The climate in Vieste during September can be summarized as warm and reasonably dry.
September is in the fall / autumn in Vieste and is typically the 4th warmest month of the year. Daytime maximum temperatures average around a comfortable 25°C (76°F), whilst at night 16°C (60°F) is normal.
Daytime temperature | 24.6°C 76.3°F |
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Nightly temperature | 15.6°C 60°F |
Average temperature | 20.1°C 68.2°F |
Daily sunshine | 8.5 hrs |
Avg rainfall | 59 mm 2.3 ins |
Rainy days | 8 days |
Sea temperature | 23.7°C 74.6°F |
Humidity | 67% |
Windspeed | 9.5kph 6 mph |
On average September is the 3rd wettest month of the year in Vieste with around 59mm 2.3 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 8 days, although this may vary considerably.
On the flip side this corresponds to an average of 8.5 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 Vieste in September 2025.
Best places to visit in September
Hottest month: | July | 28°C 82.4°F |
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Driest month: | August | 34mm 1.3ins |
Sunniest month: | July | 11.2hrs |
Coldest month: | January | 9.5°C 49.1°F |
Wettest month: | December | 66mm 2.6ins |