When is September Equinox 2026?

Tuesday, September 22, 2026

  • Season

Astronomical event: there are no official closures; observances are informal.

329 Days To September Equinox

See countdown

Upcoming September Equinox Dates

Year Date Day Notes
2026 September 22, 2026 Tuesday
2027 September 23, 2027 Thursday
2028 September 22, 2028 Friday
2029 September 22, 2029 Saturday
2030 September 22, 2030 Sunday
Share Calendar

Share this calendar on social media:

Use this code to link to this page:

Get a Monthly Reminder

We can send you a reminder to print a calendar at the beginning of each month. Just let us know the email address where you'd like to receive it!

Just one more thing.

I sent you a message to double-check that I got your email address correctly. If you could just open it up and click on the confirmation link you can start getting the reminders next month.