Santa Monica (CA)
September
Weather in Santa Monica, California for September 2027
Your guide to Santa Monica weather in September - trends and predictions
In general, the average temperature in Santa Monica at the beginning of September is 25.4 °F. As the month progressed, temperatures tended to moderately fall, reaching an average of 24.9 °F by the end of September.
With an average of 3 rainy days, Santa Monica experiences minimal rainfall in September.
Is September a good time to visit Santa Monica? check out the best time to travel to Santa Monica page.
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Temperatures
Rain 🌧️
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27
Dry days
3
Rainy days
0
Snow days
25°/19°
Temperatures
15 km/h
Avg max wind
70 %
Avg humidity
Santa Monica Weather September
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Temperatures trend during September in Santa Monica
See the weather trend as well as the moving average line
September weather in Santa Monica day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| Sept. 1 |  Overcast | 24° /15° | 0 mm | 10 | |
| Sept. 2 |  Partly cloudy | 24° /15° | 0 mm | 10 | |
| Sept. 3 | Overcast | 24° /17° | 0 mm | 10 | |
| Sept. 4 | Partly cloudy | 25° /16° | 0 mm | 10 | |
| Sept. 5 | Partly cloudy | 28° /17° | 0 mm | 10 | |
| Sept. 6 |  Moderate or heavy rain shower | 24° /20° | 41.1 mm | 2 | |
| Sept. 7 |  Heavy rain at times | 29° /20° | 4.5 mm | 4 | |
| Sept. 8 | Moderate or heavy rain shower | 31° /22° | 7.4 mm | 9 | |
| Sept. 9 | Overcast | 32° /23° | 0 mm | 6 | |
| Sept. 10 |  Sunny | 32° /23° | 0 mm | 9 | |
| Sept. 11 | Partly cloudy | 29° /22° | 0 mm | 9 | |
| Sept. 12 | Overcast | 28° /21° | 0 mm | 9 | |
| Sept. 13 | Overcast | 24° /20° | 0 mm | 9 | |
| Sept. 14 | Partly cloudy | 25° /20° | 0 mm | 9 | |
| Sept. 15 | Overcast | 23° /19° | 0 mm | 9 | |
| Sept. 16 | Overcast | 23° /19° | 0 mm | 7 | |
| Sept. 17 | Overcast | 22° /19° | 0 mm | 8 | |
| Sept. 18 | Sunny | 22° /19° | 0 mm | 8 | |
| Sept. 19 | Partly cloudy | 23° /19° | 0 mm | 8 | |
| Sept. 20 | Overcast | 22° /19° | 0 mm | 1 | |
| Sept. 21 | Overcast | 22° /18° | 0 mm | 7 | |
| Sept. 22 | Partly cloudy | 22° /18° | 0 mm | 8 | |
| Sept. 23 |  Cloudy | 24° /18° | 0 mm | 7 | |
| Sept. 24 | Overcast | 23° /19° | 0 mm | 8 | |
| Sept. 25 | Cloudy | 24° /19° | 0 mm | 7 | |
| Sept. 26 | Overcast | 25° /19° | 0 mm | 3 | |
| Sept. 27 | Overcast | 27° /20° | 0 mm | 3 | |
| Sept. 28 | Sunny | 24° /19° | 0 mm | 7 | |
| Sept. 29 | Sunny | 28° /18° | 0 mm | 7 | |
| Sept. 30 |  Mist | 23° /18° | 0 mm | 5 | |
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Important Notice
Our weather forecast for Santa Monica 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 Santa Monica forecast closer to your planned date for the most up-to-date weather information.
Change Month
Santa Monica in September - FAQ
What are the expected maximum and minimum temperatures in Santa Monica during September?
During September, expect a variety of temperatures with highs around 25° and lows near 19°, suitable for diverse activities and preferences.
How much rainfall should be expected in Santa Monica during September?
Moderate rainfall is anticipated in Santa Monica during September, with a total of 53 mm spread over approximately 3 days. Considering plans for rainy days is advisable.
What are the typical wind conditions in Santa Monica during September?
The average wind speed in Santa Monica during September is 15 km/h, suggesting breezy to windy conditions, depending on your activities.
September rainfall patterns in Santa Monica
Explore the daily rainfall trends and prepare for Santa Monicas September weather 💧
Typically, Santa Monica has 3 rainy days in September with a total of 53 mm of rainfall.
UV exposure in Santa Monica during September
Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
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