Days Until September 13
How many days until September 13? The countdown below runs live from today and shows the answer in days, weeks and hours, plus the weekday the next September 13 falls on. Further down: September 13 in the coming years, what is observed on the date, and countdowns to the days around it.
📅 Days until September 13
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September 13 in the coming years
| Year | Weekday | Day of year | Days left in year | ISO week |
|---|---|---|---|---|
| 2026 | Sunday | 256 of 365 | 109 | 37 |
| 2027 | Monday | 256 of 365 | 109 | 37 |
| 2028 | Wednesday | 257 of 366 | 109 | 37 |
| 2029 | Thursday | 256 of 365 | 109 | 37 |
| 2030 | Friday | 256 of 365 | 109 | 37 |
The weekday advances by one each common year and by two after a leap day, so September 13 repeats the same weekday on a 6-11-6-5-year cycle (e.g. Sunday in 2026 and again in 2032).
What is on September 13?
- No federal holiday or major US observance falls on September 13 in 2026 — a regular summer day.
- Zodiac sign: ♍ Virgo · Birthstone for September: Sapphire · Birth flower: Aster.
- Season in the Northern Hemisphere: Summer. Next September 13 is Sunday, September 13, 2026.
Days around September 13
Frequently asked questions
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