How many days until September 15?

When is September 15?

September 15 is a fixed calendar date in autumn, so it lands on a different day of the week each year. The countdown above always targets the next September 15, and rolls over to the following year the moment it passes.

Counting down to September 15

The counter shows the days left at a glance. Divide that number by seven for the number of weeks, or count in sleeps for the bedtime version.

Want it on your Home Screen? NanoCount puts a live countdown to September 15 on your widget and Lock Screen, in days, weeks or working days.

Frequently asked questions

What is the date of September 15?

September 15 falls on the same calendar date every year, in autumn.

How many weeks until September 15?

Divide the day count at the top by seven to get the number of weeks until September 15.

What day of the week is September 15?

It changes each year because September 15 is a fixed date. The countdown shows the weekday of the next one.

Does the countdown reset after September 15?

Yes. Once September 15 passes, the timer counts down to next year's September 15 automatically.

How do I put this countdown on my iPhone?

With NanoCount you can place this countdown as a widget on your Home or Lock Screen. Open the app, create the countdown, then press and hold your Home Screen to add the widget.