Piraí Weather in September

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

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

September is in the spring in Piraí and is typically the 4th coldest month of the year. Daytime maximum temperatures average around a muggy 27°C (80°F), whilst at night 16°C (61°F) is normal.

Piraí weather averages (imperial / metric)
Daytime temperature 26.9°C 80.4°F
Nightly temperature 16.3°C 61.3°F
Average temperature 21.6°C 70.9°F
Daily sunshine 4.8 hrs
Avg rainfall 79 mm 3.1 ins
Rainy days 10 days
Sea temperature 21.9°C 71.5°F
Humidity 78%
Windspeed 8.6kph 5 mph

On average September is the 5th driest month of the year in Piraí with around 79mm 3.1 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 10 days, although this may vary considerably.

On the flip side this corresponds to an average of 4.8 hours of sunshine per day.

September temperatures in Piraí

Piraí average temperature in September

September rainfall

Piraí average rain in September

September hourly sunshine

Piraí 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 Piraí in September 2024.

Other monthly averages

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Piraí weather stats

Piraí weather statistics
Hottest month: February 31.3°C 88.3°F
Driest month: July 42mm 1.7ins
Sunniest month: July 6.3hrs
Coldest month: July 25.4°C 77.7°F
Wettest month: January 231mm 9.1ins
Map showing location of Piraí (-22.62917, -43.89806) Piraí map pin © Google

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