Autumn, also known as fall in North American English, is one of the four temperate seasons.
In the Northern Hemisphere, autumn is the season between summer and winter, typically from September to November.
The term "autumn" can also refer to:
1. The period of maturity or incipient decline (e.g. "the autumn of one's life")
2. A rich, warm color palette associated with the season
3. In literature, a metaphor for transition and change