Autumn, also known as fall in North American English, [1] is one of the four temperate seasons on Earth. Outside the tropics, autumn marks the transition from summer to winter, beginning in September …

Dec 21, 2025 · autumn, season of the year between summer and winter during which temperatures gradually decrease. It is often called fall in the United States because leaves fall from the trees at …

AUTUMN definition: the season between summer and winter; fall. In the Northern Hemisphere it is from the September equinox to the December solstice; in the Southern Hemisphere it is from the March …

In American English, autumn is referred to as the fall.

AUTUMN definition: 1. the season of the year between summer and winter, lasting from September to November north of…. Learn more.

Jul 7, 2025 · Definition 1: The third season of the year, falling between summer and winter, typically observed in the Northern Hemisphere from September to November and characterized by the …

It will begin on September 22 and last until December 21 in the Northern Hemisphere this year. In the Southern Hemisphere, it starts on March 20. Fall is a more commonly used word in the United States …

The meaning of AUTUMN is the season between summer and winter comprising in the northern hemisphere usually the months of September, October, and November or as reckoned …

Facts about autumn - fall, autumn equinox, dates and changes in weather and length of day.

Definition of autumn noun in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.