Autumn is a SEASON of the year that typically falls between summer and winter. It is characterized by cooler temperatures, shorter days, and changing colors of leaves on trees. The term 'AUTUMN' is often used to refer to this SEASON, which is also known as fall in some parts of the world. AUTUMN is a time of harvest, when many crops are gathered and stored for the winter months. It is also a time of celebration, with festivals and holidays taking place throughout the SEASON.