The climate in Vasto during September can be summarized as warm, humid and reasonably dry.
September is in the fall / autumn in Vasto and is typically the 3rd warmest month of the year. Daytime maximum temperatures average around a muggy 25°C (77°F), whilst at night 17°C (62°F) is normal.
Daytime temperature | 24.7°C 76.5°F |
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Nightly temperature | 16.9°C 62.4°F |
Average temperature | 20.8°C 69.4°F |
Daily sunshine | 8.1 hrs |
Avg rainfall | 53 mm 2.1 ins |
Rainy days | 9 days |
Sea temperature | 22.6°C 72.7°F |
Humidity | 74% |
Windspeed | 6.8kph 4 mph |
On average September is the 4th wettest month of the year in Vasto with around 53mm 2.1 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 8.1 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 Vasto in September 2025.
Best places to visit in September
Hottest month: | July | 27.6°C 81.7°F |
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Driest month: | July | 29mm 1.1ins |
Sunniest month: | July | 10.6hrs |
Coldest month: | January | 10.2°C 50.4°F |
Wettest month: | October | 65mm 2.6ins |