What Is The First Day Of Autumn In 2024 In India. So as the northern hemisphere of earth begins to tilt away from the star, it means fall/autumn will begin on sunday, september 22. The autumnal equinox on september 22, 2024, represents a time of balance with equal day and night.

The seasons are defined as spring (march, april, may), summer (june, july, august), autumn. When is the first day of fall?