Fall begins (Northern H.) History
Fall begins in the Northern Hemisphere when the Sun is perpendicular to the equator. This day has equal hours of day and night. The first day of Fall is also called the Autumnal Equinox. In many areas it coincides with harvests. The first day of Fall happens between each year between September 22 and 24.
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Beginning of Fall (Autumnal Equinox) Facts & Quotes
Fall begins (Northern H.) Top Events and Things to Do
Fall begins References and Related Sitesearthsky.org ESA and ESO Confirm Asteroid Will Miss Earth in September Religioustolerance.org: Fall Equinox