Bolívar Weather in September

What's the weather like in Bolívar (Santander) in September 2025?

The climate in Bolívar during September can be summarized as mild and very wet.

September is in the fall / autumn in Bolívar and is typically the 6th coldest month of the year. Daytime maximum temperatures average around 22°C (72°F), whilst at night 13°C (55°F) is normal.

Bolívar weather averages (imperial / metric)
Daytime temperature 22.1°C 71.8°F
Nightly temperature 12.5°C 54.5°F
Average temperature 17.3°C 63.1°F
Daily sunshine 4.9 hrs
Avg rainfall 251 mm 9.9 ins
Rainy days 18 days
Sea temperature 27.5°C 81.5°F
Humidity 81%
Windspeed 11.2kph 7 mph

On average September is the 5th wettest month of the year in Bolívar with around 251mm 9.9 inches of rain making it a very wet time to visit. This rainfall is typically spread over 18 days, although this may vary considerably.

On the flip side this corresponds to an average of 4.9 hours of sunshine per day.

September temperatures in Bolívar

Bolívar average temperature in September

September rainfall

Bolívar average rain in September

September hourly sunshine

Bolívar 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 Bolívar in September 2025.

Other monthly averages

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Bolívar weather stats

Bolívar weather statistics
Hottest month: March 22.6°C 72.7°F
Driest month: January 90mm 3.5ins
Sunniest month: January 7hrs
Coldest month: July 21.5°C 70.7°F
Wettest month: May 350mm 13.8ins
Map showing location of Bolívar (5.98943, -73.77021) Bolívar map pin © Google

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