The climate in Penzance during September can be summarized as mild and a little damp.
September is in the fall / autumn in Penzance and is typically the 3rd warmest month of the year. Daytime maximum temperatures average around 17°C (62°F), whilst at night 11°C (53°F) is normal.
Daytime temperature | 16.8°C 62.2°F |
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Nightly temperature | 11.4°C 52.5°F |
Average temperature | 14.1°C 57.4°F |
Daily sunshine | 5.8 hrs |
Avg rainfall | 89 mm 3.5 ins |
Rainy days | 16 days |
Sea temperature | 16°C 60.9°F |
Humidity | 88% |
Windspeed | 18kph 11 mph |
On average September is the 6th driest month of the year in Penzance with around 89mm 3.5 inches of rain making it a a little damp time to visit. This rainfall is typically spread over 16 days, although this may vary considerably.
On the flip side this corresponds to an average of 5.8 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 Penzance in September 2024.
Best places to visit in September
Hottest month: | August | 18.4°C 65.1°F |
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Driest month: | July | 62mm 2.4ins |
Sunniest month: | May | 7.5hrs |
Coldest month: | February | 8.3°C 46.9°F |
Wettest month: | December | 142mm 5.6ins |