Oakland
September
Weather in Oakland for September 2025
Your guide to Oakland weather in September - trends and predictions
In general, the average temperature in Oakland at the beginning of September is 21.3 °F. As the month progressed, temperatures tended to significantly cool down, reaching an average of 17.9 °F 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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29
Dry days
1
Rainy days
0
Snow days
20°/13°
Temperatures
19 km/h
Avg max wind
82 %
Avg humidity
Oakland in September average weather
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| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  19° | 2  20° | 3 23° | 4 22° | 5 23° | 6 21° | 7 21° |
| 8 21° | 9 20° | 10 19° | 11 21° | 12 20° | 13 21° | 14 21° |
| 15 18° | 16 19° | 17  16° | 18 18° | 19 15° | 20 17° | 21 17° |
| 22 17° | 23 18° | 24 17° | 25 17° | 26 18° | 27 18° | 28 17° |
| 29  17° | 30 21° |
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Temperatures trend during September in Oakland
See the weather trend as well as the moving average line
September weather 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 | 20° /14° | 0 mm | 5 | |
| Sept. 3 | Mist | 23° /13° | 0 mm | 6 | |
| Sept. 4 | Mist | 22° /14° | 0 mm | 6 | |
| Sept. 5 | Mist | 23° /13° | 0 mm | 6 | |
| Sept. 6 | Mist | 21° /13° | 0 mm | 6 | |
| Sept. 7 | Mist | 21° /12° | 0 mm | 6 | |
| Sept. 8 | Fog | 21° /12° | 0 mm | 6 | |
| Sept. 9 | Fog | 20° /12° | 0 mm | 5 | |
| Sept. 10 | Fog | 19° /12° | 0 mm | 5 | |
| Sept. 11 | Fog | 21° /12° | 0 mm | 6 | |
| Sept. 12 | Mist | 20° /13° | 0 mm | 5 | |
| Sept. 13 | Fog | 21° /13° | 0 mm | 6 | |
| Sept. 14 | Fog | 21° /13° | 0 mm | 6 | |
| Sept. 15 | Mist | 18° /13° | 0 mm | 5 | |
| Sept. 16 | Mist | 19° /13° | 0.3 mm | 5 | |
| Sept. 17 | Overcast | 16° /13° | 0 mm | 4 | |
| Sept. 18 | Mist | 18° /12° | 0 mm | 5 | |
| Sept. 19 | Fog | 15° /12° | 0 mm | 4 | |
| Sept. 20 | Mist | 17° /12° | 0 mm | 4 | |
| Sept. 21 | Mist | 17° /12° | 0 mm | 4 | |
| Sept. 22 | Fog | 17° /11° | 0 mm | 4 | |
| Sept. 23 | Overcast | 18° /12° | 0 mm | 4 | |
| Sept. 24 | Mist | 17° /11° | 0 mm | 5 | |
| Sept. 25 | Mist | 17° /12° | 0 mm | 4 | |
| Sept. 26 | Patchy rain possible | 18° /12° | 0.1 mm | 5 | |
| Sept. 27 | Mist | 18° /12° | 0 mm | 5 | |
| Sept. 28 | Mist | 17° /11° | 0 mm | 4 | |
| Sept. 29 | Partly cloudy | 17° /12° | 0 mm | 5 | |
| Sept. 30 | Light rain shower | 21° /13° | 1 mm | 5 | |
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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.
Oakland in September - FAQ
What are the expected maximum and minimum temperatures in Oakland during September?
Enjoy moderate daytime temperatures of up to 20° 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?
Rainfall in Oakland 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 Oakland during September?
The average wind speed in Oakland during September is 19 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 💧
UV exposure in Oakland during September
Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
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