California (MD)
September
Weather in California, Maryland for September 2026
Your guide to California weather in September - trends and predictions
So far, September 2026 in California shows a warmer trend than usual by 3.1 °F.
The forecast for the next days in California predicts temperatures to be around 22 °F, close to the historical average.
In general, the average temperature in California at the beginning of September is 28.7 °F. As the month progressed, temperatures tended to significantly cool down, reaching an average of 21.3 °F by the end of September.
California experiences moderate rainfall in September, with an average of 9 rainy days and a total precipitation of 87.3 mm.
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Temperatures
Rain 🌧️
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21
Dry days
9
Rainy days
0
Snow days
24°/19°
Temperatures
20 km/h
Avg max wind
79 %
Avg humidity
California Weather September
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Temperatures trend during September in California
See the weather trend as well as the moving average line
September weather in California day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| Sept. 1 |  Partly cloudy | 30° /20° | 0 mm | 8 | |
| Sept. 2 |  Sunny | 29° /20° | 0 mm | 8 | |
| Sept. 3 | Partly cloudy | 31° /20° | 0 mm | 8 | |
| Sept. 4 | Partly cloudy | 30° /21° | 11.2 mm | 8 | |
| Sept. 5 |  Moderate rain at times | 28° /21° | 1.9 mm | 6 | |
| Sept. 6 | Partly cloudy | 28° /20° | 6.3 mm | 8 | |
| Sept. 7 |  Overcast | 25° /17° | 2.2 mm | 7 | |
| Sept. 8 | Sunny | 27° /17° | 0 mm | 7 | |
| Sept. 9 | Overcast | 27° /18° | 0 mm | 5 | |
| Sept. 10 | Overcast | 27° /21° | 0.1 mm | 6 | |
| Sept. 11 |  Cloudy | 26° /20° | 0.6 mm | 5 | |
| Sept. 12 | Partly cloudy | 26° /19° | 3.3 mm | 5 | |
| Sept. 13 |  Mist | 26° /20° | 5.2 mm | 4 | |
| Sept. 14 | Mist | 26° /19° | 0.1 mm | 7 | |
| Sept. 15 | Partly cloudy | 25° /17° | 0 mm | 7 | |
| Sept. 16 | Moderate or heavy rain shower | 24° /16° | 6.5 mm | 6 | |
| Sept. 17 | Overcast | 25° /18° | 3.9 mm | 6 | |
| Sept. 18 |  Moderate rain | 27° /20° | 7.1 mm | 5 | |
| Sept. 19 | Sunny | 27° /19° | 0.4 mm | 6 | |
| Sept. 20 | Overcast | 30° /21° | 13 mm | 7 | |
| Sept. 21 |  Patchy rain possible | 24° /19° | 1.6 mm | 2.6 | |
| Sept. 22 | Light rain shower | 21° /16° | 15.8 mm | 1.9 | |
| Sept. 23 | Light rain shower | 17° /15° | 5.8 mm | 1 | |
| Sept. 24 | Patchy rain possible | 17° /11° | 2.2 mm | 4 | |
| Sept. 25 | Overcast | 20° /10° | 0 mm | 6 | |
| Sept. 26 | Overcast | 23° /10° | 0 mm | 6 | |
| Sept. 27 | Sunny | 20° /12° | 0 mm | 5 | |
| Sept. 28 | Overcast | 22° /16° | 0 mm | 6 | |
| Sept. 29 | Overcast | 24° /16° | 0 mm | 5 | |
| Sept. 30 | Sunny | 23° /13° | 0 mm | 6 | |
| Next | |||||
Important Notice
Our weather forecast for California in September is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the California forecast closer to your planned date for the most up-to-date weather information.
Change Month
California in September - FAQ
What are the expected maximum and minimum temperatures in California during September?
During September, expect a variety of temperatures with highs around 24° and lows near 19°, suitable for diverse activities and preferences.
How much rainfall should be expected in California during September?
Moderate rainfall is anticipated in California during September, with a total of 87.3 mm spread over approximately 9 days. Considering plans for rainy days is advisable.
What are the typical wind conditions in California during September?
The average wind speed in California during September is 20 km/h, suggesting breezy to windy conditions, depending on your activities.
September rainfall patterns in California
Explore the daily rainfall trends and prepare for Californias September weather 💧
Typically, California has 9 rainy days in September with a total of 87.3 mm of rainfall.
UV exposure in California during September
Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
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