How Many Days Until September 1? Countdown
There are 1 days until September 1 on Tuesday, September 1, 2026. September 1 is the meteorological start of autumn in the Northern Hemisphere and a common US first-day-of-school date. Labor Day 2026 is Monday, September 7, so the 1st is the Tuesday before that long weekend. The timer is midnight September 1 in your timezone.
2026–2028 dates
| Year | Date |
|---|---|
| 2026 | Tuesday, September 1 |
| 2027 | Wednesday, September 1 |
| 2028 | Friday, September 1 |
Add September 1 to your calendar
How this timer counts
Use the fall page if you want the equinox. Use this page if you asked for the calendar date. “how many days until school starts” and “how many days until school” are this same September 1 morning.
Countdown to September 1
Meteorologists split seasons into three-month blocks. September–November is fall for climate stats. The September equinox (astronomical fall) is later — 22 or 23 September.
| Start of fall? | Date 2026 | Which page |
|---|---|---|
| Meteorological | Sep 1 | This timer |
| Labor Day | Sep 7 | Nearby long weekend |
| Equinox | Sep 23 | Fall page |
How many days until September 1
Many districts start school in mid-August now, so “September 1” is no longer universal. It remains a lease date, a fiscal marker for some firms, and World Letter Writing Day.
Why this countdown exists
This countdown exists because “How Many Days Until September 1” is a real remaining-days search. September 1 is the civil date people mean. They count to it for the named observance and for travel, school, and plans that share the same morning. The timer uses midnight in the timezone you pick.
Is September 1 a holiday?
Not federally. Labor Day is the first Monday.
Is September 1 the same as Labor Day?
No. Labor Day 2026 is Monday, September 7, the first Monday of the month.
Is this the first day of fall?
For climate averages, yes. For astronomy, no.