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Weather in Santa Rosa for September 2027

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

    Temperatures

  • In general, the average temperature in Santa Rosa at the beginning of September is 28.6 °C. As the month progressed, temperatures tended to moderately rise, reaching an average of 30.1 °C by the end of September.

  • Rain 🌧️

  • Santa Rosa experiences heavy rainfall in September, with over 20 rainy days and an average total precipitation 320.4 mm.

  • More

  • Is September a good time to visit Santa Rosa? check out the best time to travel to Santa Rosa page.

Average dry days
4
Dry days
Average rainy days
26
Rainy days
Average snowy days
0
Snow days
Average temperatures
29°/25°
Temperatures
Average wind speed
17 km/h
Avg max wind
Average humidity
82 %
Avg humidity

Santa Rosa Weather September

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Temperatures trend during September in Santa Rosa

See the weather trend as well as the moving average line

September weather in Santa Rosa day by day

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Date Weather Temperatures Rain UV More
1 Sept. Moderate rain
Moderate rain
29° /25° 17.6 mm 5
2 Sept. Heavy rain
Heavy rain
27° /25° 37.6 mm 5
3 Sept. Moderate rain
Moderate rain
29° /25° 14.9 mm 5
4 Sept. Moderate rain
Moderate rain
29° /25° 12.5 mm 5
5 Sept. Moderate rain
Moderate rain
28° /25° 13.4 mm 5
6 Sept. Light rain
Light rain
29° /25° 8.3 mm 5
7 Sept. Light rain
Light rain
29° /25° 6.5 mm 5
8 Sept. Light rain
Light rain
29° /25° 5.3 mm 5
9 Sept. Moderate rain at times
Moderate rain at times
29° /24° 7.9 mm 5
10 Sept. Light rain
Light rain
29° /24° 7.4 mm 5
11 Sept. Light rain
Light rain
29° /24° 4.6 mm 5
12 Sept. Moderate or heavy rain shower
Moderate or heavy rain shower
30° /25° 9.1 mm 6
13 Sept. Moderate rain
Moderate rain
29° /24° 17.3 mm 5
14 Sept. Moderate rain
Moderate rain
28° /24° 13.2 mm 6
15 Sept. Light rain
Light rain
29° /25° 6.7 mm 7
16 Sept. Moderate rain
Moderate rain
30° /25° 14.7 mm 6
17 Sept. Heavy rain at times
Heavy rain at times
29° /24° 13.9 mm 5
18 Sept. Moderate rain
Moderate rain
29° /24° 16.2 mm 5
19 Sept. Moderate rain at times
Moderate rain at times
30° /25° 9 mm 5
20 Sept. Heavy rain at times
Heavy rain at times
29° /25° 6 mm 5
21 Sept. Moderate rain
Moderate rain
28° /24° 18.9 mm 6
22 Sept. Moderate rain
Moderate rain
28° /24° 23.3 mm 5
23 Sept. Light rain
Light rain
30° /24° 9.1 mm 6
24 Sept. Moderate or heavy rain shower
Moderate or heavy rain shower
31° /25° 8 mm 6
25 Sept. Light rain
Light rain
30° /25° 4 mm 5
26 Sept. Light rain
Light rain
29° /25° 6.3 mm 5
27 Sept. Patchy rain possible
Patchy rain possible
30° /25° 1 mm 6
28 Sept. Light rain
Light rain
30° /25° 2.6 mm 5
29 Sept. Light rain
Light rain
30° /25° 3.4 mm 6
30 Sept. Patchy rain possible
Patchy rain possible
31° /25° 1.6 mm 5
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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?

During September, expect a variety of temperatures with highs around 29° and lows near 25°, suitable for diverse activities and preferences.

How much rainfall should be expected in Santa Rosa during September?

Significant rainfall exceeding 320.4 mm is expected in Santa Rosa during September, occurring over more than 26 days. Preparing for wet conditions is recommended in your planning.

What are the typical wind conditions in Santa Rosa during September?

The average wind speed in Santa Rosa during September is 17 km/h, suggesting breezy to windy conditions, depending on your activities.

September rainfall patterns in Santa Rosa

Explore the daily rainfall trends and prepare for Santa Rosas September weather 💧
Typically, Santa Rosa has 26 rainy days in September with a total of 320.4 mm of rainfall.

UV exposure in Santa Rosa during September

Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
Quick links
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Location coordinates Where is Santa Rosa?

Get accurate weather forecasts for Santa Rosa, located at latitude 14.312 and longitude 121.111. Stay updated with localized weather information tailored for Santa Rosa.

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