The climate in Valla during September can be summarized as cool and reasonably dry.
September is in the fall / autumn in Valla and is typically the 4th warmest month of the year. Daytime maximum temperatures average around a cool 11°C (51°F), whilst at night 4°C (39°F) is normal.
Daytime temperature | 10.6°C 51°F |
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Nightly temperature | 4.1°C 39.3°F |
Average temperature | 7.3°C 45.1°F |
Daily sunshine | 4 hrs |
Avg rainfall | 72 mm 2.8 ins |
Rainy days | 20 days |
Sea temperature | 12.7°C 54.8°F |
Humidity | 80% |
Windspeed | 15.5kph 10 mph |
On average September is the 2nd wettest month of the year in Valla with around 72mm 2.8 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 20 days, although this may vary considerably.
On the flip side this corresponds to an average of 4 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 Valla in September 2025.
Best places to visit in September
Hottest month: | July | 16.8°C 62.2°F |
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Driest month: | April | 32mm 1.3ins |
Sunniest month: | May | 3.7hrs |
Coldest month: | January | -5.5°C 22.1°F |
Wettest month: | July | 85mm 3.3ins |