Châteauneuf-dʼIlle-et-Vilaine weather in September (Brittany, France)

What does the weather outlook for Châteauneuf-dʼIlle-et-Vilaine look like in September? Get all the weather information you need to plan your visit.

Temperatures

During September, Châteauneuf-dʼIlle-et-Vilaine experiences perfect weather, with pleasant temperatures and moderate rainfall. September is part of the summer season. During the day, temperatures can climb to about 21°C. At night, they may fall to a cooler 13°C.

Precipitation

Châteauneuf-dʼIlle-et-Vilaine in September usually receives moderate rainfall, averaging around 70 mm for the month. Climate data suggests that about 13 days will experience rainfall.

Average sunshine

The month brings about 169 hours of sunlight, offering a comfortable mix of sun and shade.

So this is a great month to visit if you prefer dry days with pleasant temperatures. June, July, August and September typically offer the most optimal weather. In contrast, January tends to have less optimal conditions.

For an in-depth look at the yearly conditions, visit our specialized Châteauneuf-dʼIlle-et-Vilaine climate page with graphs.

 

Châteauneuf-dʼIlle-et-Vilaine, monthly averages in September

Min Temperature 13°C  

Max Temperature 21°C  

Chance of Rain 42%  

Precipitation 70 mm  

Rainy days 13 days  

Humidity 82% *  

Sunshine 169 hours *  

Percentage Sunshine *  

Data from: Saint Malo, France (10 KM, 6 Miles).

Where to go in France in September

Find out more about the weather in France and which places have the best travel conditions in this month.

Weather conditions Weather

Temperatures

Precipitation

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Legend perfect weather pleasant tolerable unpleasant poor

Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C and 29°C and not too much precipitation (less than 90 mm a month).

So, what should you wear in this month?

For visitors traveling to Châteauneuf-dʼIlle-et-Vilaine, we recommend wearing layers. So maybe a skirt, t-shirt, shorts for during the day and jeans and a warm jacket for some days and evenings. Bring a rain jacket in case it rains during your stay. Plan on layering your clothes.

What To Do

We rated the following activities from 1 (least suitable) to 10 (best) to do.

Swimming

6/10

Cycling

9/10

Walking

9/10

Camping

8/10

Outdoor sports

9/10

Interested in more climate information?

This site provides you with all the information you need about the climate in Châteauneuf-dʼIlle-et-Vilaine.

Our site offers climate and forecast data for every country in the world. Are you going to France? On this website you can find historical weather averages for many cities in France. 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.