The climate in San Fernando during September can be summarized as hot and dry.
September is in the fall / autumn in San Fernando and is typically the 3rd warmest month of the year. Daytime maximum temperatures average around a comfortable 27°C (81°F), whilst at night 19°C (67°F) is normal.
Daytime temperature | 27.3°C 81.1°F |
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Nightly temperature | 19.4°C 66.8°F |
Average temperature | 23.3°C 73.9°F |
Daily sunshine | 9.4 hrs |
Avg rainfall | 15 mm 0.6 ins |
Rainy days | 4 days |
Sea temperature | 22°C 71.6°F |
Humidity | 70% |
Windspeed | 15.1kph 9 mph |
On average September is the 4th driest month of the year in San Fernando with around 15mm 0.6 inches of rain making it a dry time to visit. This rainfall is typically spread over 4 days, although this may vary considerably.
On the flip side this corresponds to an average of 9.4 hours of sunshine per day.
The data used in these monthly averages covers a period of over 100 years right up until last year. As such they are a valid prediction of what to expect for the weather in San Fernando in September 2025.
Best places to visit in September
Hottest month: | August | 28.4°C 83.1°F |
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Driest month: | July | 0mm 0ins |
Sunniest month: | August | 11.7hrs |
Coldest month: | January | 15.5°C 59.9°F |
Wettest month: | November | 108mm 4.3ins |