September 2025 calendar
View the complete September 2025 calendar with weekday layout, holiday context, and week numbers. Print it, subscribe to related calendars, or switch to holidays by country.
Holidays and highlights for United States
September 2025
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September 2025
This month
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About September 2025
Month summary
September 2025 has 30 days, starts on Monday, and ends on Tuesday. It spans 5 calendar rows in this layout.
There are 22 weekdays and 8 weekend days. Quarter 3of 2025 falls in autumn for the Northern Hemisphere.
U.S. holiday outlook
U.S. federal holidays this month include Labor Day (Sep 1).
1 long weekend can be planned around observed Friday or Monday holidays.