Autumn officially starts on September 22nd like everywhere in the Northern Hemisphere, but starts unofficially near the end of August.
It is called autumn. Some people refer to it as fall.
In the northern hemisphere it can be considered to be the end of summer and start of autumn, while in the southern hemisphere it can be considered to be the end of winter and start of spring.
equinox
Most of the areas of Pakistan face very severe winter. The autumn season ends by the end of February. Pakistanis celebrate going of autumn as it is the start of spring. The spring season is termed as Basant in Pakistan.
Autumn start in Romania at 1 September.
Fall starts Sept. 21st & ends Dec. 20th
Autumn Records ended in 1969.
From Autumn to Ashes ended in 2008.
Autumn officially begins on September 21 and ends on December 21 - 3 months.
Autumn is a season. If you mean which months are in Autumn, it officially starts Sept 22 and goes to Dec 21. In the US, many people consider Autumn (or Fall) From Labor Day to Thanksgiving, roughly. In Australia, Autumn is March, April and May.
This date comes at the end of Summer or the beginning of Autumn (fall). We don't formally define when seasons start and end.