The climate in Loulé during September can be summarized as warm and dry.
September is in the fall / autumn in Loulé and is typically the 3rd warmest month of the year. Daytime maximum temperatures average around a comfortable 27°C (80°F), whilst at night 17°C (62°F) is normal.
Daytime temperature | 26.5°C 79.6°F |
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Nightly temperature | 16.8°C 62.2°F |
Average temperature | 21.6°C 70.9°F |
Daily sunshine | 9.6 hrs |
Avg rainfall | 15 mm 0.6 ins |
Rainy days | 2 days |
Sea temperature | 21°C 69.9°F |
Humidity | 65% |
Windspeed | 13kph 8 mph |
On average September is the 3rd driest month of the year in Loulé with around 15mm 0.6 inches of rain making it a dry time to visit. This rainfall is typically spread over 2 days, although this may vary considerably.
On the flip side this corresponds to an average of 9.6 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 Loulé in September 2025.
Best places to visit in September
Hottest month: | August | 28°C 82.4°F |
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Driest month: | July | 2mm 0.1ins |
Sunniest month: | August | 12hrs |
Coldest month: | January | 15.4°C 59.7°F |
Wettest month: | December | 100mm 3.9ins |