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How Many Days Until Fall 2027?
415 days left.
Fall is on Wednesday, September 22, 2027.
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415
days
Fall
Outside
★ 4.8 · 300k+ downloads · Free iPhone app with home screen widgets.
There are 415 days until Fall 2027, which falls on Wednesday, September 22, 2027. That is 59 weeks and 2 days away, or roughly 13 months. Fall is an astronomical season that begins at a solstice or equinox, the precise moment Earth's tilt reaches a turning point.
Use the date above to set a reminder or calendar entry. If Fall has an official organizer or observing authority, check its latest information before making bookings because times, venues, and local observance details can change. You can also add a free Outside countdown widget to your iPhone home screen; it updates every day and can be shared with other people.
| Date | Wednesday, September 22, 2027 |
|---|---|
| Days remaining | 415 |
| Weeks remaining | 59 |
| Months remaining | ~13 |
Last updated August 3, 2026
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The Science Behind Fall
Seasons are driven by the tilt of Earth's axis — roughly 23.5 degrees — not by how close the planet is to the Sun. As Earth orbits, each hemisphere leans toward or away from the Sun, changing the angle of sunlight and the length of the day. The astronomical start of a season is pinned to a solstice or an equinox, the precise moment that geometry reaches a turning point.
That is why the start of Fall 2027 lands on a specific date and even a specific time, rather than the first of a month. Equinoxes bring near-equal day and night worldwide; solstices mark the longest or shortest day of the year. Knowing the exact changeover is useful for gardeners, photographers, and anyone tracking daylight hours.
Frequently Asked Questions
How many days until Fall?
There are 415 days until Fall 2027, which falls on Wednesday, September 22, 2027. That's 59 weeks, or roughly 14 months, from today.
When is Fall 2027?
Fall 2027 is on Wednesday, September 22, 2027 — 415 days from today. Add it to your calendar or set up a free countdown widget on your iPhone home screen with the Outside app.
What causes Fall to begin?
Fall begins because of the 23.5-degree tilt of Earth's axis. As the planet orbits the Sun, each hemisphere leans toward or away from it, changing sunlight and day length. The season's astronomical start is pinned to a solstice or equinox.
Is there a free Fall countdown app?
Yes. Outside is a free iPhone app with a Fall countdown widget for your home screen. It includes reminder alerts, calendar sync, and shared countdowns. Used by 300k+ people.
How long until Fall?
Fall 2027 is 59 weeks and 2 days away — roughly 14 months from now. Set a reminder so the day doesn't slip past you.
