1980 Calendar with National Holidays, Optional Days Off, and Commemorative Dates in the United States.
September 1980
| Monday | Tuesday | Wednesday | Thursday | Friday | Saturday | Sunday |
|---|---|---|---|---|---|---|
| 1245 | 2246 | 3247 | 4248 | 5249 | 6250 | 7251 |
| 8252 | 9253 | 10254 | 11255 | 12256 | 13257 | 14258 |
| 15259 | 16260 | 17261 | 18262 | 19263 | 20264 | 21265 |
| 22266 | 23267 | 24268 | 25269 | 26270 | 27271 | 28272 |
| 29273 | 30274 |
September Holidays and Commemorative Dates
- 1 - Labor Day
- 22 - Fall
Holidays and Commemorative Dates in September 1980
September 1980 observances Holiday
Optional
| Date | Day | Description |
|---|---|---|
| 1 | Mon | Labor Day |
| 1 | Mon | American Chess Day |
| 1 | Mon | Emma M Nutt Day |
| 1 | Mon | World Letter Writing Day |
| 1 | Mon | world alzheimer's month |
| 2 | Tue | Bison Ten Yell Day |
| 2 | Tue | V-J Day |
| 2 | Tue | West Indian Day Parade |
| 2 | Tue | World Coconut Day |
| 3 | Wed | National Skyscraper Day |
| 3 | Wed | Signing of the Treaty of Paris |
| 3 | Wed | Telephone Tuesday |
| 4 | Thu | National Wildlife Day |
| 4 | Thu | World Sexual Health Day |
| 5 | Fri | International Day of Charity |
| 5 | Fri | National Cheese Pizza Day |
| 6 | Sat | Fight Procrastination Day |
| 6 | Sat | National 401(k) Day |
| 6 | Sat | National Food Bank Day |
| 6 | Sat | National Lazy Mom’s Day |
| 6 | Sat | Read a Book Day |
| 7 | Sun | Ganesh Chaturthi |
| 7 | Sun | Grandparents Day |
| 7 | Sun | International Day of Clean Air for blue skies |
| 7 | Sun | National Salami Day |
| 7 | Sun | World Beard Day |
| 8 | Mon | International Literacy Day |
| 8 | Mon | National Hug Your Hound Day |
| 8 | Mon | Pardon Day |
| 8 | Mon | World Physiotherapy (PT) Day |
| 8 | Mon | Worldwide Cystic Fibrosis Day |
| 9 | Tue | California Admission Day |
| 9 | Tue | International Day to Protect Education from Attack |
| 9 | Tue | International Sudoku Day |
| 9 | Tue | National Teddy Bear Day |
| 10 | Wed | National Swap Ideas Day |
| 10 | Wed | World Suicide Prevention Day |
| 11 | Thu | National Make Your Bed Day |
| 11 | Thu | Patriot Day |
| 12 | Fri | Day of the Programmer |
| 12 | Fri | International Day for South-South Cooperation |
| 12 | Fri | National Chocolate Milkshake Day |
| 12 | Fri | National Day of Civic Hacking |
| 12 | Fri | National Day of Encouragement |
| 12 | Fri | National School Picture Day |
| 12 | Fri | National Video Games Day |
| 13 | Sat | International Chocolate Day |
| 13 | Sat | National Bald is Beautiful Day |
| 13 | Sat | National Celiac Disease Awareness Day |
| 13 | Sat | National Peanut Day |
| 13 | Sat | Positive Thinking Day |
| 13 | Sat | Roald Dahl Day |
| 13 | Sat | World Sepsis Day |
| 14 | Sun | Carl Garner Federal Lands Cleanup Day |
| 14 | Sun | National Live Creative Day |
| 14 | Sun | National Pet Memorial Day |
| 15 | Mon | Get Ready Day |
| 15 | Mon | International Day of Democracy |
| 15 | Mon | International Dot Day |
| 15 | Mon | National Hispanic Heritage Month |
| 15 | Mon | National Linguine Day |
| 15 | Mon | National Online Learning Day |
| 15 | Mon | Wife Appreciation Day (National Wife Day) |
| 15 | Mon | World Lymphoma Awareness Day |
| 16 | Tue | International Day for the Preservation of the Ozone Layer |
| 16 | Tue | National Guacamole Day |
| 16 | Tue | National Step Family Day |
| 16 | Tue | National Working Parents Day |
| 17 | Wed | Citizenship Day |
| 17 | Wed | Constitution Day |
| 17 | Wed | International Country Music Day |
| 17 | Wed | National IT Professionals Day |
| 17 | Wed | National Pet Bird Day |
| 17 | Wed | World Patient Safety Day |
| 18 | Thu | Air Force Day |
| 18 | Thu | International Equal Pay Day |
| 18 | Thu | National Cheeseburger Day |
| 18 | Thu | National First Love Day |
| 19 | Fri | Batman Day |
| 19 | Fri | National Dance Day |
| 19 | Fri | Talk Like a Pirate Day |
| 20 | Sat | National POW/MIA Recognition Day |
| 20 | Sat | National Pepperoni Pizza Day |
| 20 | Sat | National Queso Day |
| 21 | Sun | International Coastal CleanUp Day |
| 21 | Sun | International Day of Peace |
| 21 | Sun | International Eat an Apple Day |
| 21 | Sun | National Chai Day |
| 21 | Sun | National CleanUp Day |
| 21 | Sun | National Gymnastics Day |
| 21 | Sun | Oktoberfest |
| 21 | Sun | World Alzheimer’s Day |
| 21 | Sun | World Gratitude Day |
| 22 | Mon | American Business Women’s Day |
| 22 | Mon | Autumnal Equinox (Start of Fall) |
| 22 | Mon | Car Free Day |
| 22 | Mon | Fall |
| 22 | Mon | Falls Prevention Awareness Day |
| 22 | Mon | Hobbit Day |
| 22 | Mon | International Daughters Day |
| 22 | Mon | National Centenarian’s Day |
| 22 | Mon | National Elephant Appreciation Day |
| 22 | Mon | National White Chocolate Day |
| 22 | Mon | World CML (Chronic Myeloid Leukemia) Day |
| 22 | Mon | World Car-Free Day |
| 22 | Mon | World Rhino Day |
| 22 | Mon | World Rivers Day |
| 22 | Mon | World Rose Day |
| 23 | Tue | Bi Visibility Day |
| 23 | Tue | International Day of Sign Languages |
| 23 | Tue | National Family Day |
| 24 | Wed | National Brave Day |
| 24 | Wed | National Cherries Jubilee Day |
| 24 | Wed | National Punctuation Day |
| 24 | Wed | National Voter Registration Day |
| 24 | Wed | Schwenkfelder Thanksgiving |
| 24 | Wed | World Bollywood Day |
| 24 | Wed | World Gorilla Day |
| 25 | Thu | Comic Book Day |
| 25 | Thu | National Cooking Day |
| 25 | Thu | National Daughters Day |
| 25 | Thu | National Lobster Day |
| 25 | Thu | National One-Hit Wonder Day |
| 25 | Thu | National Open The Magic Day |
| 25 | Thu | World Dream Day |
| 25 | Thu | World Maritime Day |
| 26 | Fri | International Day for the Total Elimination of Nuclear Weapons |
| 26 | Fri | Johnny Appleseed Day |
| 26 | Fri | National Dumpling Day |
| 26 | Fri | World Contraception Day |
| 27 | Sat | National Crush Day |
| 27 | Sat | Native American Day (CA and NV) |
| 27 | Sat | World Tourism Day |
| 28 | Sun | Ask a Stupid Question Day |
| 28 | Sun | Gold Star Mother's Day |
| 28 | Sun | International Day for Universal Access to Information |
| 28 | Sun | International Rabbit Day |
| 28 | Sun | National Family Health & Fitness Day USA |
| 28 | Sun | National Ghost Hunting Day |
| 28 | Sun | National Hunting and Fishing Day |
| 28 | Sun | National Neighbor Day |
| 28 | Sun | National Public Lands Day |
| 28 | Sun | National Singles Day |
| 28 | Sun | National Sons Day |
| 28 | Sun | World Rabies Day |
| 29 | Mon | International Day of Awareness of Food Loss and Waste |
| 29 | Mon | International Food Loss and Waste Awareness Day |
| 29 | Mon | National Coffee Day |
| 29 | Mon | National Starbucks Day |
| 29 | Mon | Veterans of Foreign Wars (VFW) Day |
| 29 | Mon | World Heart Day |
| 30 | Tue | International Podcast Day |
| 30 | Tue | International Translation Day |
| 30 | Tue | National Day for Truth and Reconciliation |
| 30 | Tue | National Love People Day |