How many weeks until September Equinox?

There are 15 weeks and 4 days until September Equinox.

How many hours until September Equinox?

There are approximately 2,616 hours until September Equinox.

Seasons Sep 22, 2026

How Many Days Until September Equinox?

109

Days to go

-- Days

-- Hours

-- Mins

-- Secs

There are 109 days until September Equinox, which is 15 weeks and 4 days, or approximately 2616 hours. That's 109 sleeps until Tuesday, September 22, 2026.

The September Equinox brings equal day and night, marking the start of autumn in the Northern Hemisphere 🍂☀️ Leaves begin to change, temperatures cool, and pumpkin season officially begins. Down south, it's the start of spring!

Track how many days until the September Equinox with our live countdown timer 🌍

Full Countdown When Is September Equinox?