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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 excellent 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.
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).
Dunkerque Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Dunkerque - and find the best time to visit.
Best Places in France in September
Find out more about the weather in France and which places have the best travel conditions in this month. See all of France in September →
perfect weather
pleasant
tolerable
unpleasant
poor
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).
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.
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Swimming6/10 -
Cycling10/10 -
Walking10/10 -
Camping8/10 -
Outdoor sports10/10
Dunkerque 3-Day Forecast
More climate data for Dunkerque
Temperature Rainfall Sunshine Humidity
See the full Dunkerque climate overview or explore weather in France.
Popular in September
Where to go in September - average daytime high across popular destinations.
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The 10 most charming villages in France
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