Sewen Weather in September

September is one of the excellent months to visit Sewen, with daytime temperatures of 20°C (68°F) and lows of 10°C (50°F) at night. Do note that quite a bit of rainfall is typical, averaging around 95 mm (3.7 in).

Rainfall in Sewen in September

Typically, about 13 days will experience rainfall, with an average of 95 mm (3.7 in) for the month. Rainfall intensity is on the higher side this month. Expect more substantial showers rather than light, passing rain.

Temperature in Sewen in September

September tends to be one of the excellent months in Sewen, with 20°C (68°F) in the afternoon and 10°C (50°F) overnight. Temperatures can feel cooler in the morning and evening, so layering is often the best approach. Nights cool down to 10°C (50°F), so a light jacket or extra layer is useful once the sun goes down. On the plus side, the cooler nights make for comfortable sleeping conditions.

Sunshine in Sewen in September

The area enjoys a moderate level of sunlight, with around 163 hours. It's a good balance between sunny and cloudy days.

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

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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 Sewen's climate page.

Sewen Temperature in September

Min Temperature 10°C (50°F)  

Max Temperature 20°C (68°F)  

Chance of Rain 43%  

Precipitation 95 mm (3.7 in)  

Rainy days 13 days  

Humidity 79% *  

Sunshine 163 hours *  

Percentage Sunshine *  

* Data from: Mulhouse, France (33 KM, 20 Miles).

What to Wear in Sewen in September

Pleasant temperatures in September mean you can pack light but flexibel pieces. Think cotton t-shirts, comfortable walking shorts, and one warmer layer for evenings. A light sweater or denim jacket works well. Prepare for significant rainfall with proper waterproof clothing and shoes. It won't hurt to bring your sunglasses along, as you'll see some sunny periods.

What To Do in Sewen 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 Sewen's climate page.

More climate data for Sewen

Temperature Rainfall Sunshine Humidity

See the full Sewen climate overview or explore weather in France.