The climate in Shanklin during September can be summarized as mild and reasonably dry.
September is in the fall / autumn in Shanklin and is typically the 3rd warmest month of the year. Daytime maximum temperatures average around 18°C (64°F), whilst at night 12°C (53°F) is normal.
| Daytime temperature | 17.7°C 63.9°F |
|---|---|
| Nightly temperature | 11.9°C 53.4°F |
| Average temperature | 14.8°C 58.6°F |
| Daily sunshine | 6 hrs |
| Avg rainfall | 68 mm 2.7 ins |
| Rainy days | 12 days |
| Sea temperature | 16.9°C 62.3°F |
| Humidity | 87% |
| Windspeed | 14kph 9 mph |
On average September is the 5th wettest month of the year in Shanklin with around 68mm 2.7 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 12 days, although this may vary considerably.
On the flip side this corresponds to an average of 6 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 Shanklin in September 2025.
Best places to visit in September
| Hottest month: | August | 19.4°C 66.9°F |
|---|---|---|
| Driest month: | July | 41mm 1.6ins |
| Sunniest month: | August | 7.7hrs |
| Coldest month: | February | 7.1°C 44.8°F |
| Wettest month: | November | 91mm 3.6ins |