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Fremont (CA)
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United States weather

Weather in Fremont, California for September 2026

Your guide to Fremont weather in September - trends and predictions

    Temperatures

  • Until now, September 2026 in Fremont has been nearly identical to the historical average, with a temperature of 26.2 °F (showing only a slight deviation of 0.2 °F).

  • The forecast for the upcoming days in Fremont predicts a temperature of 28.4 °F, which is slightly above the historical average.

  • In general, the average temperature in Fremont at the beginning of September is 26.6 °F. As the month progressed, temperatures tended to slightly decrease, reaching an average of 26.4 °F by the end of September.

    • Rain 🌧️

  • Precipitation in Fremont 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
26°/13°
Temperatures
Average wind speed
14 km/h
Avg max wind
Average humidity
66 %
Avg humidity

Fremont Weather September

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

Temperatures trend during September in Fremont

See the weather trend as well as the moving average line

September weather in Fremont day by day

Click on a date for more information
August October
Date Weather Temperatures Rain UV More
Sept. 1 Overcast
Overcast
 24° /14° 1.4 mm 5
Sept. 2 Sunny
Sunny
 25° /13° 0 mm 7
Sept. 3 Overcast
Overcast
 28° /14° 0.1 mm 6
Sept. 4 Sunny
Sunny
 28° /13° 0 mm 7
Sept. 5 Sunny
Sunny
 27° /13° 0 mm 7
Sept. 6 Sunny
Sunny
 27° /14° 0 mm 7
Sept. 7 Sunny
Sunny
 27° /13° 0 mm 7
Sept. 8 Sunny
Sunny
 28° /12° 0 mm 6
Sept. 9 Cloudy
Cloudy
 28° /14° 0 mm 5
Sept. 10 Overcast
Overcast
 27° /14° 0 mm 6
Sept. 11 Overcast
Overcast
 24° /12° 0 mm 5
Sept. 12 Overcast
Overcast
 25° /13° 0 mm 7
Sept. 13 Mist
Mist
 24° /13° 0 mm 6
Sept. 14 Cloudy
Cloudy
 28° /13° 0 mm 7
Sept. 15 Overcast
Overcast
 27° /13° 0 mm 7
Sept. 16 Sunny
Sunny
 25° /14° 0.4 mm 6
Sept. 17 Partly cloudy
Partly cloudy
 24° /12° 0 mm 6
Sept. 18 Mist
Mist
 23° /13° 3.5 mm 6
Sept. 19 Mist
Mist
 26° /13° 0 mm 6
Sept. 20 Mist
Mist
 25° /12° 0 mm 5
Sept. 21 Sunny
Sunny
 25° /14° 0 mm 6.5
Sept. 22 Sunny
Sunny
 26° /14° 0 mm 6.6
Sept. 23 Sunny
Sunny
 29° /15° 0 mm 6.7
Sept. 24 Sunny
Sunny
 29° /17° 0 mm 6.5
Sept. 25 Sunny
Sunny
 26° /17° 0 mm 6.3
Sept. 26 Sunny
Sunny
 26° /16° 0 mm 7
Sept. 27 Sunny
Sunny
 21° /13° 0 mm 6
Sept. 28 Sunny
Sunny
 27° /15° 0 mm 7
Sept. 29 Sunny
Sunny
 26° /15° 0 mm 7
Sept. 30 Sunny
Sunny
 30° /16° 0 mm 7
Next
Important Notice
Our weather forecast for Fremont 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 Fremont forecast closer to your planned date for the most up-to-date weather information.
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Fremont in September - FAQ

What are the expected maximum and minimum temperatures in Fremont during September?
Enjoy moderate daytime temperatures of up to 26° and cooler nights around 13°. Ideal for a range of outdoor activities, from hiking to city tours.

How much rainfall should be expected in Fremont during September?
Rainfall in Fremont 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 Fremont during September?
The average wind speed in Fremont during September is 14 km/h, suggesting breezy to windy conditions, depending on your activities.

September rainfall patterns in Fremont

Explore the daily rainfall trends and prepare for Fremonts September weather 💧
Typically, Fremont has 1 rainy days in September with a total of 5.8 mm of rainfall.

UV exposure in Fremont during September

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

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Location coordinates Where is Fremont?

Get accurate weather forecasts for Fremont, located at latitude 37.548 and longitude -121.989. Stay updated with localized weather information tailored for Fremont.

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