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.