Dec 9, 2025 · In 2026, the autumnal (fall) equinox arrives on Tuesday, September 22. Here's everything you should know about the first day of fall—plus our favorite fall facts, folklore, …

Sep 22, 2025 · While many consider the return of pumpkin spice lattes to menus as the official start of fall, that honor actually belongs to the day of the autumnal equinox, according to NASA.

Sep 10, 2025 · On Monday, Sept. 22, day and night will be nearly equal in length as Earth's axis is side-on to the sun, officially beginning autumn in the Northern Hemisphere.

Sep 8, 2025 · The autumnal equinox will fall on Monday, Sept. 22, in the Northern Hemisphere, according to The Old Farmer's Almanac. It will occur at 2:19 P.M. ET and will occur at the …

Astronomical fall begins on the day of the equinox. The name derives from Latin and means equal night, giving the impression that both day and night are exactly 12 hours long.

Jun 2, 2025 · When does it usually occur, and what causes the shift from summer to fall anyway? Turns out, there’s plenty of interesting information about the first day of fall and the autumnal …

Sep 22, 2025 · In mid-September each year, we greet the fall season with the arrival of the fall equinox (otherwise known as the autumnal equinox). This is the moment when the Sun …

Sep 20, 2025 · The Fall Equinox is an astronomical prediction of when the sun will cross the equator, and that tends to occur between September 22 and September 23 on the traditional …

Aug 8, 2025 · But when is the first day of fall actually, and how is it determined? Cooler weather and changing leaves aside, astronomy—the autumn equinox, to be specific—tells us when …

Aug 5, 2025 · The first day of fall typically falls within a narrow window, usually September 22 or 23. Occasionally, it might be as early as September 21 or as late as September 24.