The climate in Castelvetrano during September can be summarized as warm, humid and reasonably dry.
September is in the fall / autumn in Castelvetrano and is typically the 3rd warmest month of the year. Daytime maximum temperatures average around a muggy 27°C (80°F), whilst at night 19°C (66°F) is normal.
Daytime temperature | 26.5°C 79.7°F |
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Nightly temperature | 18.9°C 66°F |
Average temperature | 22.7°C 72.9°F |
Daily sunshine | 9 hrs |
Avg rainfall | 39 mm 1.6 ins |
Rainy days | 5 days |
Sea temperature | 25.1°C 77.2°F |
Humidity | 74% |
Windspeed | 11.9kph 7 mph |
On average September is the 5th driest month of the year in Castelvetrano with around 39mm 1.6 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 5 days, although this may vary considerably.
On the flip side this corresponds to an average of 9 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 Castelvetrano in September 2024.
Best places to visit in September
Hottest month: | August | 29°C 84.2°F |
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Driest month: | July | 4mm 0.2ins |
Sunniest month: | July | 11.7hrs |
Coldest month: | January | 13.8°C 56.8°F |
Wettest month: | November | 77mm 3ins |