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September. 17°. 11°. 89.92. Weather.com brings you the most accurate monthly weather forecast for Cornwall, England with average/record and high/low temperatures, precipitation and more.
September weather averages for Cornwall, United Kingdom. Temperature, High temperature, Low temperature, Precipitation, Daily sun hours, Sea temperature.
September in Cornwall generally has pleasant temperatures, with moderate precipitation. The month of September is in the summer season. You can expect pleasant maximum daytime temperatures of around 19°C and nighttime temperatures around 13°C in Newquay . In September, precipitation varies across different areas.
The temperatures in Cornwall in September are usually low and can range between 57°F and 62°F. You can expect about 3 to 8 days of rain in Cornwall during the month of September. It’s a good idea to bring along your umbrella so that you don’t get caught in poor weather.
Get the monthly weather forecast for Newquay, Cornwall, United Kingdom, including daily high/low, historical averages, to help you plan ahead.
In september in Cornwall, the climate is wet (with 3.1in of precipitation over 5 days). This is better than the previous month since in august it receives an average of 4.7in of precipitation over 7 days.
Tonight. Low17°. Partly cloudy and light winds. Wed 3rd. 30°. 20°. Thu 4th. 29°. 17°.
