet Smile Month (UK)
  • Pleasure Your Mate Month
  • Polycystic Ovarian Syndrome Awareness Month
  • Pulmonary Fibrosis Awareness Month
  • Radish Month
  • Read a New Book Month (Also observed in the Month of December)
  • Save the Koala Month
  • Save Your Photos Month
  • Sea Cadet Month
  • Self-Care Awareness Month
  • Self Improvement Month
  • Senior Care Health Month
  • Shameless Promotion Month
  • Sports and Home Eye Safety Month
  • STEPtember
  • Subliminal Communications Month
  • Update Your Resume Month
  • Whole Grains Month
  • Women's Friendship Month
  • World Animal Remembrance Month

Weekly Holidays and Observances

  • Adopt a Less Adoptable Pet Week - September 19-25, 2021 (Third Week in September)
  • Balance Awareness Week - September 19-25, 2021 (Third Full Week of September)
  • Banned Books Week - September 26 - October 2, 2021 (Last Week in September)
  • Build a Better Image Week - September 19-25, 2021 (Third Full Week of September)
  • Child Passenger Safety Awareness Week - September 19-25, 2021 (Third Full Week in September)
  • Clean Up the World Weekend - September 17-19, 2021 (Third Weekend in September)
  • Constitution Week - September 17-23
  • Deaf Dog Awareness Week - September 19-25, 2021 (Last Full Week of September)
  • Direct Support Professional Recognition Week - September 9-15
  • Drive Sober or Get Pulled Over - September 3-7, 2021 
  • Global Week of Student Prayer - September 19-25, 2021
  • Great American Beer Festival - September 17 - October 17, 2021 
  • Great Reno Balloon Race - September 10-12, 2021 in Reno, Nevada, the World's Largest FREE Hot-Air Ballooning Event. (For more info, please see my Great Reno Balloon Race page on my Truckee Travel Guide website)
  • Hoshanah Rabbah - Evening of September 26, 2021 to Evening of September 27, 2021 (Final Day of Sukkot)
  • International Air Ambulance Week - September 4-12, 2021
  • International Clean Hands Week - September 19-25, 2021 (Third Full Week of September)
  • International Deaf Awareness Week - September 19-25, 2021 (Last Whole Week in September from Monday - Sunday)
  • International Enthusiasm Week - September 1-7
  • International Housekeepers Week - September 12-18, 2021 (Second Full Week of September)
  • International Interpreters and Translators Week - September 19-25, 2021 (Last Full Week in September)
  • International Sand Sculpting Championship - September 24 - October 3, 2021
  • International Tree Climbing Week - September 10-12, 2021
  • International Week of the Deaf - September 26 - October 2, 2021 (Week that has the last Sunday in September)
  • International Women's E-Commerce Days - September 19-25, 2021
  • Line Dance Week - September 13-18, 2021 (Starts on Second Monday through Saturday in September)
  • Minimally Invasive Surgery Week - September 22-23, 29-30, 2021
  • Mitochondrial Disease Awareness Week - September 19-25, 2021 (Third Full Week in September)
  • National Adult Day Services Week - September 19-25, 2021 (Third week of September)
  • National Assisted Living Week - September 12-18, 2021
  • National Ballroom Dancing Week - September 17-26, 2021
  • National Biscuit and Gravy Week - September 5-11, 2021 (Second Week of September)
  • National Buffalo Chicken Wings Days - September 4-5, 2021 (Labor Day Weekend)
  • National Championship Chuckwagon Races - August 28 - September 4, 2021 (Clinton, Arkansas)
  • National Childhood Injury Prevention Week - September 1-7
  • National Chimney Safety Week - September 26 - October 2, 2021 (Week before Fire Prevention Week)
  • National Days of Prayer and Remembrance - September 10-12, 2021 (Friday - Sunday closest to 9/11)
  • National Deaf Dog Awareness Week - September 19-25, 2021 (Last Full Week in September)
  • National Dog Week - September 26 - October 2, 2021 (Last Week of September)
  • National Drive Electric Week (Formerly National Plug In Week) - September 25 - October 3, 2021
  • National Eczema Week - September 13-21
  • National Employ Older Workers Week - September 19-25, 2021 (Last Full Week in September)
  • National Environmental Services Week - September 4-8, 2020 (2021 TBD)
  • National Fall Foliage Week - September 26 - October 2, 2021 (Begins on the Last Sunday in September)
  • National Farm & Ranch Safety and Health Week - September 19-25, 2021 (Third Full Week of September)
  • National Farm Animals Awareness Week - September 18-24, 2021 (Third week of September)
  • National Food Services Workers Week - Fourth Week of September
  • National Go-Kart Week - September 19-25, 2021 (Third Week in September)
  • National Hispanic Heritage Weeks - September 15, 2021 - October 15, 2021 (Starts on September 15 and ends on October 15th each year)
  • National Historically Black Colleges & Universities Week - September 19-25, 2021
  • National Indoor Plant Week - September 19-25, 2021 (Third Full Week of September)
  • National Keep Kids Creative Week - September 26 - October 2, 2021 (Last Week of September)
  • National Love Your Files Week - September 20-24, 2021 (Third Full Mon-Fri Week)
  • National Nephrology Nurses Week - September 12-18, 2021 (Second Full Week in September)
  • National Nutrition Week - September 1-7
  • National Payroll Week - September 6-10, 2021 (First Mon-Fri Week in September)
  • National Postdoc Appreciation Week - September 20-24, 2021
  • National Rehabilitation Awareness Week - September 19-25, 2021 (Third Full Week in September)
  • National Security Officer Appreciation Week - September 12-18, 2021
  • National Singles Week - September 19-25, 2021 (Third Full Week in September) 
  • National Suicide Prevention Week - September 5-11, 2021 (always has Sept. 10th in the week) 
  • National Surgical Technologist Week - September 19-25, 2021 (Third Full Week in September)
  • National Sweet Corn Week - September 2-6, 2021
  • National Truck Driver Appreciation Week - September 12-18, 2021
  • National Waffle Week - September 5-11, 2021  (First Week of September)
  • National Wild Rice Week - (Fourth Week of September)
  • North American International Auto Show (Detroit) - September 24 - October 9, 2021
  • Oktoberfest - September 18, 2021 - October 3, 2021 Beer Festival in Munich, Germany. This festival is now held all over the World. Also, check out our Holidays in Germany page!
  • Paralympic Summer Games - August 24 - September 5, 2021
  • Patient Blood Management Awareness Week - September 22-25, 2021
  • Play Days - September 7-11, 2021 (Tuesday - Saturday after Labor Day)
  • Pollution Prevention Week - September 19-24, 2021  (Begins on the Third Monday in September)
  • Popcorn Days - September 10-12, 2021 (First Weekend after Labor Day)
  • Prostate Cancer Awareness Week - September 19-25, 2021 (Third Week of September)
  • Remember to Register to Vote Week - September 26 - October 2, 2021 (Last Week in September)
  • Reye's Syndrome Awareness Week - September 19-25, 2021 (Third Week of September)
  • Rosh Hashanah - Evening of September 6, 2021 - Evening of September 8, 2021
  • Sea Otter Awareness Week - September 26 - October 2, 2021 (Last Week of September)
  • Self-University Week - September 1-7
  • Shemini Atzeret - Evening of September 27 - Evening of September 29, 2021
  • Shetland Wool Week - September 4-5, 2021
  • Simchat Torah - Evening of September 28 -  Evening of September 29, 2021
  • Sobriety Checkpoint Week - September 5-11, 2021 (First Full Week in September)
  • Solidarity Week (Renamed from Ally Week) - September 21-25, 2020 (2021 TBD)
  • Substitute Teacher Appreciation Week - September 5-11, 2021 (First Full Week of September)
  • Sukkot - Evening of September 20 - Evening of September 27, 2021
  • Tolkien Week - September 19-25, 2021 (Third Week that Hobbit Day 9/22 falls on)
  • US Open Tennis Championships - August 30 - September 12, 2021
  • World Dairy Expo - September 28 - October 2, 2021
  • World Goat Days - September 14-17, 2020 (Every 2 years)
  • World Hearing Aid Awareness Week - September 26 - October 2, 2021 (Last Week in September)
  • World Reflexology Week - September 19-25, 2021 (Last Full Week in September)
  • Yom Kippur - Evening of September 15 - Evening of September 16, 2021

Daily Holidays and Observances

  • Building and Code Staff Appreciation Day - September 1
  • Chicken Boy Day - September 1
  • Emma M. Nutt Day - September 1
  • Ginger Cat Appreciation Day - September 1
  • Global Talent Acquisition Day - September 1, 2021 (First Wednesday in September)
  • National Cherry Popover Day - September 1
  • National No Rhyme Nor Reason Day - September 1
  • National Tofu Day (UK) - September 1
  • Pink Cadillac Day - September 1
  • Save Japan's Dolphins Day - September 1
  • Toy Tips Executive Toy Test Day - September 1
  • World Letter Writing Day - September 1
  • Bison-ten Yell Day - September 2
  • Calendar Adjustment Day - September 2
  • National Blueberry Popsicle Day - September 2
  • National No Patrick Day - September 2 (SpongeBob Squarepants)
  • Pierce Your Ears Day - September 2
  • Spalding Baseball Day - September 2
  • V-J Day - September 2 (Ceremony & Formal Signing of Japanese Surrender)
  • World Coconut Day - September 2
  • Birth of Anna, Duchess of Bedford, Creator of Afternoon Tea - September 3
  • Bring Your Manners to Work Day - September 3, 2021 (First Friday in September)
  • National College Colors Day - September 3, 2021 (First Friday of Each College School Year)
  • National Day of Prayer for Victims of Hurricane Harvey - September 3
  • National Food Bank Day - September 3, 2021 (First Friday in September)
  • National Lazy Mom's Day - September 3, 2021 (First Friday in September)
  • National Skyscraper Day - September 3
  • National Wear Teal Day - September 3, 2021 (First Friday in September)
  • National Welsh Rarebit Day - September 3
  • Penny Press Day - September 3
  • Bacon Day - September 4, 2021 (Saturday before Labor Day)
  • Eat an Extra Dessert Day - September 4
  • Franchise Appreciation Day - September 4, 2021 (Saturday before Labor Day)
  • International Bacon Day - September 4, 2021 (Saturday before Labor Day)
  • International Vulture Awareness Day - September 4, 2021 (First Saturday in September)
  • National Cowgirl Day - September 4, 2021 (Saturday of Labor Day Weekend)
  • National Hummingbird Day - September 4, 2021 (First Saturday in September)
  • National Macadamia Nut Day - September 4
  • National Play Outside Day - September 4, 2021 (First Saturday of Every Month)
  • National Tailgating Day - September 4, 2021 (First Saturday in September)
  • National Wildlife Day - September 4
  • National Writing Date Day - September 4, 2021 (First Saturday in September)
  • Newspaper Carrier Day - September 4
  • World Beard Day - September 4, 2021 (First Saturday in September)
  • World Sexual Health Day - September 4
  • Be Late for Something Day - September 5
  • Bowling League Day - September 5, 2021 (First Sunday in September)
  • International Day of Charity - September 5
  • Jury Rights Day - September 5
  • National Cheese Pizza Day - September 5
  • National Shrink Day - September 5
  • Pet Rock Day - September 5, 2021 (First Sunday in September)
  • U.S. Bowling League Day - September 5, 2021 (First Sunday in September)
  • World Samosa Day - September 5
  • Barbie Doll Day - September 6
  • Fight Procrastination Day - September 6
  • Great Egg Toss Day - September 6
  • Labor Day - September 6, 2021 (First Monday in September)
  • Mouthguard Day - September 6, 2021 (First Monday in September)
  • National Coffee Ice Cream Day - September 6
  • Read a Book Day - September 6
  • Stillbirth Remembrance Day - September 6
  • Another Look Unlimited Day - September 7, 2021 (Day after Labor Day)
  • Google Commemoration Day - September 7
  • Grandma Moses Day - September 7
  • National Acorn Squash Day - September 7
  • National Attention Deficit Disorder Awareness Day - September 7
  • National Beer Lover's Day - September 7
  • National Feel the Love Day - September 7
  • National Grateful Patient Day - September 7
  • National Threatened Species Day - September 7
  • Neither Snow nor Rain Day - September 7
  • Salami Day - September 7
  • Super Human Day - September 7
  • Telephone Tuesday - September 7, 2021 (Tuesday after Labor Day)
  • International Literacy Day - September 8
  • Miss America Pageant - September 8, 2020 (2021 TBA)
  • National Actors Day - September 8
  • National Ampersand Day - September 8
  • National Date Nut Bread Day - September 8
  • Pardon Day - September 8
  • Pediatric Hematology/Oncology Nurses Day - September 8
  • Star Trek Day - September 8
  • Virgin Mary Day - September 8
  • World Physical Therapy Day - September 8
  • Bonza Bottler Day - September 9
  • Care Bears Share Your Care Day - September 9
  • Fast of Gedalya - September 9, 2021
  • Fetal Alcohol Spectrum Disorders Day - September 9
  • Gedaliah - September 9, 2021 (Fast from Dawn to Dusk)
  • International Buy a Priest a Beer Day - September 9
  • International Sudoku Day - September 9
  • National Steak Au Poivre Day - September 9
  • National Teddy Bear Day - September 9
  • R U Ok Day - (Australia) - September 9, 2021
  • Testers Day - September 9
  • Wienerschnitzel Day - September 9
  • Wonderful Weirdoes Day - September 9
  • Blame it on the Large Hadron Collider Day - September 10
  • Ganesh Chaturthi (Hindu Holiday) - September 10, 2021
  • International Creepy Boston Dynamics Robotic Horse Day - September 10
  • International Makeup Day - September 10
  • National 401(k) Day - September 10, 2021 (First Friday after Labor Day)
  • National Dog Walker Appreciation Day - September 10, 2021 (Friday after Labor Day)
  • National Hot Dog Day - September 10 (Also on July 21, 2021 - Third Wednesday in July)
  • National Hug Your Boss Day - September 10, 2021 (Second Friday in September)
  • Sew Be it - September 10
  • Stand Up to Cancer Day - September 10, 2021 (Second Friday in September)
  • Swap Ideas Day - September 10
  • TV Dinner Day - September 10
  • World Suicide Prevention Day - September 10
  • 9/11 Remembrance Day - September 11
  • Aunt's Day - September 11, 2021 (First Saturday After Labor Day)
  • Carl Garner Federal Lands Cleanup Day - September 11, 2021 (First Saturday after Labor Day)
  • Emergency Number Day - September 11 (Proclaimed by President Reagan on August 26, in 1987)
  • Farmer's Consumer Awareness Day - September 11, 2021 (Second Saturday in September)
  • German Language Day - September 11, 2021 (Second Saturday in September)
  • I Want to Start my Own Business Day - September 11
  • International Drive Your Studebaker Day - September 11, 2021 (Second Saturday in September)
  • Libraries Remember Day - September 11
  • Make Your Bed Day - September 11
  • National Clean Out Your Garage Day - September 11, 2021 (Saturday after Labor Day)
  • National Day of Remembrance for Aborted Children - September 11, 2021 (Second Saturday in September)
  • National Day of Service and Remembrance - September 11
  • National Emergency Responder Day - September 11
  • National Hot Cross Bun Day - September 11
  • National Iguana Awareness Day - September 11, 2021 (Second Saturday in September)
  • National Lacemaking Day - September 11, 2021 (Second Saturday in September)
  • National No News is Good News Day - September 11
  • National Programmer's Day - September 11, 2021 (on 256th Day of the Year)
  • Odd Day - (Last one was 9-11-13 - three consecutive odd numbers)
  • Patriot Day - September 11
  • Prairie Day - September 11, 2021 (Second Saturday in September)
  • Remember Freedom Day - September 11
  • Women's Baseball Day - September 11
  • World First Aid Day - September 11, 2021 (Second Saturday in September)
  • Day of the Homeland - September 12, 2021 (Second Sunday in September)
  • Defenders Day (State of Maryland) - September 12
  • National Chocolate Milkshake Day - September 12
  • National Day of Civic Hacking - September 12
  • National Day of Encouragement - September 12
  • National Grandparent's Day - September 12, 2021 (First Sunday After Labor Day)
  • National Hug Your Hound Day - September 12, 2021 (Second Sunday in September)
  • National Pet Memorial Day - September 12, 2021 (Second Sunday in September)
  • National Police Woman's Day - September 12
  • National Report Medicare Fraud Day - September 12
  • Racial Justice Sunday - September 12, 2021 (Second Sunday in September)
  • Sustainable House Day - September 12, 2021 (Second Sunday in September)
  • United Nations Day for South-South Cooperation - September 12
  • Video Games Day - September 12
  • Bald is Beautiful Day - September 13
  • Fortune Cookie Day - September 13
  • I'm on Top of it Day - September 13, 2021 (Second Monday in September)
  • International Chocolate Day - September 13
  • International Programmer's Day  September 13, 2021
  • Kids Take Over the Kitchen Day - September 13
  • National Boss/Employee Exchange Day - September 13, 2021 (First Monday after Labor Day)
  • National Celiac Awareness Day - September 13
  • National Defy Superstition Day - September 13
  • National Peanut Day - September 13
  • Positive Thinking Day - September 13
  • Roald Dahl Day - September 13
  • Scooby-Doo Day - September 13
  • Snack a Pickle Time - September 13
  • Supernatural Day - September 13
  • Uncle Sam Day - September 13
  • Eat a Hoagie Day - September 14
  • Gobstopper Day - September 14
  • Live Creative Day - September 14
  • National Ants on a Log - September 14, 2021 (Second Tuesday in September)
  • National Coloring Day - September 14
  • National Cream Filled Donut Day - September 14
  • National Quiet Day (UK) - September 14
  • National Sober Day - September 14
  • Support Latino Business Day - September 14
  • The Exaltation of the Holy Cross - September 14
  • 8-Track Tape Day - September 15
  • Butterscotch Cinnamon Pie Day - September 15
  • Felt Hat Day - September 15
  • Google . com Day - September 15
  • Greenpeace Day  - September 15
  • International Day of Democracy - September 15
  • International Dot Day - September 15
  • LGBT Center Awareness Day - September 15
  • Make a Hat Day - September 15
  • National Caregivers Day - September 15
  • National Cheese Toast Day - September 15
  • National Creme de Menthe Day - September 15
  • National Double Cheeseburger Day - September 15
  • National Linguine Day - September 15
  • National Neonatal Nurses Day - September 15
  • National On-Line Learning Day - September 15
  • National Rehabilitation Day - September 15, 2021 (Wednesday in Third Week of September)
  • National School Backpack Awareness Day - September 15, 2021 (Third Wednesday in September)
  • National Thank You Day - September 15
  • Someday - September 15
  • Tackle Kids Cancer Day - September 15
  • World Afro Day - September 15
  • AKC Responsible Dog Ownership Day - September 16, 2021 (Third Thursday in September)
  • Anne Bradstreet Day - September 16
  • Free Queso Day - September 16, 2021 (Third Thursday in September)
  • International Day for the Preservation of the Ozone Layer - September 16
  • International Day of Listening - September 16, 2021
  • Mayflower Day - September 16
  • National Ask an Atheist Day - September 16, 2021 (Also on April 16, 2020)
  • National Cinnamon Raisin Bread Day - September 16
  • National Collect Rocks Day - September 16
  • National Day of Prayer and Remembrance for the Victims of Hurricane Katrina - September 16
  • National Guacamole Day - September 16
  • National Mexican Independence Day - September 16
  • National PawPaw Day (Fruit) - September 16, 2021 (Third Thursday in September)
  • National Play-Doh Day - September 16
  • National Stay Away from Seattle Day - September 16
  • National Stepfamily Day - September 16
  • National Tattoo Story Day - September 16
  • National Teach Ag Day - September 16, 2021 (Third Thursday in September)
  • Play-doh Day - September 16
  • Stay Away From Seattle Day - September 16
  • Teenager Workout Day - September 16
  • Trail of Tears Commemoration Day - September 16
  • Working Parents Day - September 16
  • Wrinkled Raincoat Day - September 16
  • Bright Pink Lipstick Day - September 17, 2021 (Third Friday in September)
  • Citizenship Day - September 17
  • Constitution Day - September 17
  • Constitution Day / Pledge Across America - September 17, 2021 (Third Friday in September)
  • Global Be(er) Responsible Day - September 17, 2021 (Third Friday in September)
  • International Country Music Day - September 17
  • International Grenache Day - September 17, 2021 (Third Friday in September)
  • National Apple Dumpling Day - September 17
  • National Concussion Awareness Day - September 17, 2021 (Third Friday in September)
  • National Monte Cristo Day - September 17
  • National POW/MIA Recognition Day - September 17, 2021 (Third Friday in September)
  • National Professional House Cleaners Day - September 17
  • National Table Shuffleboard Day - September 17
  • National Tradesmen Day - September 17, 2021 (Third Friday in September)
  • Times Up Day - September 17
  • VFW Ladies Auxiliary Day - September 17
  • World Patient Safety Day - September 17
  • Batman Day - September 18, 2021 and also May 1 (Third Saturday in September)
  • Big Whopper Liar Day - September 18, 2021 (Third Saturday in September)
  • Boys and Girls Club Day for Kids - September 18, 2021 (Third Saturday in September)
  • Chiropractic Founders Day - September 18
  • First Love Day - September 18
  • Hug a Greeting Card Writer Day - September 18
  • International Coastal Cleanup Day - September 18, 2021 (Third Saturday)
  • International Eat an Apple Day - September 18, 2021 (Third Saturday in September)
  • International Read an eBook Day - September 18
  • International Red Panda Day - September 18, 2021 (Third Saturday in September)
  • Locate An Old Friend Day - September 18, 2021 (Third Saturday in September)
  • National Ceiling Fan Day - September 18
  • National Cheeseburger Day - September 18
  • National Clean Up Day - September 18, 2021 (Third Saturday in September)
  • National Dance Day - September 18, 2021 (Third Saturday in September)
  • National Gymnastics Day - September 18, 2021 (Third Saturday in September)
  • National HIV/AIDS and Aging Awareness Day - September 18
  • National Museum Day - September 18, 2021; Also on May 18
  • National Respect Day - September 18
  • National Thank A Police Officer Day - September 18, 2021 (Third Saturday in September)
  • Puppy Mill Awareness Day - September 18, 2021 (Third Saturday in September)
  • Responsible Dog Ownership Day - September 18, 2021 (Third Saturday in September)
  • Rice Krispies Treats Day - September 18
  • Software Freedom Day - September 18, 2021 (Third Saturday in September)
  • US Air Force Birthday (USAF) - September 18
  • World Bamboo Day - September 18
  • World Cleanup Day - September 18, 2021
  • World Water Monitoring Day - September 18
  • Meow Like a Pirate Day - September 19
  • National Back to Church Sunday - September 19, 2021 (Third Sunday in September)
  • National Butterscotch Pudding Day - September 19
  • National Neighborhood Day - September 19, 2021 (Third Sunday in September)
  • National Women's Friendship Day - September 19, 2021 (Third Sunday in September)
  • Talk Like a Pirate Day - September 19
  • Wife Appreciation Day - September 19, 2021 (Third Sunday in September)
  • National Fried Rice Day - September 20
  • National Gibberish Day - September 20
  • National Pepperoni Pizza Day - September 20
  • National Punch Day - September 20
  • National Rum Punch Day - September 20
  • National String Cheese Day - September 20
  • Respect for the Aged Day - September 20, 2021 (Third Monday in September)
  • Escapology Day - September 21
  • Get Ready Day - September 21, 2021 (Third Tuesday in September)
  • International Banana Festival - September 21
  • International Day of Peace - September 21
  • IT Professionals Day - September 21, 2021 (Third Tuesday in September)
  • Miniature Golf Day - September 21
  • National Chai Day - September 21
  • National Farm Safety Day for Kids - September 21
  • National IT Professionals Day - September 21, 2021 (Third Tuesday in September)
  • National Myositis Awareness Day - September 21
  • National Pecan Cookie Day - September 21
  • Pause the World Day - September 21
  • Peace One Day - September 21
  • Take a Loved One to the Doctor Day - September 21, 2021 (Third Tuesday in September
  • World Alzheimer's Day - September 21
  • World Gratitude Day - September 21
  • American Business Women's Day - September 22
  • Autumnal Equinox (First Day of Autumn) - September 22, 2021
  • Car Free Day - September 22
  • Chainmail Day - September 22
  • Dear Diary Day - September 22
  • Elephant Appreciation Day - September 22
  • Emancipation Day (State Holiday in Ohio) - September 22
  • First Day of Autumn - September 22, 2021
  • Hobbit Day - September 22
  • International Day of Radiant Peace - September 22
  • Mabon - September 22, 2021 (Always on Autumnal Equinox)
  • National Centenarian's Day - September 22
  • National Falls Prevention Awareness Day - September 22, 2021 (First Day of Fall)
  • National Girls Night in Day - September 22
  • National Ice Cream Cone Day - September 22
  • National Leg Wear Day - September 22
  • National Rock n' Roll Dog Day - September 22
  • National White Chocolate Day - September 22
  • Proposal Day - September 22, 2021 (First Day of Spring and First Day of Fall)
  • Remote Employee Appreciation Day - September 22
  • See You at the Pole - September 22, 2021 (Fourth Wednesday in September)
  • September Equinox - September 22, 2021
  • World Car Free Day - September 22
  • World Rhino Day - September 22
  • Celebrate Bi-Sexuality Day - September 23
  • Dogs in Politics Day - September 23
  • Innergize Day - September 23, 2021 (Day after the Autumn Equinox)
  • International Day of Sign Languages - September 23
  • National Checkers Day - September 23
  • National Great American Pot Pie Day - September 23
  • National Snack Stick Day - September 23
  • Remember Me Thursday -September 23, 2021 (Fourth Thursday in September)
  • Restless Legs Syndrome Awareness Day - September 23
  • Teal Talk Day - September 23
  • World Maritime Day - September 23, 2021 (Last Thursday in September)
  • Festival of Latest Novelties - September 24
  • Gallbladder Good Health Day - September 24
  • German Butterbrot Day - September 24, 2021 (Last Friday in September)
  • Hug a Vegetarian Day - September 24, 2021 (Last Friday in September)
  • Kiss Day - September 24
  • Lash Stylists Day - September 24
  • Love Note Day - September 24, 2021 (Fourth Friday in September)
  • National Bluebird of Happiness Day - September 24
  • National Brave Day - September 24, 2021 (Fourth Friday in September)
  • National Cherries Jubilee Day - September 24
  • National Familiar Hypercholesterolemia Day - September 24
  • National Gay Men's HIV/AIDS Awareness Day - September 24, 2021 (Last Friday in September)
  • National Horchata Day - September 24
  • National Punctuation Day - September 24
  • Native American Day - September 24, 2021 (Fourth Friday in September)
  • Save the Koala Day - September 24, 2021 (Last Friday in September)
  • Schwenkfelder Thanksgiving - September 24
  • Sport Purple for Platelets Day - September 24, 2021 (Last Friday in September)
  • Binge Day - September 25 
  • Comic Book Day - September 25
  • Crab Meat Newburg Day - September 25
  • Family Health and Fitness Day USA - September 25, 2021 (Last Saturday in September) and also on June 12, 2021
  • Fish Amnesty Day - September 25, 2021 (Fourth Saturday in September)
  • International Lace Day - September 25, 2021 (Last Saturday in September)
  • International Rabbit Day - September 25, 2021 (Fourth Saturday or Sunday in September)
  • Kids Day - September 25, 2021 (Kiwanis Clubs) (Fourth Saturday in September)
  • Math Story Telling Day - September 25
  • Museum Day - September 25, 2021 (Fourth Saturday in September)
  • National Bakery Day - September 25
  • National Cooking Day - September 25
  • National Food Service Employees Day - September 25
  • National Ghost Hunting Day - September 25, 2021 (Last Saturday in September)
  • National Hunting and Fishing Day - September 25, 2021 (Fourth Saturday in September)
  • National Lobster Day - September 25
  • National One-Hit Wonder Day - September 25
  • National Psychotherapy Day - September 25
  • National Public Lands Day - September 25, 2021 (Last Saturday in September)
  • National Research Administrators Day - September 25
  • National Seat Check Saturday - September 25, 2021 (Fourth Saturday in September)
  • National Singles Day - September 25, 2021 (Fourth Saturday in September)
  • National Tune Up Day - September 25
  • National Wildlife Ecology Day - September 25, 2021 (Fourth Saturday in September)
  • Nickelodeon's Worldwide Day of Play - September 25, 2021 (Last Saturday in September)
  • R.E.A.D. in America Day - September 25, 2021 (Fourth Saturday in September)
  • Save Your Photo's Day - September 25, 2021 (Last Saturday in September)
  • World Ataxia Awareness Day - September 25
  • World Dream Day - September 25
  • World Pharmacists Day - September 25
  • Compliance Officer Day - September 26
  • Daughter's Day - September 26, 2021 (Fourth Sunday in September)
  • European Day of Languages - September 26
  • Gold Star Mother's Day - September 26, 2021 (Last Sunday in September)
  • Human Resource Professional Day - September 26
  • International Day for the Total Elimination of Nuclear Weapons - September 26
  • International Day of the Deaf - September 26, 2021 (Last Sunday in September)
  • Johnny Appleseed Day - September 26
  • Lumberjack Day - September 26
  • Mesothelioma Awareness Day - September 26
  • National Better Breakfast Day - September 26
  • National Dumpling Day - September 26
  • National Pancake Day - September 26
  • Priesthood Sunday - September 26, 2021 (Last Sunday in September)
  • Record Store Day - August 29, September 26, and October 24
  • Shamu the Whale Day - September 26
  • Situational Awareness Day - September 26
  • World Contraception Day - September 26
  • World Rivers Day - September 26, 2021 (Last Sunday in September)
  • Ancestor Appreciation Day - September 27
  • Crush a Can Day - September 27
  • Family Day - A Day to Eat Dinner With Your Kids - September 27, 2021 (Fourth Monday in September)
  • Family Day - Be Involved. Stay Involved. - September 27, 2021 (Fourth Monday in September)
  • Google's Birthday - September 27
  • Morning Show Hosts Day - September 27
  • National Chocolate Milk Day - September 27
  • National Corned Beef Hash Day - September 27
  • National Gay Men's HIV/AIDS Awareness Day - September 27
  • World Tourism Day - September 27
  • Drink Beer Day - September 28
  • Fish Tank Floorshow Night - September 28
  • Freedom From Hunger Day - September 28
  • Gold Lining Day - September 28
  • International Right to Know Day - September 28
  • National Good Neighbor Day - September 28
  • National Voter Registration Day - September 28, 2021
  • National Woman Road Warrior Day - September 28, 2021 (Fourth Tuesday in September)
  • Read a Child a Book You Like Day - September 28
  • Strawberry Cream Pie Day - September 28
  • World Rabies Day - September 28
  • Banned Websites Awareness Day - September 29, 2021 (Last Wednesday in September)
  • Broadway Musicals Day - September 29
  • Confucius Day - September 29
  • Happy Goose Day - September 29
  • International Coffee Day - September 29
  • Inventors Day - September 29
  • MAGS Day - September 29
  • Michaelmas - September 29
  • Mutation Day - September 29 (Teenage Mutant Ninja Turtles)
  • National Attend Your Grandchild's Birthday Day - September 29
  • National Biscotti Day - September 29
  • National Coffee Day - September 29
  • National Mocha Day - September 29
  • National Poisoned Blackberries Day - September 29
  • National Women's Health & Fitness Day - September 29, 2021 (Last Wednesday in September)
  • VFW Day - September 29
  • World Heart Day - September 29 
  • World School Milk Day - September 29, 2021 (Last Wednesday in September)
  • Ask a Stupid Question Day - September 30, 2021 (Last School Day of September)
  • Blasphemy Day - September 30
  • Chewing Gum Day - September 30
  • Extra Virgin Olive Oil Day - September 30
  • International Podcast Day - September 30
  • International Translation Day - September 30
  • National Hot Mulled Cider Day - September 30
  • National Love People Day - September 30
  • National Microcephaly Awareness Day - September 30
  • National Mud Pack Day - September 30
  • National Mulled Cider Day - September 30
  • National PrepareAthon Day - April 30 and September 30
  • Orange Shirt Day - September 30
  • The Time For Yoga - September 30
  • Thunderbirds Day - September 30


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September Daily Holidays Detail

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