Sept 2025 Calendar Monday Start. Labor day (september) 2025 is on monday 1st sep, 2025 (01/09/2025) in 391 days. Labor day 2025 is on monday, september 1, and in america it’s a day to celebrate the contributions of the labor movement as well as marks the end of the summer.

Free monthly calendar for 2025, september that you can customize and print on the fly, or copy over to your own word processor for further customization. September 7, 2025 calendar date and day info with us & international holidays as well as count down.