Solano County (Fairfield)
September
Weather in Solano County, California for September 2026
Your guide to Solano County weather in September - trends and predictions
In general, the average temperature in Solano County at the beginning of September is 31.6 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 27.6 °C by the end of September.
Precipitation in Solano County during September is a rare event, with an average of fewer than 2 rainy days.
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Temperatures
Rain 🌧️
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29
Dry days
1
Rainy days
0
Snow days
29°/13°
Temperatures
18 km/h
Avg max wind
64 %
Avg humidity
Solano County Weather September
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Temperatures trend during September in Solano County
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September weather in Solano County day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| Sept. 1 |  Sunny | 32° /13° | 0 mm | 8 | |
| Sept. 2 | Sunny | 28° /12° | 0 mm | 7 | |
| Sept. 3 |  Partly cloudy | 35° /13° | 0 mm | 8 | |
| Sept. 4 | Sunny | 34° /14° | 0 mm | 8 | |
| Sept. 5 | Sunny | 32° /15° | 0 mm | 8 | |
| Sept. 6 | Sunny | 31° /14° | 0 mm | 8 | |
| Sept. 7 | Sunny | 29° /14° | 0 mm | 7 | |
| Sept. 8 | Sunny | 29° /12° | 0 mm | 7 | |
| Sept. 9 | Sunny | 27° /15° | 0 mm | 7 | |
| Sept. 10 | Sunny | 23° /13° | 0 mm | 6 | |
| Sept. 11 | Sunny | 28° /13° | 0 mm | 7 | |
| Sept. 12 | Sunny | 29° /12° | 0 mm | 7 | |
| Sept. 13 | Sunny | 27° /13° | 0 mm | 7 | |
| Sept. 14 | Sunny | 30° /13° | 0 mm | 7 | |
| Sept. 15 |  Overcast | 29° /13° | 0 mm | 7 | |
| Sept. 16 |  Patchy rain possible | 29° /14° | 0.6 mm | 7 | |
| Sept. 17 | Overcast | 28° /13° | 0 mm | 7 | |
| Sept. 18 | Overcast | 24° /13° | 10.8 mm | 6 | |
| Sept. 19 |  Cloudy | 27° /13° | 0 mm | 6 | |
| Sept. 20 | Overcast | 27° /12° | 0 mm | 6 | |
| Sept. 21 | Overcast | 29° /12° | 0 mm | 6 | |
| Sept. 22 | Sunny | 32° /13° | 0 mm | 8 | |
| Sept. 23 | Overcast | 38° /15° | 0 mm | 9 | |
| Sept. 24 | Partly cloudy | 30° /15° | 0 mm | 7 | |
| Sept. 25 | Overcast | 23° /13° | 0 mm | 5 | |
| Sept. 26 | Overcast | 31° /12° | 0 mm | 7 | |
| Sept. 27 | Sunny | 30° /13° | 0 mm | 8 | |
| Sept. 28 | Partly cloudy | 23° /13° | 0 mm | 6 | |
| Sept. 29 | Overcast | 27° /13° | 0 mm | 6 | |
| Sept. 30 | Sunny | 29° /14° | 0 mm | 7 | |
| Next | |||||
Important Notice
Our weather forecast for Solano County 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 Solano County forecast closer to your planned date for the most up-to-date weather information.
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Solano County in September - FAQ
What are the expected maximum and minimum temperatures in Solano County during September?
Enjoy moderate daytime temperatures of up to 29° and cooler nights around 13°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Solano County during September?
Expect minimal rainfall in Solano County during September, with a total of 11.4 mm over approximately 1 days. This minimal precipitation is unlikely to significantly impact plans.
What are the typical wind conditions in Solano County during September?
The average wind speed in Solano County during September is 18 km/h, suggesting breezy to windy conditions, depending on your activities.
September rainfall patterns in Solano County
Explore the daily rainfall trends and prepare for Solano Countys September weather 💧
Typically, Solano County has 1 rainy days in September with a total of 11.4 mm of rainfall.
UV exposure in Solano County during September
Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
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Where is Solano County?Get accurate weather forecasts for Solano County, located at latitude 38.249 and longitude -122.04. Stay updated with localized weather information tailored for Solano County.
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