Weather in September in Cornwall
Planning a journey to Cornwall this September and curious over the weather conditions to await? Your essential details are found on this page, answering your query:
What is the weather like in Cornwall in September?
Cornwall is a region in the United Kingdom. September in Cornwall generally has pleasant temperatures, with moderate precipitation. The month of September is in the summer season.
Temperatures
You can expect pleasant maximum daytime temperatures of around 19°C and nighttime temperatures around 13°C in Newquay.
Precipitation
In September, precipitation varies across different areas. From moderate rainfall in Porthscatho with an average of 60 mm to moderate rainfall in Gooseham with 90 mm.Average sunshine
Most cities enjoy a balanced amount of sunshine, with around 165 hours of sunlight anticipated in Newquay. This ensures the days are neither too dim nor excessively sunny.To learn more about the conditions in specific areas of Cornwall in September, check out the map below. For more details on the yearly weather, visit our Cornwall climate page.
Where to go in Cornwall in September
perfect weather
pleasant
tolerable
unpleasant
poor
Popular destinations
What is the weather like in September for the 5 most popular destinations in Cornwall?
Newquay
In September Newquay generally has pleasant temperatures with maximum daytime temperatures around 19°C, minimum nighttime temperatures around 13°C and moderate monthly rainfall. So on average the conditions are pleasant that month.
Max temperature
Max temp
Min temperature
Min temp
Monthly sun hours
Sun hours
Monthly rainfall
Rainfall
Monthly rainy days
Rainy days
Weather conditions
Weather
St Austell
In September St Austell generally has pleasant temperatures with maximum daytime temperatures around 19°C, minimum nighttime temperatures around 12°C and moderate monthly rainfall. So on average the conditions are pleasant that month.
Max temperature
Max temp
Min temperature
Min temp
Monthly sun hours
Sun hours
Monthly rainfall
Rainfall
Monthly rainy days
Rainy days
Weather conditions
Weather
Penzance
In September Penzance generally has pleasant temperatures with maximum daytime temperatures around 18°C, minimum nighttime temperatures around 14°C and moderate monthly rainfall. So on average the conditions are pleasant that month.
Max temperature
Max temp
Min temperature
Min temp
Monthly sun hours
Sun hours
Monthly rainfall
Rainfall
Monthly rainy days
Rainy days
Weather conditions
Weather
Bude
In September Bude generally has pleasant temperatures with maximum daytime temperatures around 18°C, minimum nighttime temperatures around 12°C and moderate monthly rainfall. So on average the conditions are pleasant that month.
Max temperature
Max temp
Min temperature
Min temp
Monthly sun hours
Sun hours
Monthly rainfall
Rainfall
Monthly rainy days
Rainy days
Weather conditions
Weather
Falmouth
In September Falmouth generally has pleasant temperatures with maximum daytime temperatures around 19°C, minimum nighttime temperatures around 13°C and moderate monthly rainfall. So on average the conditions are pleasant that month.
Max temperature
Max temp
Min temperature
Min temp
Monthly sun hours
Sun hours
Monthly rainfall
Rainfall
Monthly rainy days
Rainy days
Weather conditions
Weather
Is your destination not in the list? Have a look at other destinations in Cornwall, in the United Kingdom.
Is September the best time to visit Cornwall?
In our opinion, September is a good time to visit Cornwall with overall pleasant weather in Newquay. It's worth noting that weather conditions might differ depending on the location you visit.
On average, the best time to visit Cornwall is in July and August with generally perfect weather in Newquay. In contrast, February, November and December tend to have poor weather conditions.
Interested in more climate information?
We have much more information about the climate in Cornwall.
Interested in the weather conditions in a specific month? Select the month below.
Weather and climate has detailed information for every country in the world. Are you going to the United Kingdom? Get detailed historical weather averages for many cities in the United Kingdom.
Not sure yet where to go? We now have a tool which recommends destinations that suit your ideal travel conditions. Find out where to go with our weather planner.