Dunkirk Weather in September

September in Dunkirk sees daytime temperatures around 22°C (72°F) and lows of 14°C (57°F) at night. With around 113 mm (4.4 in) of rainfall expected, it's worth packing a rain jacket.

Rainfall in Dunkirk in September

Typically, you can expect about 11 days of rain this month, with 113 mm (4.4 in) on average. The rain this month tends to fall in heavier spells rather than light drizzle. When it rains, showers can be significant.

Temperature in Dunkirk in September

September in Dunkirk brings typical temperatures with highs around 22°C (72°F) and lows of 14°C (57°F). This kind of day-to-night contrast is typical for this time of year. 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 Dunkirk in September

With approximately 206 hours of sunshine, the days are filled with clear skies. It makes it a perfect month for being outside.

If you prefer dry days with pleasant temperatures, June typically offers the best circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.

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For a detailed overview over the year and the best time to visit the United States of America, check out our Dunkirk's climate page.

Dunkirk Temperature in September

Min Temperature 14°C (57°F)  

Max Temperature 22°C (72°F)  

Chance of Rain 37%  

Precipitation 113 mm (4.4 in)  

Rainy days 11 days  

Humidity 74% *  

Sunshine 206 hours *  

Percentage Sunshine 55% *  

* Data from: Buffalo, the United States of America (58 KM, 36 Miles).

What to Wear in Dunkirk in September

For Dunkirk 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. High rain levels are expected, so pack waterproof gear and an umbrella or poncho. Don't forget sun protection, sunglasses, sunscreen, and a hat. These are all good ideas with this much sunshine.

What To Do in Dunkirk in September

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

Cycling

9/10

Walking

9/10

Camping

6/10

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 the United States of America, check out our Dunkirk's climate page.

More climate data for Dunkirk

Temperature Rainfall Sunshine Humidity

See the full Dunkirk climate overview or explore weather in the United States of America.