Days Until First Day of Fall (Autumn Equinox) 2026
First Day of Fall (Autumn Equinox) 2026 falls on Tuesday, September 22, 2026.
Time & Working Days Breakdown
All 24-hour periods
Monday through Friday
Saturdays & Sundays
| Metric | Value |
|---|---|
| Target Date | 2026-09-22 (Tuesday) |
| Weeks & Days | 4 weeks and 0 days |
| Total Hours | approx. 672 hours |
| Percentage of a Year | 7.7% of a standard year |
| Day of the Week | Tuesday |
First Day of Fall (Autumn Equinox) Dates: 5-Year Schedule (2024â2028)
Compare the date and day of the week for First Day of Fall (Autumn Equinox) across recent and upcoming calendar years:
| Year | Date | Day of Week | Status |
|---|---|---|---|
| 2024 | 2024-09-22 | Sunday | Countdown â |
| 2025 | 2025-09-22 | Monday | Countdown â |
| 2026 Current | 2026-09-22 | Tuesday | Viewing |
| 2027 | 2027-09-23 | Thursday | Countdown â |
| 2028 | 2028-09-22 | Friday | Countdown â |
About First Day of Fall (Autumn Equinox) 2026
The Autumnal Equinox marks the official astronomical beginning of fall in the Northern Hemisphere. On this day, the sun crosses the celestial equator going south, producing nearly equal amounts of day and night across the globe.
As the Earth continues its orbit, temperatures cool, foliage transforms into rich gold, red, and amber hues, and harvest festivals begin. Fall traditions include apple picking, pumpkin patches, harvest fairs, and cozy seasonal recipes.
In 2026, the first day of fall arrives on Tuesday, September 22. Track the countdown to plan your autumn foliage road trips, outdoor hikes, and seasonal wardrobe transitions.
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Frequently Asked Questions
When is the first day of fall in 2026?
Astronomical autumn begins on Tuesday, September 22, 2026.
What causes the leaves to change color in fall?
As daylight decreases and temperatures cool, trees stop producing chlorophyll, unmasking natural carotenoid and anthocyanin pigments (yellows, oranges, and reds).
How does day length change after the autumn equinox?
After the equinox, nights become progressively longer than days until the winter solstice in late December.