Last Day Of Fall 2024 Dates Usa. This page contains a national calendar of all 2024 federal and state holidays for the united states. 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.
The next change of season will take place on. 22 or 23, the sun’s rays shine directly over the equator.