Dunkerque Weather in September

With daytime temperatures of 20°C (68°F) and nighttime lows of 13°C (55°F), September in Dunkerque brings pleasant temperatures during the day. Do keep in mind that quite a bit of rainfall is typical. Around 66 mm (2.6 in) falls on average.

Rainfall in Dunkerque in September

Expect around 16 days of rain based on historical data, with 66 mm (2.6 in) average. Rain is frequent but mostly light this month, with brief showers more common than heavy downpours.

Temperature in Dunkerque in September

The perfect temperature in Dunkerque in September makes it a solid month to visit, with 20°C (68°F) during the day and 13°C (55°F) at night. This month falls in the summer season. Even when the weather is stable, mornings and evenings can still feel distinctly cool. Nights drop to around 13°C (55°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 Dunkerque in September

The area experiences a moderate amount of sunshine, with approximately 160 hours of sunlight expected. This means a decent mix of sun and overcast.

If you favor pleasant temperatures and minimal rainfall, September is one of the best months to visit Dunkerque.

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

Dunkerque Temperature in September

Min Temperature 13°C (55°F)  

Max Temperature 20°C (68°F)  

Chance of Rain 52%  

Precipitation 66 mm (2.6 in)  

Rainy days 16 days  

Humidity 86% *  

Sunshine 160 hours *  

Percentage Sunshine *  

* Data from: Ostend, Belgium (38 KM, 24 Miles).

What to Wear in Dunkerque in September

For Dunkerque 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. Sunglasses could come in handy during the sunnier parts of your trip.

What To Do in Dunkerque 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 Dunkerque's climate page.

More climate data for Dunkerque

Temperature Rainfall Sunshine Humidity

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