National POW/MIA Recognition Day is an annual observance in the United States dedicated to honoring and remembering the sacrifices of American service members who were prisoners of war (POWs) and those who are still missing in action (MIA). This day serves as a reminder of the nation’s commitment to accounting for every service member who...
National Ceiling Fan Day falls on Friday, 18 September 2026. It is a light-hearted annual observance that celebrates the humble ceiling fan while encouraging people to think about energy use and the cost of cooling their homes. Created by the ceiling fan manufacturer Fanimation, the day champions fans as a simple, low-cost way to stay...
National Cheeseburger Day takes place every year on 18 September, and in 2026 it falls on a Friday. The day celebrates one of the most beloved foods in American culture: the humble cheeseburger, a stack of grilled beef and melted cheese that has become a global favourite. It is a light-hearted food holiday marked by...
National Day of Civic Hacking takes place on Friday, 18 September 2026. It is a nationwide day of action that brings together software developers, designers, data analysts, community organisers, and everyday residents to use technology and creativity to tackle local problems and strengthen their communities. What is National Day of Civic Hacking? National Day of...
National Cat DNA Day takes place on Saturday, 19 September 2026. The day celebrates the science of feline genetics and encourages cat owners to learn more about their pet's breed mix, health risks and unique traits. It was created in 2020 by Basepaws, a feline genetics company that produced the first at-home comprehensive cat DNA...
National Sew a Jelly Roll Day is an annual celebration for quilters and sewists, dedicated to one of quilting's most popular precut bundles: the jelly roll. It falls on the third Saturday of September each year, which in 2026 means Saturday, 19 September. The day encourages makers of every skill level to open up a...
Big Whopper Liar Day is a light-hearted celebration of the tall tale, observed each year on the third Saturday of September. In 2026 it falls on Saturday, 19 September. The day invites people to spin the most outrageous, far-fetched and gloriously unbelievable stories they can dream up, all in the name of fun. It is...
National Boys and Girls Club Day for Kids takes place on Saturday, 19 September 2026. Held on the third Saturday of September each year, this annual observance in the United States celebrates the work of Boys & Girls Clubs and encourages communities to support the young people who depend on them. It is a day...
National AKC Responsible Dog Ownership Day takes place on Saturday, 19 September 2026. Organised by the American Kennel Club (AKC), the day encourages dog owners to reflect on the commitments they make to their pets and to learn how to care for them responsibly. It is observed on the third Saturday of September each year,...
National Crime and Intelligence Analyst Appreciation Day takes place on Sunday, 20 September 2026. It recognises the crime analysts and intelligence analysts whose research, data work, and pattern analysis support police investigations and public safety. The day exists to thank a profession that usually works out of the public eye. What is National Crime and...
National String Cheese Day is celebrated every year on 20 September, and in 2026 it falls on Sunday, 20 September. The day honours one of America's most popular snack foods: the peelable, portable mozzarella stick found in lunchboxes, fridges, and supermarket chiller aisles across the country. It is a light-hearted food holiday that invites cheese...
National Queso Day falls on Sunday, 20 September 2026. It is an American food holiday celebrating queso, the molten, creamy cheese dip that anchors so many Tex-Mex meals. The day is an open invitation to gather friends, warm up a pot of cheese, grab a bag of tortilla chips, and dig in. How to Celebrate...
National Fried Rice Day takes place on Sunday, 20 September 2026, celebrating one of the world's most adaptable and widely loved dishes. The day was created by the Japanese teppanyaki restaurant chain Benihana in 2018 and gives home cooks, restaurants, and fried rice fans a reason to fire up the wok and enjoy a bowl...
National Garage Condo Day takes place every year on 21 September, falling on a Monday in 2026. The observance celebrates garage condominiums, privately owned garage units that give car collectors, hobbyists and small-business owners a dedicated space of their own. It was founded in 2020 by Garage Condos, L.L.C. to recognise the role these spaces...
National Cat & Dog Gut Health Awareness Day takes place on 21 September each year and aims to raise awareness about the importance of gut health for pets. The day was created in 2022 by AnimalBiome, a pet microbiome company, to help cat and dog owners understand how a healthy gut underpins their animal's overall...
Falls Prevention Awareness Day takes place on Tuesday, 22 September 2026, marking the first day of autumn. Led by the National Council on Aging (NCOA), the day raises awareness of the risk that falls pose to older adults and promotes the practical steps that can prevent them. It anchors a wider observance, Falls Prevention Awareness...
National Flaunt Your Favorite Beach Towel Day takes place on Tuesday, 22 September 2026. It is a light-hearted celebration of the humble beach towel as a piece of personal style, encouraging people to proudly show off their brightest, boldest and most beloved towels. Falling just after the end of the northern summer, it is a...
National Legwear Day takes place on Tuesday, 22 September 2026, marking an annual celebration of socks, tights, leggings, stockings, anklets and sheers. Founded by American manufacturer HanesBrands in 2017, the day invites people across the United States and beyond to treat their legwear as a form of self-expression and to show off their boldest, brightest...
National Centenarian's Day takes place every year on 22 September, honouring people who have reached the age of 100 or more. In 2026 it falls on Tuesday, 22 September. The day recognises the lives, wisdom, and contributions of centenarians, and encourages families and communities to celebrate longevity and the stories that come with a full...
National Great American Pot Pie Day is celebrated every year on 23 September, falling on a Wednesday in 2026. The day honours one of the most comforting dishes in American cooking: the pot pie, a flaky pastry case filled with savoury meat, vegetables and gravy. It was created by the frozen food and restaurant brand...
National AFM Day takes place on Wednesday, 23 September 2026. The day raises awareness of acute flaccid myelitis, a rare but serious neurological condition that affects the spinal cord and can cause sudden muscle weakness, most often in children. It encourages education, supports affected families, and promotes funding for research into a condition that still...
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