Autumn Start Date 2024. Here is what you need to know: From this point on, daylight in the northern hemisphere will gradually grow shorter until the winter solstice, which occurs on dec.
All of your autumn questions are answered here including the first day of fall 2024, when the fall equinox takes place and what the fall equinox actually is. Because of these two factors, the date when day and night are exactly equal in the uk is called the equilux, which occurs a few days after the autumn equinox.