What Day Is The First Day Of Fall 2025. 22 is the first official day of the fall season โ and some years (like 2023) the date lands on sept. Below are the dates for the first day of fall in 2025 and beyond:
In 2025, the autumnal equinox falls on september 22nd, marking the official start of fall in the northern hemisphere. The first day of fall in 2025 is sunday, sept.