Weather in Dunkirk in September
How warm is it in Dunkirk in September?
In September the typical daytime high in Dunkirk is 19.7 °C on average, from 21.4 °C at the start to 17.3 °C at the end of the month.
That is 2.9 °C cooler than in August and 4.3 °C warmer than in October.
The last 10 years were 1.7 °C warmer than more than 40 years ago.
Click a day for more: afternoon and night, the usual range, records and how fast it is warming.
The average of the weather stations West Souburg (97 km), Abbeville (107 km) and Uccle (141 km); nearer ones count more.