Autumn Equinox 2026

Equal day and night mark autumn's arrival

🍂September 22, 2026

Countdown to Event

The autumn equinox marks the astronomical beginning of fall in the Northern Hemisphere. Day and night are approximately equal in length.

How Many Days Until Fall Equinox?

Days Until

102

days until Fall Equinox

Weeks Until

14w 4d

weeks until Fall Equinox

Hours Until

2,428

hours until Fall Equinox

Falls On

Tuesday

Fall Equinox 2026

Season definition note

Astronomical seasons are marked by equinoxes and solstices. Meteorological seasons use fixed calendar months.

Event Progress

Upcoming
102days until start

Start Date

Sep 22

Duration

1 days

Source

Astronomy Engine v2.1.19

Last verified: April 27, 2026

Fall Equinox Countdown FAQ

How many days until Fall Equinox?

There are 102 days until Fall Equinox 2026. Mark your calendar and start your countdown!

How many weeks until Fall Equinox?

There are 14 weeks and 4 days until Fall Equinox 2026. That's approximately 3.4 months away.

What day is Fall Equinox 2026?

Fall Equinox 2026 falls on Tuesday, September 22, 2026. It's on a Tuesday.

How many hours until Fall Equinox?

There are approximately 2,428 hours until Fall Equinox 2026. Keep watching our countdown timer for the exact time remaining!

When is Fall Equinox 2026?

Fall Equinox is on Tuesday, September 22, 2026. With 102 days to go, there's still time to prepare!

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