San Fernando (Mon Repos)
September
Weather in San Fernando for September 2026
Your guide to San Fernando weather in September - trends and predictions
Until now, September 2026 in San Fernando has been nearly identical to the historical average, with a temperature of 32.1 °C (showing only a slight deviation of 0.2 °C).
Expect cooler weather in the next days in San Fernando with the forecast suggesting a temperature of 32 °C, lower than the historical average.
In general, the average temperature in San Fernando at the beginning of September is 32 °C. As the month progressed, temperatures tended to moderately rise, reaching an average of 33 °C by the end of September.
San Fernando in September brings notable rainfall, with an average of 19 rainy days and a total precipitation of 149.8 mm.
Temperatures
Rain 🌧️
11
Dry days
19
Rainy days
0
Snow days
32°/24°
Temperatures
14 km/h
Avg max wind
78 %
Avg humidity
San Fernando Weather September
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Temperatures trend during September in San Fernando
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September weather in San Fernando day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Sept. |  Patchy rain possible | 31° /23° | 7.3 mm | 6 | |
| 2 Sept. |  Patchy light rain with thunder | 32° /23° | 4.5 mm | 7 | |
| 3 Sept. | Patchy rain possible | 32° /24° | 2.3 mm | 8 | |
| 4 Sept. | Patchy rain possible | 32° /24° | 2.8 mm | 7 | |
| 5 Sept. | Patchy rain possible | 33° /24° | 0.9 mm | 9 | |
| 6 Sept. | Patchy rain possible | 32° /24° | 4.5 mm | 8 | |
| 7 Sept. | Light rain shower | 32° /23° | 2 mm | 9 | |
| 8 Sept. | Patchy rain possible | 33° /24° | 1.9 mm | 8 | |
| 9 Sept. | Patchy rain possible | 33° /24° | 4.1 mm | 8 | |
| 10 Sept. |  Patchy light drizzle | 32° /24° | 5.4 mm | 6 | |
| 11 Sept. |  Moderate or heavy rain shower | 31° /24° | 12.6 mm | 7 | |
| 12 Sept. |  Cloudy | 31° /24° | 14.3 mm | 6 | |
| 13 Sept. |  Partly cloudy | 32° /24° | 3.5 mm | 7 | |
| 14 Sept. | Partly cloudy | 32° /24° | 5.5 mm | 7 | |
| 15 Sept. | Patchy rain possible | 33° /24° | 1.6 mm | 8 | |
| 16 Sept. | Patchy rain possible | 33° /24° | 3.6 mm | 8 | |
| 17 Sept. | Partly cloudy | 33° /24° | 3 mm | 7 | |
| 18 Sept. | Patchy rain possible | 33° /24° | 2.2 mm | 7 | |
| 19 Sept. | Patchy rain possible | 33° /24° | 1.2 mm | 8 | |
| 20 Sept. | Light rain shower | 33° /25° | 1.7 mm | 8 | |
| 21 Sept. | Patchy light rain with thunder | 32° /24° | 6.2 mm | 7 | |
| 22 Sept. | Moderate or heavy rain shower | 33° /24° | 6.4 mm | 9 | |
| 23 Sept. | Moderate or heavy rain shower | 32° /24° | 4.9 mm | 8 | |
| 24 Sept. | Patchy light drizzle | 32° /25° | 1.9 mm | 6 | |
| 25 Sept. | Patchy light rain with thunder | 33° /24° | 3.7 mm | 6 | |
| 26 Sept. | Light rain shower | 31° /24° | 14.1 mm | 7 | |
| 27 Sept. |  Sunny | 34° /25° | 0.9 mm | 12.4 | |
| 28 Sept. |  Overcast | 34° /25° | 1.4 mm | 11.2 | |
| 29 Sept. | Sunny | 34° /25° | 1.7 mm | 12 | |
| 30 Sept. | Sunny | 33° /25° | 0.1 mm | 12.4 | |
| 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.
Change Month
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 24°, suitable for diverse activities and preferences.
How much rainfall should be expected in San Fernando during September?
Significant rainfall exceeding 149.8 mm is expected in San Fernando during September, occurring over more than 19 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 💧
Typically, San Fernando has 19 rainy days in September with a total of 149.8 mm of rainfall.
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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