fall equinoxes
September's equal days
The fall equinox occurs around September 23.
At this time, the sun is exactly over the Earth’s equator, and the length of day and night are the same everywhere.
The fall equinox marks the beginning of fall in the northern hemisphere.
- autumnsSeasons before winters
- autumn colorsSeasonal leaf pigmentation
- seasonsYear's four divisions
- daylightSun's natural glow
- shorter daysReduced sunlit hours
changing seasons · balance · astronomy · equalities · equators · equilibria · harvest festivals · harvest moon · crop harvesting · apple picking · pumpkin spice · Thanksgiving · Sukkot · frost formation · first frost · celestial sphere · seasonal winds · Oktoberfest
astronomical event type
fall equinoxessummer solstices
Year's maximum daylight occasions
winter solstices · solstices · midsummer · perihelion · midwinter
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