September equinox - Wikipedia
The September equinox (or southward equinox) is the moment when the Sun appears to cross the celestial equator, heading southward. Because of differences between the calendar year and the tropical year , the September equinox may occur from September 21 to 24.
10 Facts About the September Equinox - timeanddate.com
September is North's fall equinox. ©iStockphoto.com/Givaga. 1. Second Equinox of the Year. The September equinox is on or around September 22, while the first equinox of the year, the March Equinox, takes place on or around March 21 every year. 2. Say Goodbye to Summer... ...in the Northern Hemisphere.
2025 September equinox: All you need to know - EarthSky
2024年11月14日 · The September equinox is a seasonal milestone in Earth’s yearly orbit around the sun. At an equinox, the sun appears directly above Earth’s equator. At the September equinox, the sun is...
When is the First Day of Fall? Autumnal Equinox 2024
2024年11月18日 · In 2024, the autumnal (fall) equinox arrives on Sunday, September 22, marking the official first day of fall. Here's everything you should know about the fall equinox—plus our favorite fall facts, folklore, photos, and more!
September Equinox: When and What Is It? - timeanddate.com
The September equinox is the moment the Sun crosses the celestial equator —an imaginary line in the sky above Earth’s equator — from north to south. This happens on September 22, 23, or 24 in most years. 10 facts about the September equinox.
Fall Equinox 2024 ‑ Date, Rituals & Meaning | HISTORY
2017年9月18日 · The 2024 fall equinox—also called the autumn equinox—takes place on Sunday, September 22, 2024. The fall equinox is not on the same day each year, though it always falls between September 21 ...
Fall equinox 2024: When it is, why it happens and what to look for
2024年9月15日 · While meteorologists like to call fall at the beginning of September, astronomical autumn starts later, on the autumnal equinox. This year, it falls on Sunday, Sept. 22 at 8:44 a.m. EDT...
September Equinox: Sun to Cross Equator This Weekend
2024年9月19日 · This is the map at the moment of the 2024 September equinox. This year, the Sun will cross the equator from north to south at 12:43 UTC on Sunday, September 22. The above image from our Day and Night World Map shows the subsolar point at this moment.
September Equinox | Night Sky Network - NASA
2021年9月22日 · September Equinox occurs this year on September 22, at 19:21 UTC (or 3:21 pm EDT/ 12:21 pmPDT). Equinox is the moment when the Sun shines directly on the Earth's equator and lights up the Northern and Southern Hemispheres equally.
SEPTEMBER EQUINOX - September 22, 2025 - National Today
The September Equinox is the astronomical phenomenon when the sun crosses the celestial equator from north to south. Read on to find out more.