San Gil Weather in September
What's the weather like in San Gil (Santander) in September 2025?
The climate in San Gil during September can be summarized as warm and very wet.
September is in the fall / autumn in San Gil and is typically the 6th warmest month of the year. Daytime maximum temperatures average around 25°C (77°F), whilst at night 15°C (58°F) is normal.
| Daytime temperature | 25.2°C 77.3°F |
|---|---|
| Nightly temperature | 14.7°C 58.4°F |
| Average temperature | 19.9°C 67.8°F |
| Daily sunshine | 5.2 hrs |
| Avg rainfall | 235 mm 9.3 ins |
| Rainy days | 19 days |
| Sea temperature | 28°C 82.5°F |
| Humidity | 81% |
| Windspeed | 11.5kph 7 mph |
On average September is the 4th wettest month of the year in San Gil with around 235mm 9.3 inches of rain making it a very wet time to visit. This rainfall is typically spread over 19 days, although this may vary considerably.
On the flip side this corresponds to an average of 5.2 hours of sunshine per day.
September temperatures in San Gil
September rainfall
September hourly sunshine
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 Gil in September 2025.
Other monthly averages
Best places to visit in September
San Gil weather stats
| Hottest month: | March | 26.1°C 79°F |
|---|---|---|
| Driest month: | January | 80mm 3.1ins |
| Sunniest month: | January | 7.6hrs |
| Coldest month: | July | 24.5°C 76.1°F |
| Wettest month: | October | 325mm 12.8ins |
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