When Is The 1st Day Of Fall 2024. When is the first day of fall in 2024? The first day of fall in 2024 arrives with the fall equinox on sunday, september 22, 2024, at 8:44 a.m.
Here is a basic explanation of how astronomers and meteorologists define seasons differently: You’ll be thrilled to know that the 1st day of fall falls on september 22, 2024.