Rio Bonito Weather in September

What's the weather like in Rio Bonito (Rio de Janeiro) in September 2024?

The climate in Rio Bonito during September can be summarized as warm, humid and reasonably dry.

September is in the spring in Rio Bonito and is typically the 4th coldest month of the year. Daytime maximum temperatures average around a muggy 25°C (77°F), whilst at night 17°C (62°F) is normal.

Rio Bonito weather averages (imperial / metric)
Daytime temperature 24.9°C 76.8°F
Nightly temperature 16.7°C 62.1°F
Average temperature 20.8°C 69.4°F
Daily sunshine 5.3 hrs
Avg rainfall 65 mm 2.6 ins
Rainy days 12 days
Sea temperature 22.3°C 72.2°F
Humidity 80%
Windspeed 9.4kph 6 mph

On average September is the 4th driest month of the year in Rio Bonito with around 65mm 2.6 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 12 days, although this may vary considerably.

On the flip side this corresponds to an average of 5.3 hours of sunshine per day.

September temperatures in Rio Bonito

Rio Bonito average temperature in September

September rainfall

Rio Bonito average rain in September

September hourly sunshine

Rio Bonito 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 Rio Bonito in September 2024.

Other monthly averages

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Rio Bonito weather stats

Rio Bonito weather statistics
Hottest month: February 29.6°C 85.3°F
Driest month: July 43mm 1.7ins
Sunniest month: July 6.6hrs
Coldest month: July 24°C 75.2°F
Wettest month: December 182mm 7.2ins
Map showing location of Rio Bonito (-22.70861, -42.60972) Rio Bonito map pin © Google

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