Which Month Is Fall 2025. Autumn 2025 starts on monday, september 22nd in the northern hemisphere, with daylight time shortening and the leaves begining to fall with the changing tilt of the earth's axis. Winter starts at the moment when the sun is farthest south:

Find out the date, how long in days until and count down to till autumn (or fall) 2025 with a countdown clock. 27 rows we are currently in fall since september 22, 2024.