What Months Are The Fall • Quick
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Fall (also called autumn) is the season between summer and winter. The exact months considered "fall" depend on whether you use the astronomical or meteorological definition and on the hemisphere.
Fall runs from March through May . This includes Australia, New Zealand, South Africa, and South America. Astronomical vs. Meteorological Fall
This is the older term, tracking back to the Latin word autumnus . It became popular in the English language around the 14th century. It remains the preferred term in British English. what months are the fall
The exact date of the equinox varies slightly year to year because the Earth’s orbital year isn’t exactly 365 days—it’s about 365.2422 days. Leap years help correct this, but small shifts remain. The equinox can occur on September 21, 22, 23, or even 24 (though 24 is extremely rare). Most often, it falls on the 22nd or 23rd.
Regions near the equator (like parts of South America, Africa, and Southeast Asia) do not experience "fall." Instead, they cycle between wet and dry seasons, with temperatures remaining relatively constant year-round.
Temperatures drop significantly, bringing crisp mornings and cool nights. To help tailor this information, let me know
Trees stop producing green chlorophyll, revealing underlying carotenoid and anthocyanin pigments.
Trees lose most of their leaves, leaving branches bare as nature prepares for winter dormancy. Cultural and Ecological Signs of Fall
| Aspect | Astronomical Fall | Meteorological Fall | Perceptual / Cultural Fall | | :--- | :--- | :--- | :--- | | | Late Sept to Late Dec | Sept, Oct, Nov | Sept, Oct, Nov | | Start Date | Sept 21-24 | Sept 1 | After Labor Day (US) or school starts | | End Date | Dec 20-23 | Nov 30 | Before Thanksgiving or first snow | | Based On | Earth's orbit & tilt | Annual temperature cycle | Sights, sounds, & traditions | | Key Feature | Autumnal Equinox | Consistent data months | Fall foliage & harvest holidays | Fall runs from March through May
The timing of "fall" is most visible through the trees. As the days get shorter in September and October, trees realize there isn't enough sunlight to keep up the process of photosynthesis.
In the Southern Hemisphere (Australia, South Africa, most of South America), the seasons are reversed. Therefore,
In this view, fall begins when the environment decides it has arrived.