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
In general, the average temperature in San Benito County at the beginning of September is 31.3 °F. As the month progressed, temperatures tended to significantly cool down, reaching an average of 26.7 °F by the end of September.
Precipitation in San Benito 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
28°/12°
Temperatures
12 km/h
Avg max wind
58 %
Avg humidity
San Benito County Weather September
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Temperatures trend during September in San Benito County
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September weather in San Benito 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° /10° | 0 mm | 7 | |
| Sept. 3 | Sunny | 34° /11° | 0 mm | 9 | |
| Sept. 4 | Sunny | 31° /13° | 0 mm | 8 | |
| Sept. 5 | Sunny | 32° /13° | 0 mm | 8 | |
| Sept. 6 | Sunny | 31° /15° | 0 mm | 8 | |
| Sept. 7 | Sunny | 31° /14° | 0 mm | 7 | |
| Sept. 8 | Sunny | 29° /12° | 0 mm | 7 | |
| Sept. 9 | Sunny | 25° /14° | 0 mm | 6 | |
| Sept. 10 | Sunny | 22° /12° | 0 mm | 6 | |
| Sept. 11 | Sunny | 21° /11° | 0 mm | 6 | |
| Sept. 12 |  Cloudy | 26° /11° | 0 mm | 6 | |
| Sept. 13 | Sunny | 25° /10° | 0 mm | 6 | |
| Sept. 14 | Sunny | 27° /10° | 0 mm | 7 | |
| Sept. 15 |  Patchy rain possible | 28° /11° | 0.1 mm | 6 | |
| Sept. 16 | Patchy rain possible | 26° /13° | 0.2 mm | 7 | |
| Sept. 17 |  Overcast | 27° /13° | 0 mm | 7 | |
| Sept. 18 |  Moderate rain at times | 18° /11° | 7.9 mm | 4 | |
| Sept. 19 | Overcast | 25° /12° | 0 mm | 6 | |
| Sept. 20 | Overcast | 25° /11° | 0 mm | 6 | |
| Sept. 21 | Cloudy | 27° /11° | 0 mm | 6 | |
| Sept. 22 | Sunny | 30° /10° | 0 mm | 7 | |
| Sept. 23 | Sunny | 37° /15° | 0 mm | 9 | |
| Sept. 24 | Sunny | 27° /14° | 1.8 mm | 7 | |
| Sept. 25 |  Partly cloudy | 25° /12° | 0 mm | 6 | |
| Sept. 26 | Partly cloudy | 28° /12° | 0 mm | 7 | |
| Sept. 27 | Sunny | 29° /13° | 0 mm | 8 | |
| Sept. 28 | Sunny | 24° /12° | 0 mm | 6 | |
| Sept. 29 | Partly cloudy | 25° /12° | 0 mm | 6 | |
| Sept. 30 | Sunny | 29° /11° | 0 mm | 7 | |
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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 28° 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 1 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 12 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 💧
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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