Tamboril Weather in September

What's the weather like in Tamboril (Santiago) in September 2025?

The climate in Tamboril during September can be summarized as hot, humid and damp.

September is in the fall / autumn in Tamboril and is typically the warmest month of the year. Daytime maximum temperatures average around a steamy 33°C (91°F), whilst at night 21°C (70°F) is normal.

Tamboril weather averages (imperial / metric)
Daytime temperature 32.5°C 90.5°F
Nightly temperature 20.9°C 69.6°F
Average temperature 26.7°C 80.1°F
Daily sunshine 7.4 hrs
Avg rainfall 106 mm 4.2 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 Tamboril with around 106mm 4.2 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 7.4 hours of sunshine per day.

September temperatures in Tamboril

Tamboril average temperature in September

September rainfall

Tamboril average rain in September

September hourly sunshine

Tamboril average rain in September

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 Tamboril in September 2025.

Other monthly averages

Best places to visit in September

UV index Best time to go?

Tamboril weather stats

Tamboril weather statistics
Hottest month: September 32.2°C 90°F
Driest month: February 74mm 2.9ins
Sunniest month: August 8.5hrs
Coldest month: January 27.8°C 82°F
Wettest month: May 175mm 6.9ins
Map showing location of Tamboril (19.48538, -70.61104) Tamboril map pin © Google

Locations nearby

Top Dominican Republic locations