Weather in San Fernando for September 2025
Yellow High Temperature Warning - See hour by hour.
So far, September 2025 in San Fernando is slightly warmer than the historical average by 1.2 °C.
The forecast for the next days in San Fernando predicts temperatures to be around 25 °C, close to the historical average.
In general, the average temperature in San Fernando at the beginning of September is 25.9 °C. As the month progressed, temperatures tended to noticeably cool down, reaching an average of 23.7 °C by the end of September.
With an average of 2 rainy days, San Fernando experiences minimal rainfall in September.
Is September a good time to visit San Fernando? check out the best time to travel to San Fernando page.
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San Fernando Weather September
Temperatures trend during September in San Fernando
September weather in San Fernando day by day
| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Sept. |  Partly cloudy | 25° /20° | 0.1 mm | 6 | |
| 2 Sept. |  Sunny | 26° /20° | 0.1 mm | 6 | |
| 3 Sept. | Sunny | 25° /19° | 5.5 mm | 6 | |
| 4 Sept. | Sunny | 25° /20° | 0.3 mm | 6 | |
| 5 Sept. | Sunny | 27° /20° | 0 mm | 7 | |
| 6 Sept. | Sunny | 27° /21° | 0 mm | 7 | |
| 7 Sept. |  Overcast | 26° /20° | 0.1 mm | 6 | |
| 8 Sept. | Sunny | 25° /20° | 0 mm | 6 | |
| 9 Sept. | Partly cloudy | 23° /19° | 0 mm | 6 | |
| 10 Sept. | Sunny | 24° /19° | 0 mm | 6 | |
| 11 Sept. | Sunny | 25° /19° | 0 mm | 6 | |
| 12 Sept. | Sunny | 26° /20° | 0 mm | 7 | |
| 13 Sept. | Sunny | 27° /20° | 0 mm | 7 | |
| 14 Sept. | Sunny | 29° /21° | 0 mm | 7 | |
| 15 Sept. |  Thundery outbreaks possible | 27° /21° | 0 mm | 6 | |
| 16 Sept. | Sunny | 30° /21° | 0 mm | 1.7 | |
| 17 Sept. | Sunny | 30° /22° | 0 mm | 1.7 | |
| 18 Sept. | Partly cloudy | 30° /23° | 0 mm | 1.4 | |
| 19 Sept. | Sunny | 30° /23° | 0 mm | 1.1 | |
| 20 Sept. | Partly cloudy | 27° /22° | 0 mm | 1.1 | |
| 21 Sept. | Sunny | 26° /21° | 0 mm | 6 | |
| 22 Sept. | Sunny | 22° /17° | 0 mm | 6 | |
| 23 Sept. | Partly cloudy | 22° /18° | 0 mm | 6 | |
| 24 Sept. | Partly cloudy | 25° /20° | 0 mm | 6 | |
| 25 Sept. | Sunny | 25° /19° | 0 mm | 6 | |
| 26 Sept. | Sunny | 23° /19° | 0 mm | 6 | |
| 27 Sept. |  Patchy rain possible | 22° /19° | 0.2 mm | 5 | |
| 28 Sept. | Sunny | 21° /17° | 0 mm | 5 | |
| 29 Sept. | Sunny | 22° /16° | 0 mm | 5 | |
| 30 Sept. | Sunny | 28° /19° | 0 mm | 7 | |
| Next | |||||
San Fernando weather in September vs August vs October
| August | September | October | |
|---|---|---|---|
| Weather | Sunny | Sunny | Patchy rain possible |
| Temperatures | 30°/22° | 25°/20° | 23°/18° |
| Rainfall | 0 mm | 12 mm | 151 mm |
| Wind | 20.9 km/h | 23.2 km/h | 27.3 km/h |
| Humidity | 62% | 68% | 71% |
| Rainy days | 0 days | 2 days | 17 days |
| Dry days | 31 days | 28 days | 14 days |
Planning a trip to San Fernando? Discover the best time to visit
San Fernando in September - FAQ
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
- Layered Clothing: Light sweaters, long-sleeve shirts, light jackets, and comfortable pants
- Accessories
- Sunglasses: For sun protection
- Sun Hats: Wide-brimmed hats for sun protection in warm weather
September rainfall patterns in San Fernando
UV exposure in San Fernando during September
Quick links
Where is San Fernando?Get accurate weather forecasts for San Fernando, located at latitude 36.476 and longitude -6.198. Stay updated with localized weather information tailored for San Fernando.