First Day Of 2024 Fall. First day of fall in 2024 is on sunday, the 22nd of september (22/9/2024). The first day of fall this year, also known as the autumnal equinox is sunday, sept.

Seasons divide the year into four distinct periods of time named spring, summer, autumn/fall, and winter. In 2024, the first day of fall, also known as the autumnal equinox, is sunday, sept.