The climate in Manteigas during September can be summarized as mild and reasonably dry.
September is in the fall / autumn in Manteigas and is typically the 3rd warmest month of the year. Daytime maximum temperatures average around a comfortable 21°C (70°F), whilst at night 12°C (53°F) is normal.
Daytime temperature | 21.1°C 69.9°F |
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Nightly temperature | 11.8°C 53.2°F |
Average temperature | 16.4°C 61.5°F |
Daily sunshine | 8.4 hrs |
Avg rainfall | 58 mm 2.3 ins |
Rainy days | 9 days |
Sea temperature | 18.9°C 66.1°F |
Humidity | 62% |
Windspeed | 14.4kph 9 mph |
On average September is the 3rd driest month of the year in Manteigas with around 58mm 2.3 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 8.4 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 Manteigas in September 2025.
Best places to visit in September
Hottest month: | July | 23.6°C 74.5°F |
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Driest month: | August | 15mm 0.6ins |
Sunniest month: | August | 11.6hrs |
Coldest month: | January | 7.2°C 45°F |
Wettest month: | December | 211mm 8.3ins |