Unlike Western countries, which use the astronomical calendar (Equinoxes and Solstices), India traditionally follows the lunar Hindu calendar and the six-season calendar ( Ritu ). However, for general weather and travel purposes, the dates differ based on which definition you use.
September 23rd is the official astronomical start of autumn in India for 2026. However, most Indians feel autumn truly "starts" the day the rain stops and the first cool breeze arrives in early October . autumn start date in india
: This period marks the withdrawal of the southwest monsoon from the northern plains . It is characterized by decreasing humidity, clearer skies, and a gradual dip in night temperatures . 2. Traditional Start Date (Late August to Mid-September) However, most Indians feel autumn truly "starts" the
The India Meteorological Department (IMD) officially classifies the period from October 1 to November 30 as the "Post-Monsoon" or "Retreating Monsoon" season. Unlike Western countries
There are three main ways to pinpoint when autumn begins in India: