The climate in São Teotónio during September can be summarized as warm and dry.
September is in the fall / autumn in São Teotónio and is typically the 3rd warmest month of the year. Daytime maximum temperatures average around a comfortable 26°C (79°F), whilst at night 17°C (63°F) is normal.
Daytime temperature | 26.3°C 79.3°F |
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Nightly temperature | 17.2°C 62.9°F |
Average temperature | 21.7°C 71.1°F |
Daily sunshine | 9.3 hrs |
Avg rainfall | 18 mm 0.7 ins |
Rainy days | 3 days |
Sea temperature | 21°C 69.9°F |
Humidity | 65% |
Windspeed | 13kph 8 mph |
On average September is the 4th driest month of the year in São Teotónio with around 18mm 0.7 inches of rain making it a dry time to visit. This rainfall is typically spread over 3 days, although this may vary considerably.
On the flip side this corresponds to an average of 9.3 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 Teotónio in September 2025.
Best places to visit in September
Hottest month: | August | 27°C 80.6°F |
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Driest month: | July | 2mm 0.1ins |
Sunniest month: | August | 11.8hrs |
Coldest month: | January | 14.9°C 58.8°F |
Wettest month: | December | 98mm 3.9ins |