Ventura County (Oxnard)
September
Weather in Ventura County, California for September 2026
Your guide to Ventura County weather in September - trends and predictions
So far, September 2026 in Ventura County shows a warmer trend than usual by 2.4 °F.
The forecast for the next days in Ventura County predicts temperatures to be around 23 °F, close to the historical average.
In general, the average temperature in Ventura County at the beginning of September is 24.6 °F. As the month progressed, temperatures tended to moderately fall, reaching an average of 22.7 °F by the end of September.
Precipitation in Ventura County during September is a rare event, with an average of fewer than 2 rainy days.
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Temperatures
Rain 🌧️
More
29
Dry days
1
Rainy days
0
Snow days
21°/17°
Temperatures
16 km/h
Avg max wind
77 %
Avg humidity
Ventura County Weather September
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Temperatures trend during September in Ventura County
See the weather trend as well as the moving average line
September weather in Ventura County day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| Sept. 1 |  Partly cloudy | 24° /16° | 0 mm | 7 | |
| Sept. 2 |  Sunny | 25° /16° | 0 mm | 7 | |
| Sept. 3 | Sunny | 25° /17° | 0 mm | 7 | |
| Sept. 4 | Partly cloudy | 24° /17° | 0 mm | 7 | |
| Sept. 5 | Sunny | 25° /18° | 0 mm | 7 | |
| Sept. 6 |  Overcast | 24° /18° | 0 mm | 6 | |
| Sept. 7 | Partly cloudy | 25° /18° | 0 mm | 7 | |
| Sept. 8 | Partly cloudy | 26° /19° | 0 mm | 7 | |
| Sept. 9 | Partly cloudy | 27° /19° | 0 mm | 7 | |
| Sept. 10 | Overcast | 24° /18° | 0 mm | 6 | |
| Sept. 11 | Sunny | 23° /18° | 0 mm | 6 | |
| Sept. 12 |  Cloudy | 22° /17° | 0 mm | 6 | |
| Sept. 13 | Partly cloudy | 21° /17° | 0 mm | 6 | |
| Sept. 14 |  Mist | 21° /16° | 0 mm | 6 | |
| Sept. 15 | Cloudy | 22° /16° | 0 mm | 6 | |
| Sept. 16 |  Patchy rain possible | 21° /17° | 0.2 mm | 5 | |
| Sept. 17 | Overcast | 21° /16° | 0.4 mm | 6 | |
| Sept. 18 | Overcast | 21° /16° | 1 mm | 6 | |
| Sept. 19 | Mist | 21° /16° | 0 mm | 6 | |
| Sept. 20 | Mist | 20° /16° | 0 mm | 4 | |
| Sept. 21 | Sunny | 22° /20° | 0 mm | 7.3 | |
| Sept. 22 | Sunny | 21° /19° | 0 mm | 6.9 | |
| Sept. 23 | Sunny | 23° /20° | 0 mm | 7.2 | |
| Sept. 24 | Sunny | 23° /20° | 0 mm | 7.2 | |
| Sept. 25 | Sunny | 22° /20° | 0 mm | 6 | |
| Sept. 26 | Sunny | 22° /21° | 0 mm | 6 | |
| Sept. 27 | Sunny | 22° /20° | 0 mm | 6 | |
| Sept. 28 | Sunny | 23° /21° | 0 mm | 6 | |
| Sept. 29 | Sunny | 23° /21° | 0.9 mm | 6 | |
| Sept. 30 | Sunny | 24° /22° | 0 mm | 6 | |
| Next | |||||
Important Notice
Our weather forecast for Ventura 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 Ventura County forecast closer to your planned date for the most up-to-date weather information.
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Ventura County in September - FAQ
What are the expected maximum and minimum temperatures in Ventura County during September?
During September, expect a variety of temperatures with highs around 21° and lows near 17°, suitable for diverse activities and preferences.
How much rainfall should be expected in Ventura County during September?
Rainfall in Ventura 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 Ventura County during September?
The average wind speed in Ventura County during September is 16 km/h, suggesting breezy to windy conditions, depending on your activities.
UV exposure in Ventura County during September
Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
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Where is Ventura County?Get accurate weather forecasts for Ventura County, located at latitude 34.198 and longitude -119.177. Stay updated with localized weather information tailored for Ventura County.
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