Ventura (CA)
September
Weather in Ventura, California for September 2026
Your guide to Ventura weather in September - trends and predictions
In general, the average temperature in Ventura at the beginning of September is 25.1 °F. As the month progressed, temperatures tended to significantly cool down, reaching an average of 20 °F by the end of September.
Precipitation in Ventura 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
21°/16°
Temperatures
16 km/h
Avg max wind
77 %
Avg humidity
Ventura Weather September
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Temperatures trend during September in Ventura
See the weather trend as well as the moving average line
September weather in Ventura day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| Sept. 1 |  Partly cloudy | 24° /18° | 0 mm | 6 | |
| Sept. 2 | Partly cloudy | 27° /18° | 0 mm | 7 | |
| Sept. 3 |  Sunny | 31° /21° | 0 mm | 8 | |
| Sept. 4 | Partly cloudy | 25° /19° | 0 mm | 7 | |
| Sept. 5 | Partly cloudy | 24° /18° | 0 mm | 6 | |
| Sept. 6 | Partly cloudy | 22° /17° | 0 mm | 6 | |
| Sept. 7 | Partly cloudy | 23° /17° | 0 mm | 6 | |
| Sept. 8 | Partly cloudy | 23° /18° | 0 mm | 6 | |
| Sept. 9 | Sunny | 24° /18° | 0 mm | 7 | |
| Sept. 10 | Sunny | 21° /16° | 0 mm | 6 | |
| Sept. 11 | Sunny | 20° /16° | 0 mm | 6 | |
| Sept. 12 | Sunny | 21° /16° | 0 mm | 6 | |
| Sept. 13 | Partly cloudy | 20° /16° | 0 mm | 5 | |
| Sept. 14 |  Overcast | 21° /16° | 0 mm | 5 | |
| Sept. 15 |  Patchy rain possible | 21° /16° | 0.2 mm | 5 | |
| Sept. 16 | Patchy rain possible | 21° /16° | 0.1 mm | 5 | |
| Sept. 17 | Sunny | 22° /15° | 0 mm | 5 | |
| Sept. 18 | Overcast | 22° /16° | 2 mm | 5 | |
| Sept. 19 | Overcast | 21° /16° | 0 mm | 5 | |
| Sept. 20 | Overcast | 21° /16° | 0.1 mm | 5 | |
| Sept. 21 | Overcast | 21° /16° | 0 mm | 5 | |
| Sept. 22 | Partly cloudy | 21° /16° | 0 mm | 6 | |
| Sept. 23 | Partly cloudy | 23° /17° | 0 mm | 6 | |
| Sept. 24 | Partly cloudy | 21° /17° | 0 mm | 6 | |
| Sept. 25 | Partly cloudy | 21° /16° | 0 mm | 6 | |
| Sept. 26 | Partly cloudy | 19° /15° | 0 mm | 5 | |
| Sept. 27 | Partly cloudy | 19° /16° | 0 mm | 5 | |
| Sept. 28 |  Cloudy | 20° /16° | 0 mm | 5 | |
| Sept. 29 | Partly cloudy | 20° /16° | 0 mm | 5 | |
| Sept. 30 | Partly cloudy | 20° /16° | 0 mm | 5 | |
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Important Notice
Our weather forecast for Ventura 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 forecast closer to your planned date for the most up-to-date weather information.
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Ventura in September - FAQ
What are the expected maximum and minimum temperatures in Ventura during September?
During September, expect a variety of temperatures with highs around 21° and lows near 16°, suitable for diverse activities and preferences.
How much rainfall should be expected in Ventura during September?
Rainfall in Ventura 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 during September?
The average wind speed in Ventura during September is 16 km/h, suggesting breezy to windy conditions, depending on your activities.
September rainfall patterns in Ventura
Explore the daily rainfall trends and prepare for Venturas September weather 💧
UV exposure in Ventura during September
Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
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