September National Weeks
- National Childhood Injury Prevention Week – September 1-7, Annually
- National Waffle Week – First Full Week in September
- National Payroll Week – Week of Labor Day
- National Assisted Living Week – Starts Grandparent’s Day
- National Compassionate Leadership Week – Second Full Week in September (beginning on a Monday) ***
- National Beauty and Barber Week – Second Full Week in September
- National Arts In Education Week – Starts the Second Sunday in September
- National Truck Driver Appreciation Week – Second Full Week
- National Suicide Prevention Week – Second Full Week
- Orchid Male Cancer Awareness Week – Changes Annually – September 12-18, 2022
- National Biscuit and Gravy Week – Second Week in September – Annually
- National Days of Prayer and Remembrance -September 8-10 – Annually
- National Nephrology Nurses Week – Second Full Week
- Line Dance Week – Starts on Second Monday through Saturday
- National Healthcare Environmental Services Week – Second Full Week
- National Historically Black Colleges & Universities Week – Changes Annually – Usually 2nd or 3rd week (September 5-11, 2021)
- National Eczema Week – Third Full Week
- Child Passenger Safety Awareness Week – Third Full Week
- National Farm Animals Awareness Week – Third Week in September
- National Farm Safety & Health Week – Third Full Week of September
- National Rehabilitation Awareness Week – Third Full Week in September
- National Singles Week -Third Full Week in September
- National Indoor Plant Week – Third Full Week of September
- National Surgical Technologists Week – Third Full Week of September
- National Security Officer Appreciation Week – Third Full Week
- National Construction Appreciation Week – Third Full Week
- National Keep Kids Creative Week – Last Week in September
- International Week of the Deaf – Last Full Week of September
- National Deaf Dog Week – Last Full Week in September
- National Chimney Safety Week – Week Before Fire Safety Week
- National Fall Foliage Week – Begins Last Sunday of September
- Active Aging Week – Week of October 1