Autumn 2024 Months And. 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. Autumn equinox 2024 (beginning of astronomical autumn) on the day of the autumn (september) equinox, the sun, moving along the ecliptic, crosses the celestial equator,.

In the southern hemisphere, it will occur on march 20, 2024, at 03:07. The farmer’s almanac predicts flannel shirts and umbrellas are in.