Villa Bisonó Weather in September
What's the weather like in Villa Bisonó (Santiago) in September 2025?
The climate in Villa Bisonó during September can be summarized as hot, humid and damp.
September is in the fall / autumn in Villa Bisonó and is typically the 2nd warmest month of the year. Daytime maximum temperatures average around a steamy 34°C (92°F), whilst at night 21°C (70°F) is normal.
| Daytime temperature | 33.5°C 92.3°F |
|---|---|
| Nightly temperature | 21.1°C 70°F |
| Average temperature | 27.3°C 81.1°F |
| Daily sunshine | 7.5 hrs |
| Avg rainfall | 108 mm 4.3 ins |
| Rainy days | 15 days |
| Sea temperature | 29°C 84.2°F |
| Humidity | 74% |
| Windspeed | 9.7kph 6 mph |
On average September is the 6th wettest month of the year in Villa Bisonó with around 108mm 4.3 inches of rain making it a damp time to visit. This rainfall is typically spread over 15 days, although this may vary considerably.
On the flip side this corresponds to an average of 7.5 hours of sunshine per day.
September temperatures in Villa Bisonó
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 Villa Bisonó in September 2025.
Other monthly averages
Best places to visit in September
Villa Bisonó weather stats
| Hottest month: | August | 33.4°C 92.1°F |
|---|---|---|
| Driest month: | July | 48mm 1.9ins |
| Sunniest month: | August | 8.6hrs |
| Coldest month: | January | 28.3°C 82.9°F |
| Wettest month: | May | 166mm 6.5ins |
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