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Days until the September equinox in 2026
How many days until the September equinox in 2026? The date falls on a Tuesday, September 22, 2026. The counter below runs right in your browser and updates every second, with days, hours, minutes and seconds. The date is approximate: see the note under the table.
The September equinox from 2026 to 2030
| Year | Date | Weekday |
|---|---|---|
| 2026 | September 22, 2026 | Tuesday |
| 2027 | September 22, 2027 | Wednesday |
| 2028 | September 22, 2028 | Friday |
| 2029 | September 22, 2029 | Saturday |
| 2030 | September 22, 2030 | Sunday |
The table shows the conventional dates; the exact astronomical moment varies between September 21 and 24 and depends on the time zone.
The September equinox in 2026 on the calendar
September 22, 2026 is day 265 of the year and falls on a Tuesday, one bridge day away from the weekend. From there to the end of 2026 there are 100 days left. The date above is the conventional one; the exact astronomical moment varies between September 21 and 24, depending on the year and your time zone. In 2027 the reference is September 22, 2027 (a Wednesday).
Looking for another year? See days until the September equinox in 2027.
Where the September equinox comes from
The Sun's second crossing of the celestial equator in the year: spring begins in the southern hemisphere and autumn in the north. The full moon nearest to it is the Harvest Moon of North American folklore.
Last updated: · Methodology and sources