Last Day Of Summer 2024. Last updated 17 may 2024. Fall begins with the autumnal equinox, sunday, september 22, 2024, 8:44 a.m.
Summer 2024 was the earth’s warmest on record, according to the copernicus climate change service. Solstice—the longest day of the year in the northern hemisphere and the shortest in the southern hemisphere—will occur on thursday, june 20, at 20:50.