The autumnal or fall equinox arrives on Monday, September 22, 2025, at 2:19 P.M. EDT, bringing with it the sound of dead leaves, the rich rot of pumpkin spice and the distant echo of frost.

What is the autumn equinox?

An equinox occurs when the sun crosses the equator. The term combines the Latin word aequi, meaning “equal,” with nox, meaning “night,” as on this day of days, the hours of light and darkness are equal.

Astrologically speaking, the fall equinox ushers in the people-pleasing, balance-seeking, beauty-venerating energy of Libra season

When is the first day of fall? 14

This year, the first day of fall falls on September 22, 2025.

Equinox Fall 2025

“The shift from summer to autumn is always a jarring experience for those sensitive to change,” astrologer Babs Cheung

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