The climate in São João do Piauí during September can be summarized as very hot and very dry.
September is in the spring in São João do Piauí and is typically the 3rd warmest month of the year. Daytime maximum temperatures average around a warm 35°C (95°F), whilst at night 23°C (73°F) is normal.
Daytime temperature | 35.1°C 95.1°F |
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Nightly temperature | 23°C 73.3°F |
Average temperature | 29°C 84.2°F |
Daily sunshine | 10 hrs |
Avg rainfall | 5 mm 0.2 ins |
Rainy days | 12 days |
Sea temperature | 25.5°C 78°F |
Humidity | 44% |
Windspeed | 11.9kph 7 mph |
On average September is the 4th driest month of the year in São João do Piauí with around 5mm 0.2 inches of rain making it a very dry time to visit.
On the flip side this corresponds to an average of 10 hours of sunshine per day.
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 São João do Piauí in September 2024.
Best places to visit in September
Hottest month: | October | 34.6°C 94.3°F |
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Driest month: | August | 1mm 0ins |
Sunniest month: | August | 10.1hrs |
Coldest month: | July | 32.1°C 89.8°F |
Wettest month: | March | 149mm 5.9ins |