The climate in Vulcan during September can be summarized as mild and reasonably dry.
September is in the fall / autumn in Vulcan and is typically the 4th warmest month of the year. Daytime maximum temperatures average around a cool 19°C (66°F), whilst at night 5°C (40°F) is normal.
| Daytime temperature | 18.8°C 65.8°F |
|---|---|
| Nightly temperature | 4.5°C 40°F |
| Average temperature | 11.6°C 52.9°F |
| Daily sunshine | 7.2 hrs |
| Avg rainfall | 47 mm 1.8 ins |
| Rainy days | 7 days |
| Sea temperature | 11.8°C 53.3°F |
| Humidity | 61% |
| Windspeed | 15.5kph 10 mph |
On average September is the 4th wettest month of the year in Vulcan with around 47mm 1.8 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 7 days, although this may vary considerably.
On the flip side this corresponds to an average of 7.2 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 Vulcan in September 2025.
Best places to visit in September
| Hottest month: | July | 24.6°C 76.3°F |
|---|---|---|
| Driest month: | February | 14mm 0.6ins |
| Sunniest month: | July | 11.7hrs |
| Coldest month: | January | -3.5°C 25.7°F |
| Wettest month: | May | 59mm 2.3ins |