LʼÎle-dʼOlonne Weather in September

September in LʼÎle-dʼOlonne averages 22°C (72°F) during the day and 15°C (59°F) at night. Quite a bit of rainfall is typical this month, with around 62 mm (2.4 in) on average. An umbrella is a good idea.

Rainfall in LʼÎle-dʼOlonne in September

You can expect rain on around 13 days based on historical patterns, with 62 mm (2.4 in) average for the month. Expect a fairly normal spread of rainfall this month, with no particular pattern of very heavy or very persistent showers.

Temperature in LʼÎle-dʼOlonne in September

September is one of the better months to visit LʼÎle-dʼOlonne. Expect 22°C (72°F) during the day and 15°C (59°F) at night. During September, you'll experience the summer season. This creates a mild day-to-night pattern that is generally easy to manage with the right clothing. 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 LʼÎle-dʼOlonne in September

Enjoy a sunny month with about 212 hours of sunshine, the clear skies make LʼÎle-dʼOlonne even more beautiful.

If you're inclined towards comfortable temperatures and drier conditions, September is a good time to visit LʼÎle-dʼOlonne.

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For a detailed overview over the year and the best time to visit France, check out our LʼÎle-dʼOlonne's climate page.

LʼÎle-dʼOlonne Temperature in September

Min Temperature 15°C (59°F)  

Max Temperature 22°C (72°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 (66 KM, 41 Miles).

What to Wear in LʼÎle-dʼOlonne in September

Comfortable temperatures call for an easy wardrobe in September. Pack summer basics like t-shirts and shorts, but include a light jacket for cooler moments. A pair of comfortable walking shoes is essential. Wet weather is likely, so pack waterproof gear for multiple rainy days. Don't forget sun protection, sunglasses, sunscreen, and a hat. These are all good ideas with this much sunshine.

What To Do in LʼÎle-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 LʼÎle-dʼOlonne's climate page.

More climate data for LʼÎle-dʼOlonne

Temperature Rainfall Sunshine Humidity

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