San Fernando (Mon Repos)
September
Weather in San Fernando for September 2025
Your guide to San Fernando weather in September - trends and predictions
In general, the average temperature in San Fernando at the beginning of September is 31.9 °C. As the month progressed, temperatures tended to slightly increase, reaching an average of 32.3 °C by the end of September.
San Fernando experiences an exceptionally high level of rainfall in September, with more than 20 rainy days on average.
Is September a good time to visit San Fernando? check out the best time to travel to San Fernando page.
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8
Dry days
22
Rainy days
0
Snow days
33°/25°
Temperatures
15 km/h
Avg max wind
76 %
Avg humidity
San Fernando in September average weather
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| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  30° | 2  31° | 3 32° | 4 32° | 5 33° | 6 33° | 7 32° |
| 8 33° | 9 33° | 10 33° | 11  32° | 12  32° | 13 33° | 14 33° |
| 15 34° | 16 33° | 17 33° | 18 33° | 19 33° | 20 33° | 21 33° |
| 22  32° | 23 32° | 24  33° | 25 33° | 26 31° | 27 32° | 28 33° |
| 29 32° | 30 32° |
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Temperatures trend during September in San Fernando
See the weather trend as well as the moving average line
September weather day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Sept. | Light rain shower | 30° /23° | 14.5 mm | 7 | |
| 2 Sept. | Patchy light rain with thunder | 31° /23° | 8.6 mm | 7 | |
| 3 Sept. | Patchy rain possible | 32° /24° | 3.1 mm | 7 | |
| 4 Sept. | Patchy rain possible | 32° /24° | 1.5 mm | 7 | |
| 5 Sept. | Patchy rain possible | 33° /24° | 0.1 mm | 7 | |
| 6 Sept. | Patchy rain possible | 33° /24° | 0.9 mm | 7 | |
| 7 Sept. | Light rain shower | 32° /24° | 3.1 mm | 7 | |
| 8 Sept. | Patchy rain possible | 33° /24° | 2.2 mm | 7 | |
| 9 Sept. | Patchy rain possible | 33° /24° | 3.9 mm | 7 | |
| 10 Sept. | Patchy rain possible | 33° /24° | 6.5 mm | 7 | |
| 11 Sept. | Partly cloudy | 32° /25° | 12.8 mm | 8 | |
| 12 Sept. | Cloudy | 32° /25° | 10.2 mm | 7 | |
| 13 Sept. | Partly cloudy | 33° /25° | 0.1 mm | 8 | |
| 14 Sept. | Partly cloudy | 33° /25° | 0.1 mm | 8 | |
| 15 Sept. | Cloudy | 34° /25° | 1.3 mm | 7 | |
| 16 Sept. | Patchy rain possible | 33° /24° | 5.6 mm | 7 | |
| 17 Sept. | Partly cloudy | 33° /24° | 5.6 mm | 8 | |
| 18 Sept. | Patchy rain possible | 33° /24° | 2.2 mm | 7 | |
| 19 Sept. | Patchy rain possible | 33° /25° | 1.3 mm | 7 | |
| 20 Sept. | Light rain shower | 33° /25° | 1.9 mm | 7 | |
| 21 Sept. | Patchy light rain with thunder | 33° /25° | 7 mm | 7 | |
| 22 Sept. | Moderate or heavy rain shower | 32° /24° | 11.6 mm | 8 | |
| 23 Sept. | Moderate or heavy rain shower | 32° /25° | 4.9 mm | 7 | |
| 24 Sept. | Patchy light drizzle | 33° /25° | 1.9 mm | 7 | |
| 25 Sept. | Patchy light rain with thunder | 33° /24° | 7.2 mm | 7 | |
| 26 Sept. | Light rain shower | 31° /25° | 21.2 mm | 7 | |
| 27 Sept. | Patchy light rain with thunder | 32° /25° | 3.4 mm | 7 | |
| 28 Sept. | Patchy light drizzle | 33° /24° | 9.2 mm | 7 | |
| 29 Sept. | Patchy rain possible | 32° /25° | 1.3 mm | 7 | |
| 30 Sept. | Light rain shower | 32° /24° | 2.8 mm | 7 | |
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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.
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 33° and lows near 25°, suitable for diverse activities and preferences.
How much rainfall should be expected in San Fernando during September?
Significant rainfall exceeding 119.1 mm is expected in San Fernando during September, occurring over more than 22 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 15 km/h, suggesting breezy to windy conditions, depending on your activities.
What to pack to San Fernando in September?
As you prepare for your trip to San Fernando in September, it's important to consider the typical weather patterns for the time of year. Below is a carefully tailored packing list to ensure that your time in San Fernando, during September, is comfortable and enjoyable, regardless of the weather conditions.
- Clothing
- Lightweight Clothing: T-shirts, blouses, shorts, skirts
- Rain Gear: Lightweight, waterproof clothing
- Footwear
- Waterproof Shoes
- Sandals/Flip-flops: Comfortable for warm climates
- Accessories
- Sunglasses: For sun protection
- Sun Hats: Wide-brimmed hats for sun protection in warm weather
- Umbrellas/Raincoats: For rainy days
- Personal Items
- Sunscreen: High SPF for sunny destinations
- Lip Balm with SPF: To protect against chapped lips
- Insect Repellent: For destinations with mosquitos or other insects
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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