Châteauneuf-dʼIlle-et-Vilaine Weather in September

September in Châteauneuf-dʼIlle-et-Vilaine typically sees daytime highs of 21°C (70°F) and nighttime lows of 13°C (55°F). Rainfall is also possible this month, so it's worth packing an umbrella. It falls within the summer season.

Rainfall in Châteauneuf-dʼIlle-et-Vilaine in September

Historically, approximately 13 days this month are expected to have rain, averaging 70 mm (2.8 in). The rainfall pattern this month is fairly balanced. Showers tend to be moderate rather than extreme.

Temperature in Châteauneuf-dʼIlle-et-Vilaine in September

September is a perfect month in Châteauneuf-dʼIlle-et-Vilaine, with 21°C (70°F) during the day and 13°C (55°F) at night. September is known for being in the summer season. Temperatures can feel cooler in the morning and evening, so layering is often the best approach. With lows of 13°C (55°F), nights are cool. If you're out after dark, an extra layer will keep you comfortable. The cooler air at night is also great for getting a good rest.

Sunshine in Châteauneuf-dʼIlle-et-Vilaine in September

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

So this is a great month to visit if you prefer dry days with pleasant temperatures.

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For a detailed overview over the year and the best time to visit France, check out our Châteauneuf-dʼIlle-et-Vilaine's climate page.

Châteauneuf-dʼIlle-et-Vilaine Temperature in September

Min Temperature 13°C (55°F)  

Max Temperature 21°C (70°F)  

Chance of Rain 42%  

Precipitation 70 mm (2.8 in)  

Rainy days 13 days  

Humidity 82% *  

Sunshine 169 hours *  

Percentage Sunshine *  

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

What to Wear in Châteauneuf-dʼIlle-et-Vilaine in September

For Châteauneuf-dʼIlle-et-Vilaine in September, you'll want flexible clothing. It's wise to pack cotton shirts, comfortable shorts, and a pair of jeans for cooler evenings. A light sweater or jacket is useful for air-conditioned spaces (like buses) or unexpected cool moments. Rain is likely on several days, so bring a good rain jacket. It won't hurt to bring your sunglasses along, as you'll see some sunny periods.

What To Do in Châteauneuf-dʼIlle-et-Vilaine in September

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

Select a Month

Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

For a detailed overview over the year and the best time to visit France, check out our Châteauneuf-dʼIlle-et-Vilaine's climate page.

More climate data for Châteauneuf-dʼIlle-et-Vilaine

Temperature Rainfall Sunshine Humidity

See the full Châteauneuf-dʼIlle-et-Vilaine climate overview or explore weather in France.