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 …

Autumn or Fall is the third season of the year that arrives after summer and continues until winter. The season is marked by shorter days, lower temperatures, and falling leaves.

AUTUMN definition: 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.

The Seasons Calculator shows the times and dates of Vernal (Spring) & Autumnal (Fall) equinoxes and Summer and Winter solstices all over the world.

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

Denver has one of the longest periods of fall colors of any city in the country. That's because there are five different climate zones within a two-hour drive of downtown Denver. Pick your elevation and you …

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 …

Your guide to the fall season in Denver and Colorado: fall colors, festivals, hikes, events and more, from FOX31 KDVR.