It is called autumn. Some people refer to it as fall.
equinox
Autumn officially begins on September 21 and ends on December 21 - 3 months.
Autumn officially starts on September 22nd like everywhere in the Northern Hemisphere, but starts unofficially near the end of August.
Wednesday, September 22 at 10:09PM
Autumn
Equinox (Vernal and Autumnal)
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.
Autumn Crocus is also called Meadow saffron
The Autumnal equinox for the Northern Hemisphere officially begins on September 22, 2016.
In 2014,the fall season or autumn begins officially in the Northern Hemisphere on September 22 at approximately 10:29 P.M. EDT. This is called the autumnal equinox.
Winter typically comes after autumn, characterized by colder temperatures, snowfall in many regions, and shorter days. Winter officially begins with the winter solstice, which is around December 21st in the Northern Hemisphere.
The first day of autumn is called the autumnal equinox.