San Benito County (Hollister)
September
Weather in San Benito County, California for September 2026
Your guide to San Benito County weather in September - trends and predictions
Until now, September 2026 in San Benito County has been nearly identical to the historical average, with a temperature of 27.1 °F (showing only a slight deviation of 0.3 °F).
The forecast for the coming days of September 2026 predicts a temperature of 29.1 °F , which is warmer than usual.
In general, the average temperature in San Benito County at the beginning of September is 29.9 °F. As the month progressed, temperatures tended to noticeably cool down, reaching an average of 27.3 °F by the end of September.
With an average of 2 rainy days, San Benito County experiences minimal rainfall in September.
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Temperatures
Rain 🌧️
More
28
Dry days
2
Rainy days
0
Snow days
27°/12°
Temperatures
13 km/h
Avg max wind
66 %
Avg humidity
San Benito County Weather September
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Temperatures trend during September in San Benito County
See the weather trend as well as the moving average line
September weather in San Benito County day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| Sept. 1 |  Sunny | 29° /12° | 0 mm | 8 | |
| Sept. 2 | Sunny | 27° /10° | 0 mm | 8 | |
| Sept. 3 | Sunny | 32° /11° | 0 mm | 9 | |
| Sept. 4 | Sunny | 30° /13° | 0 mm | 8 | |
| Sept. 5 | Sunny | 31° /13° | 0 mm | 8 | |
| Sept. 6 | Sunny | 29° /14° | 0 mm | 8 | |
| Sept. 7 | Sunny | 31° /12° | 0 mm | 8 | |
| Sept. 8 | Sunny | 31° /12° | 0 mm | 6 | |
| Sept. 9 | Sunny | 29° /15° | 0 mm | 5 | |
| Sept. 10 | Sunny | 27° /14° | 0 mm | 7 | |
| Sept. 11 | Sunny | 23° /12° | 0 mm | 6 | |
| Sept. 12 |  Cloudy | 27° /11° | 0 mm | 7 | |
| Sept. 13 | Sunny | 25° /10° | 0 mm | 7 | |
| Sept. 14 | Sunny | 27° /10° | 0 mm | 7 | |
| Sept. 15 |  Patchy rain possible | 26° /11° | 0 mm | 7 | |
| Sept. 16 | Patchy rain possible | 25° /12° | 0.1 mm | 7 | |
| Sept. 17 | Sunny | 25° /12° | 0 mm | 7 | |
| Sept. 18 |  Moderate rain at times | 21° /11° | 5.3 mm | 5 | |
| Sept. 19 |  Overcast | 25° /11° | 0 mm | 6 | |
| Sept. 20 | Overcast | 24° /11° | 0 mm | 4 | |
| Sept. 21 | Sunny | 21° /12° | 0 mm | 6.9 | |
| Sept. 22 | Sunny | 25° /11° | 0 mm | 6.9 | |
| Sept. 23 | Sunny | 31° /13° | 0 mm | 6.9 | |
| Sept. 24 | Sunny | 29° /15° | 0 mm | 6.7 | |
| Sept. 25 | Sunny | 26° /13° | 0 mm | 6.1 | |
| Sept. 26 | Overcast | 23° /11° | 0 mm | 5 | |
| Sept. 27 |  Mist | 24° /10° | 0 mm | 6 | |
| Sept. 28 | Sunny | 28° /13° | 0 mm | 7 | |
| Sept. 29 | Sunny | 29° /12° | 0 mm | 7 | |
| Sept. 30 | Sunny | 32° /13° | 0 mm | 8 | |
| Next | |||||
Important Notice
Our weather forecast for San Benito 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 San Benito County forecast closer to your planned date for the most up-to-date weather information.
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San Benito County in September - FAQ
What are the expected maximum and minimum temperatures in San Benito County during September?
Enjoy moderate daytime temperatures of up to 27° and cooler nights around 12°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in San Benito County during September?
Rainfall in San Benito County during September is rare to nonexistent, with the total expected rainfall being less than 10 mm and approximately 2 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 San Benito County during September?
The average wind speed in San Benito County during September is 13 km/h, suggesting breezy to windy conditions, depending on your activities.
September rainfall patterns in San Benito County
Explore the daily rainfall trends and prepare for San Benito Countys September weather 💧
Typically, San Benito County has 2 rainy days in September with a total of 10 mm of rainfall.
UV exposure in San Benito County during September
Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
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Where is San Benito County?Get accurate weather forecasts for San Benito County, located at latitude 36.852 and longitude -121.402. Stay updated with localized weather information tailored for San Benito County.
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