Last Day Of Summer 2024 Usa Calendar. What determines the last day of summer? Untied states 2024 calendar online and printable for year 2024 with holidays, observances and full moons.

This year the summer will start on thursday june 20, 2024 (day of the summer solstice) and will end on sunday september 22, 2024 with the autumnal equinox. Andreas jones // getty images over in pawhuska, oklahoma , it may feel like the end of summer when the weather starts to get a bit damper and evenings.