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, or fall, season of the year between summer and winter during which temperatures gradually decrease. The autumn temperature transition between summer heat and …

Dec 9, 2025 · The autumnal equinox is an astronomical event that marks the start of autumn (or fall). In the Northern Hemisphere, the autumnal equinox occurs in September; in the Southern Hemisphere, …

Sep 4, 2024 · Fall and autumn are often used interchangeably to describe the third season of the year. But did you know there's a difference in their original meanings? "F all" is about leaves tumbling from...

The Equinox (Vernal & Autumnal) There are only two times of the year when the Earth's axis is tilted neither toward nor away from the sun, resulting in a "nearly" equal amount of daylight and darkness …

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 …

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

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

1. Relating to or occurring in autumn: autumn foliage; autumn harvests. 2. Grown during the season of autumn: autumn crops.

Autumn is the season between summer and winter when the weather becomes cooler and the leaves fall off the trees.