The climate in Portalegre during September can be summarized as warm and reasonably dry.
September is in the fall / autumn in Portalegre and is typically the 3rd warmest month of the year. Daytime maximum temperatures average around a comfortable 28°C (81°F), whilst at night 16°C (61°F) is normal.
Daytime temperature | 27.5°C 81.4°F |
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Nightly temperature | 16.2°C 61.1°F |
Average temperature | 21.8°C 71.2°F |
Daily sunshine | 8.7 hrs |
Avg rainfall | 38 mm 1.5 ins |
Rainy days | 7 days |
Sea temperature | 19.9°C 67.8°F |
Humidity | 55% |
Windspeed | 11.9kph 7 mph |
On average September is the 4th driest month of the year in Portalegre with around 38mm 1.5 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 7 days, although this may vary considerably.
On the flip side this corresponds to an average of 8.7 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 Portalegre in September 2024.
Best places to visit in September
Hottest month: | August | 30.4°C 86.7°F |
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Driest month: | July | 6mm 0.2ins |
Sunniest month: | August | 11.8hrs |
Coldest month: | January | 12.1°C 53.8°F |
Wettest month: | January | 109mm 4.3ins |