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San Diego's Weather Forecast for September 20, 2022: Cooler end to summer, warmer start to fall

Posted at 8:15 AM, Sep 20, 2022
and last updated 2022-09-20 19:46:01-04

A pleasant end to summer with temperatures trending near to 5 degrees below average. Patchy morning clouds will mix out quickly to sunshine each day.

The center of a low pressure system sitting off the coast of Northern California will bring showers to the northern half of the state while cooler and drier air will blanket the southern half.

Gusty westerly winds pick up across the county each afternoon through Wednesday with gusts of 15 to 25mph for the coast and valleys while the mountains and deserts will see 25 to 40mph gusts.

This pattern of cool mornings and fair afternoons sticks around through Thursday before a slight warm-up begins Friday with greater warming into early next week as a ridge of high pressure builds over the west. Temperatures will be 5 to 10 degrees warmer this weekend when we'll be closer to 80 at the coast with 90s inland.

Fall is just around the corner with the fall equinox happening Thursday at 6:04pm! Ironically temperatures will be warming up as the new season begins making it feel like summer isn't over.

Wednesday's Highs:
Coast: 73-78°
Inland: 79-85°
Mountains: 72-84°
Deserts: 95-100°

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