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Weather in Santa Rosa for September 2024

Your guide to Santa Rosa weather in September - trends and predictions

  • Until now, September 2024 in Santa Rosa has been nearly identical to the historical average, with a temperature of 26.4 °F (showing only a slight deviation of -0.1 °F).

  • The forecast for the next days in Santa Rosa predicts temperatures to be around 34 °F, close to the historical average.

  • In general, the average temperature in Santa Rosa at the beginning of September is 27.3 °F. As the month progressed, temperatures tended to significantly warm up, reaching an average of 36 °F by the end of September.

  • With an average of 2 rainy days, Santa Rosa experiences minimal rainfall in September, ensuring that most days remain pleasantly dry.

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Average dry days
28
Dry days
Average rainy days
2
Rainy days
Average snowy days
0
Snow days
Average temperatures
25°/10°
Temperatures
Average wind speed
15 km/h
Avg max wind
Average humidity
73 %
Avg humidity

Santa Rosa in September average weather

Move between months or click on a day
August
October
Mon.Tue.Wed.Thu.Fri.Sat.Sun.
1
Mist
23°
2
Patchy rain possible
23°
3
Mist
29°
4
Partly cloudy
31°
5
Cloudy
31°
6
Mist
28°
7
Mist
26°
8
Overcast
27°
9
Mist
28°
10
Cloudy
26°
11
Sunny
28°
12
Cloudy
27°
13
Partly cloudy
29°
14
Mist
27°
15
Mist
24°
16
Mist
23°
17
Mist
21°
18
Mist
24°
19
Partly cloudy
29°
20
Mist
21°
21
Partly cloudy
32°
22
Sunny
34°
23
Sunny
38°
24
Sunny
36°
25
Sunny
27°
26
Sunny
33°
27
Sunny
39°
28
Sunny
40°
29
Sunny
39°
30
Sunny
38°
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Temperatures trend during September in Santa Rosa

See the weather trend as well as the moving average line

September weather day by day

Click on a date for more information
August October
Date Weather Temperatures Rain UV More
Sept. 1 Mist
Mist
 23° /11° 0 mm 6
Sept. 2 Patchy rain possible
Patchy rain possible
 23° /11° 0.1 mm 6
Sept. 3 Mist
Mist
 29° /11° 0 mm 7
Sept. 4 Partly cloudy
Partly cloudy
 31° /13° 0 mm 8
Sept. 5 Cloudy
Cloudy
 31° /12° 0 mm 7
Sept. 6 Mist
Mist
 28° /10° 0 mm 7
Sept. 7 Mist
Mist
 26° /9° 0 mm 7
Sept. 8 Overcast
Overcast
 27° /10° 0 mm 7
Sept. 9 Mist
Mist
 28° /9° 0 mm 7
Sept. 10 Cloudy
Cloudy
 26° /9° 0 mm 6
Sept. 11 Sunny
Sunny
 28° /10° 0 mm 8
Sept. 12 Cloudy
Cloudy
 27° /10° 0 mm 7
Sept. 13 Partly cloudy
Partly cloudy
 29° /11° 0 mm 8
Sept. 14 Mist
Mist
 27° /11° 0 mm 7
Sept. 15 Mist
Mist
 24° /10° 0 mm 6
Sept. 16 Mist
Mist
 23° /10° 0 mm 6
Sept. 17 Mist
Mist
 21° /10° 0 mm 5
Sept. 18 Mist
Mist
 24° /10° 0 mm 5
Sept. 19 Partly cloudy
Partly cloudy
 29° /12° 0 mm 6
Sept. 20 Mist
Mist
 21° /12° 0 mm 6
Sept. 21 Partly cloudy
Partly cloudy
 32° /10° 0 mm 7
Sept. 22 Sunny
Sunny
 34° /13° 0 mm 7
Sept. 23 Sunny
Sunny
 38° /16° 0 mm 6
Sept. 24 Sunny
Sunny
 36° /16° 0 mm 6
Sept. 25 Sunny
Sunny
 27° /13° 0 mm 5
Sept. 26 Sunny
Sunny
 33° /13° 0 mm 6
Sept. 27 Sunny
Sunny
 39° /17° 0 mm 7
Sept. 28 Sunny
Sunny
 40° /20° 0 mm 7
Sept. 29 Sunny
Sunny
 39° /20° 0 mm 7
Sept. 30 Sunny
Sunny
 38° /19° 0 mm 7
Next
Important Notice
Our weather forecast for Santa Rosa 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 Santa Rosa forecast closer to your planned date for the most up-to-date weather information.

Santa Rosa in September - FAQ

What are the expected maximum and minimum temperatures in Santa Rosa during September?
Enjoy moderate daytime temperatures of up to 25° and cooler nights around 10°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Santa Rosa during September?
Rainfall in Santa Rosa during September is rare to nonexistent, with the total expected rainfall being less than 10 mm and approximately 2 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 Santa Rosa during September?
The average wind speed in Santa Rosa during September is 15 km/h, suggesting breezy to windy conditions, depending on your activities.

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Get accurate weather forecasts for Santa Rosa, located at latitude 38.44 and longitude -122.714. Stay updated with localized weather information tailored for Santa Rosa.

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