Oakland (CA)
September
Weather in Oakland, California for September 2026
Your guide to Oakland weather in September - trends and predictions
In general, the average temperature in Oakland at the beginning of September is 19.9 °C. As the month progressed, temperatures tended to noticeably cool down, reaching an average of 17.7 °C by the end of September.
Precipitation in Oakland 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
18°/13°
Temperatures
17 km/h
Avg max wind
85 %
Avg humidity
Oakland Weather September
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Temperatures trend during September in Oakland
See the weather trend as well as the moving average line
September weather in Oakland day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| Sept. 1 |  Patchy rain possible | 19° /13° | 0.1 mm | 4 | |
| Sept. 2 |  Mist | 18° /13° | 0 mm | 5 | |
| Sept. 3 | Mist | 22° /13° | 0 mm | 5 | |
| Sept. 4 | Mist | 20° /13° | 0 mm | 5 | |
| Sept. 5 | Mist | 21° /13° | 0 mm | 5 | |
| Sept. 6 | Mist | 19° /13° | 0 mm | 5 | |
| Sept. 7 | Mist | 20° /13° | 0 mm | 5 | |
| Sept. 8 | Fog | 19° /12° | 0 mm | 5 | |
| Sept. 9 | Fog | 19° /13° | 0 mm | 5 | |
| Sept. 10 | Fog | 18° /13° | 0 mm | 5 | |
| Sept. 11 | Fog | 19° /13° | 0 mm | 5 | |
| Sept. 12 | Mist | 19° /13° | 0 mm | 5 | |
| Sept. 13 | Fog | 19° /13° | 0 mm | 5 | |
| Sept. 14 | Fog | 21° /13° | 0 mm | 5 | |
| Sept. 15 | Mist | 18° /13° | 0 mm | 4 | |
| Sept. 16 | Mist | 18° /13° | 0.2 mm | 4 | |
| Sept. 17 | Mist | 17° /12° | 0 mm | 4 | |
| Sept. 18 | Mist | 17° /12° | 10.3 mm | 4 | |
| Sept. 19 | Fog | 16° /13° | 0 mm | 4 | |
| Sept. 20 | Mist | 17° /13° | 0 mm | 4 | |
| Sept. 21 | Mist | 17° /12° | 0 mm | 4 | |
| Sept. 22 | Fog | 18° /11° | 0 mm | 4 | |
| Sept. 23 | Mist | 18° /12° | 0 mm | 4 | |
| Sept. 24 | Mist | 17° /12° | 0 mm | 4 | |
| Sept. 25 | Mist | 17° /13° | 0 mm | 4 | |
| Sept. 26 | Fog | 18° /12° | 0.1 mm | 4 | |
| Sept. 27 | Fog | 18° /12° | 0 mm | 4 | |
| Sept. 28 | Mist | 17° /12° | 0 mm | 4 | |
| Sept. 29 |  Partly cloudy | 17° /13° | 0 mm | 4 | |
| Sept. 30 | Mist | 20° /14° | 0.7 mm | 4 | |
| Next | |||||
Important Notice
Our weather forecast for Oakland 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 Oakland forecast closer to your planned date for the most up-to-date weather information.
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Oakland in September - FAQ
What are the expected maximum and minimum temperatures in Oakland during September?
Enjoy moderate daytime temperatures of up to 18° and cooler nights around 13°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Oakland during September?
Expect minimal rainfall in Oakland during September, with a total of 11.3 mm over approximately 1 days. This minimal precipitation is unlikely to significantly impact plans.
What are the typical wind conditions in Oakland during September?
The average wind speed in Oakland during September is 17 km/h, suggesting breezy to windy conditions, depending on your activities.
September rainfall patterns in Oakland
Explore the daily rainfall trends and prepare for Oaklands September weather 💧
Typically, Oakland has 1 rainy days in September with a total of 11.3 mm of rainfall.
UV exposure in Oakland during September
Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
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