Trinidad Weather in September

What's the weather like in Trinidad (Casanare) in September 2025?

The climate in Trinidad during September can be summarized as hot, humid and very wet.

September is in the fall / autumn in Trinidad and is typically the 5th coldest month of the year. Daytime maximum temperatures average around a steamy 31°C (88°F), whilst at night 22°C (72°F) is normal.

Trinidad weather averages (imperial / metric)
Daytime temperature 31.3°C 88.3°F
Nightly temperature 22.1°C 71.8°F
Average temperature 26.7°C 80.1°F
Daily sunshine 5.4 hrs
Avg rainfall 278 mm 11 ins
Rainy days 16 days
Sea temperature 27.6°C 81.7°F
Humidity 82%
Windspeed 7.6kph 5 mph

On average September is the 6th wettest month of the year in Trinidad with around 278mm 11 inches of rain making it a very wet time to visit. This rainfall is typically spread over 16 days, although this may vary considerably.

On the flip side this corresponds to an average of 5.4 hours of sunshine per day.

September temperatures in Trinidad

Trinidad average temperature in September

September rainfall

Trinidad average rain in September

September hourly sunshine

Trinidad 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 Trinidad in September 2025.

Other monthly averages

Best places to visit in September

UV index Best time to go?

Trinidad weather stats

Trinidad weather statistics
Hottest month: March 33.8°C 92.8°F
Driest month: January 14mm 0.6ins
Sunniest month: January 8.1hrs
Coldest month: July 29.8°C 85.6°F
Wettest month: June 410mm 16.1ins
Map showing location of Trinidad (5.43056, -71.63111) Trinidad map pin © Google

Top Colombia locations