The climate in Alvor during September can be summarized as warm and dry.
September is in the fall / autumn in Alvor and is typically the 3rd warmest month of the year. Daytime maximum temperatures average around a comfortable 26°C (78°F), whilst at night 18°C (64°F) is normal.
Daytime temperature | 25.8°C 78.4°F |
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Nightly temperature | 17.6°C 63.7°F |
Average temperature | 21.7°C 71.1°F |
Daily sunshine | 9.5 hrs |
Avg rainfall | 15 mm 0.6 ins |
Rainy days | 3 days |
Sea temperature | 21°C 69.9°F |
Humidity | 67% |
Windspeed | 13kph 8 mph |
On average September is the 3rd driest month of the year in Alvor with around 15mm 0.6 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 9.5 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 Alvor in September 2025.
Best places to visit in September
Hottest month: | August | 26.1°C 79°F |
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Driest month: | July | 1mm 0ins |
Sunniest month: | August | 11.8hrs |
Coldest month: | January | 15.4°C 59.7°F |
Wettest month: | December | 99mm 3.9ins |