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, 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.
India is a massive country with varying climates. The start of autumn feels different depending on where you are: autumn start date in india
Unlike temperate regions where "fall" is marked primarily by changing leaf colors, autumn in India is defined by a shift in moisture and atmospheric pressure.
If you are planning a trip to India during autumn: India is a massive country with varying climates
The Indian Meteorological Department (IMD) officially designates four seasons, classifying autumn as the . Official Start : October 1 . Duration : October and November .
According to the Hindu calendar, India has six seasons. The season corresponding to Autumn is called . Official Start : October 1
According to the Shad Ritu (six seasons) system, autumn ( Sharad ) typically begins in mid-September and lasts until mid-November , covering the lunar months of Ashwin and Kartik.
Here is the breakdown:
: 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)
| Definition | Start Date | Key Characteristics | | :--- | :--- | :--- | | | ~Sept 23 | Festival season; moderate temperatures; clear skies. | | Astronomical | Sept 22/23 | Based on the sun's position relative to the equator. | | North India Weather | Mid-October | Monsoon withdraws; nights get cooler; Diwali season. | | Mountain Regions | Late Sept | Leaves change color; cold nights. |