Beginning Of Fall 2024 Calendar. On that day, the autumnal equinox will occur, marking the beginning of fall. The first day of fall is on sunday, september 22, 2024.

Autumn 2024 starts on sunday, 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. First day of fall in 2024 is on sunday, the 22nd of september (22/9/2024).