The climate in Oliena during September can be summarized as warm and reasonably dry.
September is in the fall / autumn in Oliena and is typically the 3rd warmest month of the year. Daytime maximum temperatures average around 24°C (75°F), whilst at night 16°C (60°F) is normal.
Daytime temperature | 23.8°C 74.8°F |
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Nightly temperature | 15.6°C 60.1°F |
Average temperature | 19.7°C 67.5°F |
Daily sunshine | 8.7 hrs |
Avg rainfall | 37 mm 1.4 ins |
Rainy days | 8 days |
Sea temperature | 23.8°C 74.9°F |
Humidity | 71% |
Windspeed | 12.6kph 8 mph |
On average September is the 4th driest month of the year in Oliena with around 37mm 1.4 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 8.7 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 Oliena in September 2025.
Best places to visit in September
Hottest month: | July | 27.1°C 80.8°F |
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Driest month: | July | 10mm 0.4ins |
Sunniest month: | July | 11.8hrs |
Coldest month: | January | 9.8°C 49.6°F |
Wettest month: | December | 133mm 5.2ins |