Sonora (CA)
September
Weather in Sonora, California for September 2025
Your guide to Sonora weather in September - trends and predictions
The forecast for the first days of September 2025 in Sonora predicts a temperature of 36 °F, which is slightly above the historical average.
In general, the average temperature in Sonora at the beginning of September is 36.7 °F. As the month progressed, temperatures tended to significantly cool down, reaching an average of 33.1 °F by the end of September.
Precipitation in Sonora during September is a rare event, with an average of fewer than 2 rainy days.
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Temperatures
Rain 🌧️
More
30
Dry days
0
Rainy days
0
Snow days
31°/17°
Temperatures
13 km/h
Avg max wind
30 %
Avg humidity
Sonora Weather September
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Temperatures trend during September in Sonora
See the weather trend as well as the moving average line
September weather in Sonora day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| Sept. 1 |  Sunny | 39° /23° | 0 mm | 1.8 | |
| Sept. 2 |  Patchy rain possible | 39° /24° | 0.6 mm | 1.4 | |
| Sept. 3 | Sunny | 38° /20° | 0.1 mm | 0 | |
| Sept. 4 | Sunny | 37° /23° | 0 mm | 7 | |
| Sept. 5 | Sunny | 34° /20° | 0 mm | 7 | |
| Sept. 6 | Sunny | 35° /19° | 0 mm | 7 | |
| Sept. 7 | Sunny | 35° /19° | 0 mm | 7 | |
| Sept. 8 | Sunny | 34° /18° | 0 mm | 7 | |
| Sept. 9 | Sunny | 34° /20° | 0 mm | 7 | |
| Sept. 10 | Sunny | 33° /18° | 0 mm | 6 | |
| Sept. 11 | Sunny | 32° /18° | 0 mm | 6 | |
| Sept. 12 | Sunny | 27° /12° | 0 mm | 7 | |
| Sept. 13 | Sunny | 31° /14° | 0 mm | 8 | |
| Sept. 14 | Sunny | 32° /16° | 0 mm | 8 | |
| Sept. 15 |  Partly cloudy | 27° /12° | 0 mm | 7 | |
| Sept. 16 |  Cloudy | 18° /9° | 0 mm | 4 | |
| Sept. 17 |  Overcast | 22° /10° | 0 mm | 5 | |
| Sept. 18 | Overcast | 21° /13° | 0 mm | 5 | |
| Sept. 19 | Overcast | 24° /12° | 0 mm | 5 | |
| Sept. 20 | Sunny | 27° /13° | 0 mm | 7 | |
| Sept. 21 | Sunny | 30° /15° | 0 mm | 8 | |
| Sept. 22 | Sunny | 32° /16° | 0 mm | 8 | |
| Sept. 23 | Sunny | 34° /17° | 0 mm | 8 | |
| Sept. 24 | Overcast | 36° /18° | 0 mm | 8 | |
| Sept. 25 | Sunny | 31° /18° | 0 mm | 8 | |
| Sept. 26 | Sunny | 32° /16° | 0 mm | 8 | |
| Sept. 27 | Sunny | 33° /15° | 0 mm | 8 | |
| Sept. 28 | Sunny | 33° /17° | 0 mm | 8 | |
| Sept. 29 | Sunny | 32° /17° | 0 mm | 8 | |
| Sept. 30 | Sunny | 35° /18° | 0 mm | 9 | |
| Next | |||||
Important Notice
Our weather forecast for Sonora 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 Sonora forecast closer to your planned date for the most up-to-date weather information.
Change Month
Sonora in September - FAQ
What are the expected maximum and minimum temperatures in Sonora during September?
Expect warm days with temperatures around 31°, cooling to mild conditions of 17° after sunset. Perfect for those who enjoy warm weather.
How much rainfall should be expected in Sonora during September?
Rainfall in Sonora during September is rare to nonexistent, with the total expected rainfall being less than 10 mm and approximately 0 days seeing any precipitation. Planning without the concern for rain is generally straightforward during this very dry period.
What are the typical wind conditions in Sonora during September?
The average wind speed in Sonora during September is 13 km/h, suggesting breezy to windy conditions, depending on your activities.
UV exposure in Sonora during September
Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
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Where is Sonora?Get accurate weather forecasts for Sonora, located at latitude 37.984 and longitude -120.382. Stay updated with localized weather information tailored for Sonora.
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