Sion-sur-lʼOcéan Weather in September

September in Sion-sur-lʼOcéan averages 22°C (72°F) during the day and 14°C (57°F) at night. The perfect conditions and moderate rainfall make it a solid month to visit.

Rainfall in Sion-sur-lʼOcéan in September

Historically, September sees about 13 days of rain, with a monthly average of 59 mm (2.3 in). The rainfall pattern this month is fairly balanced. Showers tend to be moderate rather than extreme.

Temperature in Sion-sur-lʼOcéan in September

September is a good time to be in Sion-sur-lʼOcéan. Days are perfect, reaching 22°C (72°F), with nights around 14°C (57°F). September is typically considered a summer month. Temperatures can feel cooler in the morning and evening, so layering is often the best approach. Nights drop to around 14°C (57°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 Sion-sur-lʼOcéan in September

Expect sunny days throughout the month, with an estimated 195 hours of sunshine. This makes it a pleasant time to visit Sion-sur-lʼOcéan.

If you're a fan of comfortable temperatures and drier conditions, September is a great time to visit.

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

Sion-sur-lʼOcéan Temperature in September

Min Temperature 14°C (57°F)  

Max Temperature 22°C (72°F)  

Chance of Rain 42%  

Precipitation 59 mm (2.3 in)  

Rainy days 13 days  

Humidity 80% *  

Sunshine 195 hours *  

Percentage Sunshine 51% *  

* Data from: Nantes, France (64 KM, 40 Miles).

What to Wear in Sion-sur-lʼOcéan in September

For Sion-sur-lʼOcéan 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. You'll definitely want to pack sunglasses and sunscreen. There will be plenty of bright sunshine this month.

What To Do in Sion-sur-lʼOcéan in September

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

Swimming

6/10

Cycling

10/10

Walking

10/10

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 Sion-sur-lʼOcéan's climate page.

More climate data for Sion-sur-lʼOcéan

Temperature Rainfall Sunshine Humidity

See the full Sion-sur-lʼOcéan climate overview or explore weather in France.