When Is Last Day of Summer?
September 22
2026 (Tuesday)
The next Last Day of Summer is on Tuesday, September 22, 2026 — 182 days from today.
Countdown to Last Day of Summer
About Last Day of Summer
The last day of summer is the day before the autumnal equinox, marking the end of the warmest season.
- Country: Northern Hemisphere
- Federal holiday: No
- Next occurrence: Tuesday, September 22, 2026
- Days until next: 182
Last Day of Summer Dates (2024 – 2034)
| Year | Date | Day | Status |
|---|---|---|---|
| 2024 | September 21 | Saturday | 548 days ago |
| 2025 | September 21 | Sunday | 183 days ago |
| 2026 | September 22 | Tuesday | in 182 days |
| 2027 | September 22 | Wednesday | in 547 days |
| 2028 | September 21 | Thursday | in 912 days |
| 2029 | September 21 | Friday | in 1277 days |
| 2030 | September 21 | Saturday | in 1643 days |
| 2031 | September 22 | Monday | in 2008 days |
| 2032 | September 21 | Tuesday | in 2373 days |
| 2033 | September 21 | Wednesday | in 2738 days |
| 2034 | September 21 | Thursday | in 3104 days |
Countdown to Last Day of Summer · All Holidays
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Frequently Asked Questions
When is Last Day of Summer 2026?
Tuesday, September 22, 2026.
How many days until Last Day of Summer?
182 days.
Is Last Day of Summer a federal holiday?
No, but it is widely observed.
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