What Is Going On September 1st 2025. September 1st 2025 will be on a monday falling in week 36 of 2025 live countdown to september 1st 2025 View here the holidays in the united states in 2025, including 2025 holidays and also every other holiday in the usa.
This month will begin on monday, september 1 st with a phase that will be illuminated. This is our day guide for monday september 1st 2025 which shows you at a glance what’s happening on this day around the world.