Week One
- Days of Prayer and Remembrance (Friday through Sunday closest to September 11th)
- Drive Sober or Get Pulled Over
- Enthusiasm Week (International)
- Environmental Services Week
- Minimally Invasive Surgery Week
- Mushroom Days (Weekend after labor day)
- Nutrition Week (UNICEF)
- Payroll Week
- Play Days
- Popcorn Days (First Weekend after Labor Day)
- Self-University Week
- Shetland Wool Week
- Substitute Teacher Appreciation Week
- Waffle Week
Week Two
- Air Ambulance Week (International) ~ Second Full Week of September
- Assisted Living Week
- Dating and Life Coach Recognition Week
- Direct Support Professional Recognition Week
- Guitar Flat-Picking Days
- Housekeepers Week (International)
- Line Dance Week
- Suicide Prevention Week
- Truck Driver Appreciation Week
Week Three
- Balance Awareness Week
- Build a Better Image Week
- Clean Hands Week (International)
- Farm and Ranch Safety and Health Week
- Goat Days ~ Every two years on even dates (2020, 2022, 2024, etc.)(World)
- Historically Black Colleges & Universities Week
- Indoor Plant Week
- Love Your Files Week
- Mitochondrial Disease Awareness Week
- Pollution Prevention Week
- Postdoc Appreciation Week
- Prostate Cancer Awareness Week
- Rehabilitation Awareness Week
- Security Officer Appreciation Week
- Singles Week
Week Four
- Ally Week
- Ballroom Dance Week
- Banned Books Week
- Child Passenger Safety Week
- Chimney Safety Week
- Constitution Week
- Deaf Dog Awareness Week
- Dog Week
- Fall Foliage Week
- Farm Animal Awareness Week
- Hearing Aid Awareness Week (World)
- Interpreters and Translators Week
- Keep Kids Creative Week
- Reflexology Week (World)
- Remember to Register to Vote Week
- Sea Otter Awareness Week
- Tolkien Week
- Week of the Deaf (International)
- Women’s E-Commerce Days (International)
September
September Daily Holidays
September Monthly Holidays