The climate in Leça do Bailio during September can be summarized as warm and reasonably dry.
September is in the fall / autumn in Leça do Bailio and is typically the 3rd warmest month of the year. Daytime maximum temperatures average around 24°C (75°F), whilst at night 14°C (56°F) is normal.
Daytime temperature | 23.9°C 74.9°F |
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Nightly temperature | 13.6°C 56.4°F |
Average temperature | 18.7°C 65.7°F |
Daily sunshine | 8 hrs |
Avg rainfall | 65 mm 2.5 ins |
Rainy days | 9 days |
Sea temperature | 18.5°C 65.3°F |
Humidity | 75% |
Windspeed | 13.7kph 9 mph |
On average September is the 4th driest month of the year in Leça do Bailio with around 65mm 2.5 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 9 days, although this may vary considerably.
On the flip side this corresponds to an average of 8 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 Leça do Bailio in September 2025.
Best places to visit in September
Hottest month: | July | 24.6°C 76.3°F |
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Driest month: | July | 17mm 0.7ins |
Sunniest month: | August | 10.2hrs |
Coldest month: | January | 13°C 55.4°F |
Wettest month: | January | 179mm 7ins |