The season of the retreating monsoon in India typically occurs during the months of October and November.
The retreating monsoon season begins with the onset of the southwest monsoon's withdrawal [mid-September - November] and lasts until early January.
It is a three-month process that begins in October on the peninsula and ends in December on the extreme south-eastern point.
In mid-December, the southwest monsoons leave the Coromandel coast. In the second week of September, the southwest monsoons depart from Punjab.
When compared to the advancing monsoon, the retreating monsoon withdraws gradually and takes a longer time