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Stockton (CA)
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Stockton (CA)
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United States weather

Weather in Stockton, California for September 2025

Your guide to Stockton weather in September - trends and predictions

    Official Weather Alert ⚠️

  • Flood Watch - See hour by hour.

    • Temperatures

  • Until now, September 2025 in Stockton is slightly cooler than the historical average by -1.2 °F.

  • Expect cooler weather in the next days in Stockton with the forecast suggesting a temperature of 31.1 °F, lower than the historical average.

  • In general, the average temperature in Stockton at the beginning of September is 34.6 °F. As the month progressed, temperatures tended to significantly cool down, reaching an average of 30.3 °F by the end of September.

    • Rain 🌧️

  • Precipitation in Stockton 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
32°/13°
Temperatures
Average wind speed
16 km/h
Avg max wind
Average humidity
51 %
Avg humidity

Stockton Weather September

Move between months or click on a day
August
October
Sun.Mon.Tue.Wed.Thu.Fri.Sat.
1
Sunny
34°
2
Sunny
33°
3
Overcast
34°
4
Mist
36°
5
Mist
36°
6
Sunny
35°
7
Partly cloudy
34°
8
Sunny
33°
9
Partly cloudy
33°
10
Mist
31°
11
Cloudy
31°
12
Overcast
32°
13
Mist
33°
14
Partly cloudy
34°
15
Partly cloudy
32°
16
Cloudy
31°
17
Overcast
31°
18
Weather Alert Overcast
35°
19
Overcast
31°
20
Sunny
34°
21
Sunny
35°
22
Sunny
38°
23
Patchy rain possible
27°
24
Sunny
31°
25
Sunny
33°
26
Sunny
30°
27
Sunny
30°
28
Sunny
31°
29
Sunny
29°
30
Sunny
28°

Temperatures trend during September in Stockton

See the weather trend as well as the moving average line

September weather in Stockton day by day

Click on a date for more information
August October
Date Weather Temperatures Rain UV More
Sept. 1 Sunny
Sunny
 34° /15° 0 mm 8
Sept. 2 Sunny
Sunny
 33° /14° 0 mm 8
Sept. 3 Overcast
Overcast
 34° /14° 0 mm 8
Sept. 4 Mist
Mist
 36° /15° 0 mm 9
Sept. 5 Mist
Mist
 36° /15° 0 mm 8
Sept. 6 Sunny
Sunny
 35° /16° 0 mm 9
Sept. 7 Partly cloudy
Partly cloudy
 34° /15° 0 mm 8
Sept. 8 Sunny
Sunny
 33° /14° 0 mm 8
Sept. 9 Partly cloudy
Partly cloudy
 33° /15° 0 mm 8
Sept. 10 Mist
Mist
 31° /14° 0 mm 7
Sept. 11 Cloudy
Cloudy
 31° /13° 0 mm 7
Sept. 12 Overcast
Overcast
 32° /13° 0 mm 7
Sept. 13 Mist
Mist
 33° /13° 0 mm 8
Sept. 14 Partly cloudy
Partly cloudy
 34° /14° 0 mm 8
Sept. 15 Partly cloudy
Partly cloudy
 32° /13° 0 mm 7
Sept. 16 Cloudy
Cloudy
 31° /14° 0 mm 7
Sept. 17 Overcast
Overcast
 31° /13° 0 mm 7
Sept. 18 Overcast
Overcast
 35° /18° 0 mm 1.3
Sept. 19 Overcast
Overcast
 31° /18° 0 mm 0.7
Sept. 20 Sunny
Sunny
 34° /16° 0 mm 1.6
Sept. 21 Sunny
Sunny
 35° /17° 0 mm 1.6
Sept. 22 Sunny
Sunny
 38° /19° 0 mm 0
Sept. 23 Patchy rain possible
Patchy rain possible
 27° /19° 0.1 mm 5
Sept. 24 Sunny
Sunny
 31° /17° 0 mm 6
Sept. 25 Sunny
Sunny
 33° /16° 0 mm 6
Sept. 26 Sunny
Sunny
 30° /15° 0 mm 6
Sept. 27 Sunny
Sunny
 30° /13° 0 mm 5
Sept. 28 Sunny
Sunny
 31° /15° 0 mm 6
Sept. 29 Sunny
Sunny
 29° /15° 0 mm 6
Sept. 30 Sunny
Sunny
 28° /14° 0 mm 5
Next
Important Notice
Our weather forecast for Stockton 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 Stockton forecast closer to your planned date for the most up-to-date weather information.
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Stockton in September - FAQ

What are the expected maximum and minimum temperatures in Stockton during September?
Expect warm days with temperatures around 32°, cooling to mild conditions of 13° after sunset. Perfect for those who enjoy warm weather.
How much rainfall should be expected in Stockton during September?
Rainfall in Stockton 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 Stockton during September?
The average wind speed in Stockton during September is 16 km/h, suggesting breezy to windy conditions, depending on your activities.

UV exposure in Stockton during September

Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️

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Location coordinates Where is Stockton?

Get accurate weather forecasts for Stockton, located at latitude 37.958 and longitude -121.291. Stay updated with localized weather information tailored for Stockton.

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