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September weather forecast in Dunkerque

30 days Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

30 days Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Sun

Sunday

Mon

Monday

Tue

Tuesday

Wed

Wednesday

Thu

Thursday

Fri

Friday

Sat

Saturday

31 August, sun

	764 mmHg		75%
	7.9 m/s		+19

31 August, Sunday. day, 18°; night, 16°; partly cloudy

1 September, mon

	764 mmHg		75%
	7.2 m/s		+18

1 September, Monday. day, 18°; night, 16°; partly cloudy

2 September, tue

	764 mmHg		79%
	7.3 m/s		+18

2 September, Tuesday. day, 18°; night, 16°; clear

3 September, wed

	763 mmHg		79%
	7.9 m/s		+18

3 September, Wednesday. day, 18°; night, 16°; clear

4 September, thu

	763 mmHg		79%
	7.9 m/s		+18

4 September, Thursday. day, 18°; night, 16°; partly cloudy

5 September, fri

	763 mmHg		79%
	8.3 m/s		+18

5 September, Friday. day, 18°; night, 16°; partly cloudy

6 September, sat

	762 mmHg		79%
	8 m/s		+18

6 September, Saturday. day, 18°; night, 16°; rain

7 September, sun

	762 mmHg		79%
	8.5 m/s		+18

7 September, Sunday. day, 18°; night, 16°; clear

8 September, mon

	762 mmHg		79%
	8 m/s		+18

8 September, Monday. day, 18°; night, 16°; partly cloudy

9 September, tue

	762 mmHg		79%
	8.39 m/s		+18

9 September, Tuesday. day, 18°; night, 16°; partly cloudy

10 September, wed

	762 mmHg		79%
	8.7 m/s		+18

10 September, Wednesday. day, 18°; night, 16°; rain

11 September, thu

	761 mmHg		78%
	9.3 m/s		+18

11 September, Thursday. day, 18°; night, 16°; overcast

12 September, fri

	762 mmHg		78%
	8.6 m/s		+17

12 September, Friday. day, 17°; night, 15°; rain

13 September, sat

	762 mmHg		77%
	9 m/s		+18

13 September, Saturday. day, 17°; night, 15°; rain

14 September, sun

	762 mmHg		76%
	8.89 m/s		+18

14 September, Sunday. day, 18°; night, 15°; rain

15 September, mon

	762 mmHg		77%
	8.2 m/s		+17

15 September, Monday. day, 17°; night, 15°; clear

16 September, tue

	761 mmHg		79%
	8.8 m/s		+17

16 September, Tuesday. day, 17°; night, 15°; rain

17 September, wed

	762 mmHg		77%
	8.8 m/s		+18

17 September, Wednesday. day, 17°; night, 14°; overcast

18 September, thu

	762 mmHg		76%
	8.8 m/s		+18

18 September, Thursday. day, 17°; night, 15°; partly cloudy

19 September, fri

	762 mmHg		77%
	8.8 m/s		+18

19 September, Friday. day, 17°; night, 15°; partly cloudy

20 September, sat

	763 mmHg		77%
	8.3 m/s		+18

20 September, Saturday. day, 17°; night, 15°; clear

21 September, sun

	763 mmHg		76%
	7.8 m/s		+18

21 September, Sunday. day, 17°; night, 15°; clear

22 September, mon

	762 mmHg		79%
	7.8 m/s		+17

22 September, Monday. day, 17°; night, 14°; partly cloudy

23 September, tue

	762 mmHg		79%
	8.39 m/s		+17

23 September, Tuesday. day, 16°; night, 14°; rain

24 September, wed

	761 mmHg		77%
	8.89 m/s		+17

24 September, Wednesday. day, 16°; night, 14°; rain

25 September, thu

	762 mmHg		77%
	8.39 m/s		+17

25 September, Thursday. day, 16°; night, 14°; rain

26 September, fri

	761 mmHg		80%
	9 m/s		+17

26 September, Friday. day, 16°; night, 14°; rain

27 September, sat

	762 mmHg		81%
	8.8 m/s		+17

27 September, Saturday. day, 16°; night, 14°; rain

28 September, sun

	762 mmHg		79%
	8.8 m/s		+17

28 September, Sunday. day, 16°; night, 14°; overcast

29 September, mon

	761 mmHg		78%
	8.89 m/s		+17

29 September, Monday. day, 16°; night, 14°; rain

30 September, tue

	761 mmHg		78%
	8.89 m/s		+17

30 September, Tuesday. day, 17°; night, 14°; rain

1 October, wed

	759 mmHg		80%
	10.2 m/s		+17

1 October, Wednesday. day, 16°; night, 14°; rain

2 October, thu

	760 mmHg		79%
	10.2 m/s		+17

2 October, Thursday. day, 16°; night, 13°; rain

3 October, fri

	761 mmHg		77%
	9.3 m/s		+16

3 October, Friday. day, 16°; night, 13°; rain

4 October, sat

	761 mmHg		77%
	9.7 m/s		+16

4 October, Saturday. day, 15°; night, 13°; partly cloudy

Average data for 10 years

Dunkerque September

6

sunny days

13

days with precipitation

7

cloudy days

6 sunny days; 13 days with precipitation; 7 cloudy days;

78

%

air humidity

6.4

m/s

WindS

79

mm of precipitation

(9% of annual average)

+18

°C

Water temperature

air humidity 78%; 79 millimeters of precipitation (9% of annual average); Wind southerly 6.4 Meters per second; Water temperature +18°

Weather graphs for September

TemperatureWater temperaturePrecipitation chance, %Humidity, %Wind, m/sPressure, mmHg

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S

S

S

S

SW

S

S

S

S

SW

SW

S

S

S

S

S

S

S

S

S

S

S

S

S

S

S

S

SW

SW

1

Average data for 10 years

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

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18

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20

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30

Daytime temperature

Night-time temperature

Cities near you

Paris
London
Amsterdam
Brussels
The Hague
Oxford
Rotterdam
Luxembourg
Antwerp

Cities with similar weather in September

Riga
Stockholm
Sydney
Yurmala
Palanga
Buenos Aires
Copenhagen
Vancouver
Capetown

The weather forecast for September 2025 is based on historical data from the past 10 years.

In September, the weather in Dunkerque is typically warm. Average daily high temperature in September is about 17 degrees above zero. On average, Dunkerque has 13 rainy, 8 partly cloudy, 6 sunny, and 3 cloudy days in September. The rains are usually heavy.

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