How Many Days Until September?
This live countdown shows exactly how long until September — down to the second. The timer works out the next occurrence of September automatically, so this page is always accurate, whether you are checking months ahead or counting down the final hours.
This timer targets the upcoming September 1st and rolls over automatically after the month begins.
Snapshot at this site build (September 26, 2026): 340 days to go until September — Wednesday, September 1, 2027. The live timer above is exact to the second.
How to use
- Open this page any time — the countdown to September starts updating immediately.
- Read the big number for whole days remaining, or watch the timer for days, hours, minutes and seconds.
- Check the facts panel below the timer for the exact date, day of the week, and weeks remaining.
Frequently asked questions
How many days until September?
The timer at the top of this page shows the exact number of days until September, calculated from your device's clock right now. It updates every second, so the answer you see is always current.
What day of the week is September?
The countdown's facts panel shows the day of the week for the upcoming date, so you can plan time off, travel or celebrations around it.
How many weeks until September?
Divide the days shown by 7 — or just read the weeks figure directly under the timer. We show days, weeks, hours and minutes so you can plan at whatever scale you need.
Does the countdown work for September next year too?
Yes. Once the date passes, the timer automatically rolls over to next year's date, so this page is a permanent, always-correct countdown.