Château-dʼOlonne Weather in September

Château-dʼOlonne in September sees pleasant daytime temperatures of 21°C (70°F) and nighttime lows of 15°C (59°F). Rainfall is fairly high this month at around 62 mm (2.4 in), so pack a rain jacket to stay dry.

Rainfall in Château-dʼOlonne in September

Historically, the month has about 13 days of rain, averaging 62 mm (2.4 in) in total. Neither particularly heavy nor particularly frequent, the rain this month is about average. A light jacket should be enough on most wet days.

Temperature in Château-dʼOlonne in September

If you're visiting Château-dʼOlonne in September, expect excellent temperatures with highs of 21°C (70°F) and overnight lows of 15°C (59°F). The summer season is characteristic of September. Conditions are often most pleasant around the middle of the day. Nights drop to around 15°C (59°F), which is noticeably cooler than the daytime. A light jacket for the evening is a sensible addition, and the cool nights tend to make sleeping comfortable.

Sunshine in Château-dʼOlonne in September

Expect sunny days throughout the month, with an estimated 212 hours of sunshine. This makes it a pleasant time to visit Château-dʼOlonne.

If your ideal day consists of dry skies and pleasant temperatures, June, July, August and September typically offer the best circumstances for Château-dʼOlonne.

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 Château-dʼOlonne's climate page.

Château-dʼOlonne Temperature in September

Min Temperature 15°C (59°F)  

Max Temperature 21°C (70°F)  

Chance of Rain 42%  

Precipitation 62 mm (2.4 in)  

Rainy days 13 days  

Humidity 79% *  

Sunshine 212 hours *  

Percentage Sunshine *  

* Data from: La Rochelle, France (58 KM, 36 Miles).

What to Wear in Château-dʼOlonne in September

For Château-dʼOlonne 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. Don't forget sun protection, sunglasses, sunscreen, and a hat. These are all good ideas with this much sunshine.

What To Do in Château-dʼOlonne in September

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

Cycling

10/10

Walking

10/10

Barbeque

8/10

Camping

8/10

Outdoor sports

10/10

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 Château-dʼOlonne's climate page.

More climate data for Château-dʼOlonne

Temperature Rainfall Sunshine Humidity

See the full Château-dʼOlonne climate overview or explore weather in France.