When Is The 1st Day Of Fall 2024 Uk. Tue, september 17, 2024, 3:17 pm edt ยท 1 min read. Each season brings different weather, hours of light, and plant/animal behaviors.
By the meteorological calendar, the first day of autumn is always 1 september; The seasons are defined as spring (march, april, may), summer (june, july, august), autumn.