Dunkirk Weather in September
Dunkirk in September
The short of it: Dunkirk in September averages a high of 19 °C (67 °F) and a low of 13 °C (55 °F), with 65 mm (2.6 in) of rain and about 12 h 33 min of daylight. Rated 4 of 5 for a visit; the best months are May and August. Source: TerraClimate climate normals, 1991–2020.
Average high 19° · low 13° · rain 65 mm · daylight 12 h 33 min
✦✦✦✦ Recommended for a visit · best months: May & August
Thirty years of records give Dunkirk an average September high of 19°, a low of 13° and some 65 mm of rain. Much like August: highs about 19°, nights near 13°. Easy travelling weather. Wet spells are common — about 65 mm, the 4th wettest month.
The sun is up for about 12 h 33 min in mid-September, 120 minutes less than a month before.
For the traveller: pack layers, a wool coat and stout boots, and an oilskin besides. The Almanac rates September 4 of 5 for a visit; the finest months here are May and August.
Against its neighbours, Dunkirk runs about middling and wetter than most in September. Coudekerque-Branche, 2 km to the SE, sees much the same highs.
September in Dunkirk, by the numbers
- Warmth rank
- 3rd warmest of 12
- Rain rank
- 4th wettest of 12
- Versus August
- 3° colder, 0.0 mm more rain
- Versus October
- 4° warmer
- Day–night spread
- 7°
- Snow season
- seldom any
- Daylight, mid-month
- 12 h 33 min
- Average wind
- 20 km/h
Neighbouring Towns
September averages · distance by the crow’s flight| Town | Distance | High | Low | Rain |
|---|---|---|---|---|
| Coudekerque-BrancheHauts-de-France | 2 km SE | 19° | 13° | 65 mm |
| Saint-Pol-sur-MerHauts-de-France | 3 km W | 19° | 13° | 65 mm |
| Grande-SyntheHauts-de-France | 6 km WSW | 20° | 13° | 65 mm |
| KoksijdeFlanders | 20 km ENE | 19° | 11° | 65 mm |
| PoperingeFlanders | 32 km SE | 20° | 11° | 66 mm |
| HazebrouckHauts-de-France | 36 km SSE | 20° | 11° | 63 mm |
| CalaisHauts-de-France | 38 km WSW | 19° | 13° | 54 mm |
| IeperFlanders | 41 km ESE | 20° | 11° | 68 mm |