What is known as 'October heat'?

The months of October and November mark the shift from the hot-rainy season to the dry winter climate. Clear skies and a rise in temperature signal the end of the monsoon. While the days are hot, the nights are chilly and delightful. The ground is still wet. The weather gets unpleasant during the day due to high temperatures and humidity. This is usually referred to as 'October heat.'