Fall 2025 Means In Usa. The 2025 fall equinox—also called the autumn equinox—takes place on sunday, september 22, 2025. The fall equinox and the first day of autumn arrives on sunday, september 22, 2025, at 08:44 a.m.
In 2025, the fall equinox will be sunday, september 22, according to almanac.com. The next change of season will take place on december 21, 2025 (1st day of winter).