Fall Equinox 2024 Dates And Times. Meanwhile, in the southern hemisphere, it occurs on march 20, 2025, at 09:02 gmt. The autumn equinox, or the september equinox, represents the time in the year when the position of the sun is directly above the equator.
This year, it falls on sunday, sept. In 2024, this event will occur on sunday, september 22.