Autumn

Autumn, the third season of the year, between summer and winter. Astronomically, in the northern hemisphere, it begins at the autumnal equinox, when the sun enters Libra, 22d September, and ends at the winter solstice, when the sun enters Capricorn, 21st December; but popularly, in Great Britain, it comprises the three months, August, September, and October. According to Littre, it extends in France from the end of August to the first fortnight of November; according to Webster, in North America it includes the months of September, October, and November. In the southern hemisphere it corresponds in time to the northern spring.