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Weather in San Fernando for September 2025

Your guide to San Fernando weather in September - trends and predictions

    Temperatures

  • Until now, September 2025 in San Fernando is slightly cooler than the historical average by -1.1 °C.

  • Expect cooler weather in the next days in San Fernando with the forecast suggesting a temperature of 30.9 °C, lower than the historical average.

  • In general, the average temperature in San Fernando at the beginning of September is 31.7 °C. As the month progressed, temperatures tended to moderately fall, reaching an average of 30 °C by the end of September.

    • Rain 🌧️

  • San Fernando experiences heavy rainfall in September, with over 20 rainy days and an average total precipitation 156.1 mm.

Average dry days
4
Dry days
Average rainy days
26
Rainy days
Average snowy days
0
Snow days
Average temperatures
32°/25°
Temperatures
Average wind speed
14 km/h
Avg max wind
Average humidity
77 %
Avg humidity

San Fernando Weather September

Move between months or click on a day
August
October
Mon.Tue.Wed.Thu.Fri.Sat.Sun.
1
Light rain shower
31°
2
Patchy light rain with thunder
31°
3
Patchy rain possible
32°
4
Patchy rain possible
32°
5
Patchy rain possible
32°
6
Patchy rain possible
32°
7
Light rain shower
32°
8
Patchy rain possible
33°
9
Patchy rain possible
33°
10
Patchy light drizzle
33°
11
Moderate or heavy rain shower
31°
12
Cloudy
32°
13
Partly cloudy
32°
14
Partly cloudy
32°
15
Patchy rain possible
33°
16
Patchy rain possible
32°
17
Patchy rain possible
33°
18
Patchy rain possible
32°
19
Moderate rain
32°
20
Moderate rain
31°
21
Patchy rain possible
32°
22
Patchy rain possible
32°
23
Patchy rain possible
30°
24
Moderate rain
27°
25
Patchy rain possible
31°
26
Partly cloudy
31°
27
Patchy rain possible
30°
28
Patchy rain possible
30°
29
Patchy rain possible
29°
30
Light rain shower
32°

Temperatures trend during September in San Fernando

See the weather trend as well as the moving average line

September weather in San Fernando day by day

Click on a date for more information
August October
Date Weather Temperatures Rain UV More
1 Sept. Light rain shower
Light rain shower
 31° /23° 9.6 mm 7
2 Sept. Patchy light rain with thunder
Patchy light rain with thunder
 31° /23° 5.8 mm 7
3 Sept. Patchy rain possible
Patchy rain possible
 32° /24° 2 mm 7
4 Sept. Patchy rain possible
Patchy rain possible
 32° /24° 2.8 mm 7
5 Sept. Patchy rain possible
Patchy rain possible
 32° /24° 0.7 mm 7
6 Sept. Patchy rain possible
Patchy rain possible
 32° /24° 6 mm 7
7 Sept. Light rain shower
Light rain shower
 32° /23° 2.7 mm 7
8 Sept. Patchy rain possible
Patchy rain possible
 33° /24° 2.4 mm 7
9 Sept. Patchy rain possible
Patchy rain possible
 33° /24° 3.5 mm 7
10 Sept. Patchy light drizzle
Patchy light drizzle
 33° /24° 5.5 mm 7
11 Sept. Moderate or heavy rain shower
Moderate or heavy rain shower
 31° /24° 15.3 mm 7
12 Sept. Cloudy
Cloudy
 32° /24° 8.7 mm 7
13 Sept. Partly cloudy
Partly cloudy
 32° /24° 2.8 mm 7
14 Sept. Partly cloudy
Partly cloudy
 32° /24° 6.5 mm 7
15 Sept. Patchy rain possible
Patchy rain possible
 33° /24° 0.9 mm 7
16 Sept. Patchy rain possible
Patchy rain possible
 32° /24° 0.7 mm 2.8
17 Sept. Patchy rain possible
Patchy rain possible
 33° /24° 0.6 mm 2.9
18 Sept. Patchy rain possible
Patchy rain possible
 32° /25° 0.3 mm 2.8
19 Sept. Moderate rain
Moderate rain
 32° /25° 6.2 mm 3
20 Sept. Moderate rain
Moderate rain
 31° /24° 17.6 mm 0.3
21 Sept. Patchy rain possible
Patchy rain possible
 32° /25° 0.5 mm 6
22 Sept. Patchy rain possible
Patchy rain possible
 32° /25° 0.8 mm 6
23 Sept. Patchy rain possible
Patchy rain possible
 30° /25° 3 mm 6
24 Sept. Moderate rain
Moderate rain
 27° /25° 13.8 mm 6
25 Sept. Patchy rain possible
Patchy rain possible
 31° /26° 1.1 mm 6
26 Sept. Partly cloudy
Partly cloudy
 31° /25° 0 mm 7
27 Sept. Patchy rain possible
Patchy rain possible
 30° /25° 1.1 mm 6
28 Sept. Patchy rain possible
Patchy rain possible
 30° /25° 1 mm 6
29 Sept. Patchy rain possible
Patchy rain possible
 29° /24° 1 mm 6
30 Sept. Light rain shower
Light rain shower
 32° /24° 2.8 mm 7
Next
Important Notice
Our weather forecast for San Fernando 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 San Fernando forecast closer to your planned date for the most up-to-date weather information.
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San Fernando in September - FAQ

What are the expected maximum and minimum temperatures in San Fernando during September?
During September, expect a variety of temperatures with highs around 32° and lows near 25°, suitable for diverse activities and preferences.
How much rainfall should be expected in San Fernando during September?
Significant rainfall exceeding 156.1 mm is expected in San Fernando during September, occurring over more than 26 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in San Fernando during September?
The average wind speed in San Fernando during September is 14 km/h, suggesting breezy to windy conditions, depending on your activities.

September rainfall patterns in San Fernando

Explore the daily rainfall trends and prepare for San Fernandos September weather 💧

UV exposure in San Fernando during September

Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
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Location coordinates Where is San Fernando?

Get accurate weather forecasts for San Fernando, located at latitude 10.28 and longitude -61.446. Stay updated with localized weather information tailored for San Fernando.

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