Fall 2026 Begins with Autumnal Equinox on September 22
Fall 2026 Begins with Autumnal Equinox on September 22
US · Published Sep 9, 2026
The autumnal equinox, marking the official start of fall in the Northern Hemisphere, will occur on Tuesday, September 22, 2026, at precisely 8:04 p.m.
ET.

Impact & Risks

The shift to fall brings cooler temperatures and shorter daylight hours, which may impact daily routines and outdoor activities. Residents across New York State will notice diminishing daylight, with cities experiencing around 12 hours of light on the equinox. This seasonal change can affect agriculture, energy consumption, and commuting patterns. Additionally, the transition to fall often signals the start of flu season, prompting health precautions. While the equinox itself poses no direct risks, the gradual reduction in daylight may influence mood and productivity for some individuals. [Source: Democrat and Chronicle]

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