Autumn 2025 Start Date

Autumn 2025 Start Date. In 2025, the exact time of the start of fall is at. Autumn 2025 starts on sunday, september 22nd in the northern hemisphere, with daylight time shortening and the leaves begining to fall with the.

When do the four seasons start in 2025—for spring, summer, fall, and winter? The autumnal equinox occurs in september each year, and in the northern hemisphere the date marks the end of summer and beginning of autumn.