The official start of autumn in Northern Hemisphere will soon be here with the arrival of the autumnal equinox. Here’s when summer ends and fall begins.

On Sept. 22, the autumnal equinox, which signals the start of fall in the Northern Hemisphere, finally brings an end to our long, hot summer on Monday at 2:19 p.m. EDT. This happens at a precise ...

September's sweater-weather chill and the changing leaf colors are a sign that the first day of fall is here. Here's what to know about the autumnal equinox, fall foliage forecast map for 2025, and ...

The summer solstice, the longest day of the year in the Northern Hemisphere, occurs on Friday, June 20, 2025, at 10:42 p.m. ET. Meteorological summer began on June 1 and ends August 31, while ...

September: Florida is another area where temperatures are uncertain. Above-normal temperatures favored for the first half of ...

Summer Solstice 2025: The summer solstice 2025 marks the official start of summer in the Northern Hemisphere and is known as the longest day of the year. Every year, people wonder whether the summer ...