Santo Domingo Weather in September
What's the weather like in Santo Domingo (Departamento de Antioquia) in September 2025?
The climate in Santo Domingo during September can be summarized as warm, humid and very wet.
September is in the fall / autumn in Santo Domingo and is typically the 5th coldest month of the year. Daytime maximum temperatures average around a muggy 26°C (79°F), whilst at night 16°C (60°F) is normal.
| Daytime temperature | 26.2°C 79.2°F |
|---|---|
| Nightly temperature | 15.8°C 60.4°F |
| Average temperature | 21°C 69.8°F |
| Daily sunshine | 5.5 hrs |
| Avg rainfall | 318 mm 12.5 ins |
| Rainy days | 23 days |
| Sea temperature | 28°C 82.4°F |
| Humidity | 82% |
| Windspeed | 11.5kph 7 mph |
On average September is the 3rd wettest month of the year in Santo Domingo with around 318mm 12.5 inches of rain making it a very wet time to visit. This rainfall is typically spread over 23 days, although this may vary considerably.
On the flip side this corresponds to an average of 5.5 hours of sunshine per day.
September temperatures in Santo Domingo
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 Santo Domingo in September 2025.
Other monthly averages
Best places to visit in September
Santo Domingo weather stats
| Hottest month: | March | 26.2°C 79.2°F |
|---|---|---|
| Driest month: | January | 77mm 3ins |
| Sunniest month: | July | 7.1hrs |
| Coldest month: | December | 25°C 77°F |
| Wettest month: | May | 366mm 14.4ins |
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