Weather in Seal Beach, California for September 2026
Until now, September 2026 in Seal Beach has been nearly identical to the historical average, with a temperature of 25 °F (showing only a slight deviation of 0.4 °F).
The forecast for the upcoming days in Seal Beach predicts a temperature of 28.1 °F, which is slightly above the historical average.
In general, the average temperature in Seal Beach at the beginning of September is 26.7 °F. As the month progressed, temperatures tended to slightly increase, reaching an average of 27 °F by the end of September.
Precipitation in Seal Beach during September is a rare event, with an average of fewer than 2 rainy days.
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Seal Beach Weather September
Temperatures trend during September in Seal Beach
September weather in Seal Beach day by day
| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| Sept. 1 |  Sunny | 25° /19° | 0 mm | 8 | |
| Sept. 2 | Sunny | 27° /20° | 0 mm | 8 | |
| Sept. 3 | Sunny | 28° /21° | 0 mm | 8 | |
| Sept. 4 | Sunny | 25° /20° | 0 mm | 8 | |
| Sept. 5 | Sunny | 27° /19° | 0 mm | 8 | |
| Sept. 6 | Sunny | 27° /21° | 2.2 mm | 5 | |
| Sept. 7 | Sunny | 28° /20° | 0 mm | 7 | |
| Sept. 8 | Sunny | 29° /21° | 0.2 mm | 8 | |
| Sept. 9 | Sunny | 29° /21° | 0 mm | 7 | |
| Sept. 10 |  Overcast | 25° /20° | 0 mm | 7 | |
| Sept. 11 | Overcast | 23° /19° | 0 mm | 7 | |
| Sept. 12 | Overcast | 23° /19° | 0 mm | 5 | |
| Sept. 13 |  Partly cloudy | 23° /19° | 0 mm | 7 | |
| Sept. 14 | Partly cloudy | 24° /19° | 0 mm | 7 | |
| Sept. 15 |  Cloudy | 24° /18° | 0 mm | 7 | |
| Sept. 16 |  Patchy rain possible | 26° /19° | 0.1 mm | 7 | |
| Sept. 17 | Partly cloudy | 23° /18° | 0.5 mm | 6 | |
| Sept. 18 |  Mist | 23° /18° | 5.2 mm | 7 | |
| Sept. 19 | Cloudy | 23° /18° | 0 mm | 6 | |
| Sept. 20 | Mist | 22° /17° | 0.1 mm | 4 | |
| Sept. 21 | Sunny | 24° /20° | 0.1 mm | 6.8 | |
| Sept. 22 | Sunny | 23° /20° | 0 mm | 7.4 | |
| Sept. 23 | Sunny | 26° /21° | 0 mm | 7.3 | |
| Sept. 24 | Sunny | 26° /22° | 0 mm | 7.3 | |
| Sept. 25 | Overcast | 27° /22° | 0 mm | 7.4 | |
| Sept. 26 | Overcast | 28° /23° | 0 mm | 7 | |
| Sept. 27 | Sunny | 27° /22° | 0 mm | 7 | |
| Sept. 28 | Sunny | 26° /21° | 0 mm | 7 | |
| Sept. 29 | Sunny | 27° /22° | 0 mm | 7 | |
| Sept. 30 | Sunny | 28° /22° | 0 mm | 7 | |
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Seal Beach in September - FAQ
What are the expected maximum and minimum temperatures in Seal Beach during September?
How much rainfall should be expected in Seal Beach during September?
What are the typical wind conditions in Seal Beach during September?
September rainfall patterns in Seal Beach
UV exposure in Seal Beach during September
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Where is Seal Beach?Get accurate weather forecasts for Seal Beach, located at latitude 33.741 and longitude -118.105. Stay updated with localized weather information tailored for Seal Beach.