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United States weather

Weather in Oakland, California for September 2026

Your guide to Oakland weather in September - trends and predictions

    Temperatures

  • So far, September 2026 in Oakland shows a warmer trend than usual by 3.7 °F.

  • The forecast for the next days in Oakland predicts temperatures to be around 22 °F, close to the historical average.

  • In general, the average temperature in Oakland at the beginning of September is 20.6 °F. As the month progressed, temperatures tended to moderately fall, reaching an average of 19.4 °F by the end of September.

    • Rain 🌧️

  • Precipitation in Oakland during September is a rare event, with an average of fewer than 2 rainy days.

    • More

  • New! Chat with our AI weatherman - it’s amazing and free.

Average dry days
29
Dry days
Average rainy days
1
Rainy days
Average snowy days
0
Snow days
Average temperatures
18°/13°
Temperatures
Average wind speed
17 km/h
Avg max wind
Average humidity
85 %
Avg humidity

Oakland Weather September

Move between months or click on a day
August
October
Sun.Mon.Tue.Wed.Thu.Fri.Sat.
1
Patchy rain possible
19°
2
Mist
19°
3
Mist
22°
4
Mist
20°
5
Mist
22°
6
Mist
20°
7
Mist
22°
8
Fog
23°
9
Fog
23°
10
Fog
20°
11
Fog
19°
12
Mist
20°
13
Sunny
20°
14
Sunny
23°
15
Sunny
23°
16
Sunny
22°
17
Sunny
22°
18
Sunny
20°
19
Sunny
21°
20
Overcast
21°
21
Overcast
22°
22
Sunny
22°
23
Sunny
24°
24
Sunny
19°
25
Sunny
21°
26
Sunny
24°
27
Fog
18°
28
Mist
17°
29
Partly cloudy
17°
30
Mist
20°

Temperatures trend during September in Oakland

See the weather trend as well as the moving average line

September weather in Oakland day by day

Click on a date for more information
August October
Date Weather Temperatures Rain UV More
Sept. 1 Patchy rain possible
Patchy rain possible
 19° /13° 3.8 mm 4
Sept. 2 Mist
Mist
 19° /13° 0 mm 5
Sept. 3 Mist
Mist
 22° /13° 1.4 mm 5
Sept. 4 Mist
Mist
 20° /13° 0.8 mm 6
Sept. 5 Mist
Mist
 22° /13° 0 mm 6
Sept. 6 Mist
Mist
 20° /13° 0 mm 6
Sept. 7 Mist
Mist
 22° /12° 0 mm 6
Sept. 8 Fog
Fog
 23° /13° 0 mm 6
Sept. 9 Fog
Fog
 23° /13° 0 mm 4
Sept. 10 Fog
Fog
 20° /14° 0 mm 5
Sept. 11 Fog
Fog
 19° /13° 0 mm 5
Sept. 12 Mist
Mist
 20° /13° 0 mm 6
Sept. 13 Sunny
Sunny
 20° /13° 0 mm 6.9
Sept. 14 Sunny
Sunny
 23° /13° 0 mm 6.4
Sept. 15 Sunny
Sunny
 23° /14° 0 mm 6.4
Sept. 16 Sunny
Sunny
 22° /14° 0 mm 6.7
Sept. 17 Sunny
Sunny
 22° /14° 0 mm 6
Sept. 18 Sunny
Sunny
 20° /14° 0 mm 5
Sept. 19 Sunny
Sunny
 21° /14° 0 mm 6
Sept. 20 Overcast
Overcast
 21° /14° 0 mm 5
Sept. 21 Overcast
Overcast
 22° /14° 0 mm 6
Sept. 22 Sunny
Sunny
 22° /14° 0 mm 6
Sept. 23 Sunny
Sunny
 24° /15° 0 mm 6
Sept. 24 Sunny
Sunny
 19° /14° 0 mm 5
Sept. 25 Sunny
Sunny
 21° /12° 0 mm 6
Sept. 26 Sunny
Sunny
 24° /14° 0 mm 6
Sept. 27 Fog
Fog
 18° /12° 0 mm 4
Sept. 28 Mist
Mist
 17° /12° 0 mm 4
Sept. 29 Partly cloudy
Partly cloudy
 17° /13° 0 mm 4
Sept. 30 Mist
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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Location coordinates Where is Oakland?

Get accurate weather forecasts for Oakland, located at latitude 37.804 and longitude -122.271. Stay updated with localized weather information tailored for Oakland.

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