Fall 2024 Usa. In 2024, the autumnal (fall) equinox arrives on sunday, september 22, marking the official first day of fall. This is when wide swaths of the northeast, midwest, and western states are aglow with bright fall foliage, and more than 80% of travelers make their fall foliage.
On that day, the autumnal equinox will occur, marking the beginning of fall. Here are the equinox and solstice datesโplus, answers to common questions about the.