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September weather forecast in King's Lynn

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		76%
	5.1 m/s		+18

31 August, Sunday. day, 19°; night, 11°; partly cloudy

1 September, mon

	764 mmHg		75%
	5 m/s		+18

1 September, Monday. day, 20°; night, 12°; partly cloudy

2 September, tue

	763 mmHg		78%
	5.2 m/s		+17

2 September, Tuesday. day, 20°; night, 12°; partly cloudy

3 September, wed

	762 mmHg		77%
	5.3 m/s		+17

3 September, Wednesday. day, 20°; night, 12°; partly cloudy

4 September, thu

	763 mmHg		76%
	5.2 m/s		+17

4 September, Thursday. day, 20°; night, 12°; clear

5 September, fri

	762 mmHg		79%
	5.4 m/s		+17

5 September, Friday. day, 20°; night, 12°; partly cloudy

6 September, sat

	761 mmHg		78%
	5.7 m/s		+17

6 September, Saturday. day, 20°; night, 13°; rain

7 September, sun

	761 mmHg		77%
	5.8 m/s		+17

7 September, Sunday. day, 20°; night, 12°; clear

8 September, mon

	761 mmHg		78%
	5.4 m/s		+17

8 September, Monday. day, 20°; night, 12°; clear

9 September, tue

	761 mmHg		77%
	5.8 m/s		+17

9 September, Tuesday. day, 19°; night, 12°; clear

10 September, wed

	761 mmHg		79%
	5.9 m/s		+17

10 September, Wednesday. day, 19°; night, 12°; clear

11 September, thu

	761 mmHg		78%
	6.2 m/s		+17

11 September, Thursday. day, 19°; night, 12°; overcast

12 September, fri

	761 mmHg		78%
	5.9 m/s		+16

12 September, Friday. day, 18°; night, 11°; rain

13 September, sat

	762 mmHg		75%
	5.9 m/s		+17

13 September, Saturday. day, 18°; night, 11°; partly cloudy

14 September, sun

	762 mmHg		77%
	6 m/s		+16

14 September, Sunday. day, 18°; night, 11°; partly cloudy

15 September, mon

	762 mmHg		80%
	5.7 m/s		+16

15 September, Monday. day, 18°; night, 11°; rain

16 September, tue

	761 mmHg		78%
	6.3 m/s		+15

16 September, Tuesday. day, 17°; night, 11°; partly cloudy

17 September, wed

	762 mmHg		77%
	5.8 m/s		+16

17 September, Wednesday. day, 17°; night, 11°; overcast

18 September, thu

	762 mmHg		79%
	5.9 m/s		+16

18 September, Thursday. day, 17°; night, 11°; partly cloudy

19 September, fri

	762 mmHg		79%
	6.2 m/s		+16

19 September, Friday. day, 18°; night, 11°; overcast

20 September, sat

	763 mmHg		79%
	6 m/s		+16

20 September, Saturday. day, 18°; night, 11°; overcast

21 September, sun

	763 mmHg		78%
	5.6 m/s		+17

21 September, Sunday. day, 18°; night, 11°; clear

22 September, mon

	762 mmHg		81%
	5.4 m/s		+16

22 September, Monday. day, 18°; night, 11°; partly cloudy

23 September, tue

	762 mmHg		81%
	5.8 m/s		+16

23 September, Tuesday. day, 17°; night, 10°; partly cloudy

24 September, wed

	761 mmHg		80%
	6.2 m/s		+16

24 September, Wednesday. day, 17°; night, 10°; rain

25 September, thu

	761 mmHg		80%
	5.7 m/s		+16

25 September, Thursday. day, 17°; night, 10°; rain

26 September, fri

	761 mmHg		82%
	6 m/s		+16

26 September, Friday. day, 17°; night, 10°; rain

27 September, sat

	761 mmHg		81%
	6.1 m/s		+16

27 September, Saturday. day, 17°; night, 10°; rain

28 September, sun

	762 mmHg		81%
	6 m/s		+16

28 September, Sunday. day, 17°; night, 10°; rain

29 September, mon

	761 mmHg		81%
	5.9 m/s		+16

29 September, Monday. day, 17°; night, 10°; rain

30 September, tue

	760 mmHg		83%
	6.2 m/s		+15

30 September, Tuesday. day, 17°; night, 10°; rain

1 October, wed

	758 mmHg		80%
	6.7 m/s		+15

1 October, Wednesday. day, 17°; night, 10°; rain

2 October, thu

	759 mmHg		79%
	6.4 m/s		+15

2 October, Thursday. day, 16°; night, 10°; rain

3 October, fri

	760 mmHg		80%
	6.7 m/s		+15

3 October, Friday. day, 16°; night, 9°; partly cloudy

4 October, sat

	760 mmHg		79%
	6.6 m/s		+15

4 October, Saturday. day, 15°; night, 9°; clear

Average data for 10 years

King's Lynn September

6

sunny days

10

days with precipitation

9

cloudy days

6 sunny days; 10 days with precipitation; 9 cloudy days;

79

%

air humidity

4.1

m/s

WindS

59

mm of precipitation

(9% of annual average)

+16

°C

Water temperature

air humidity 79%; 59 millimeters of precipitation (9% of annual average); Wind southerly 4.1 Meters per second; Water temperature +16°

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

SW

SW

S

S

SW

S

1

Average data for 10 years

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

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28

29

30

Daytime temperature

Night-time temperature

Cities near you

London
Manchester
Liverpool
The Hague
Trowbridge
Oxford
Bruges
Le Havre
Rouen

Cities with similar weather in September

Helsinki
Riga
Stockholm
Sydney
Yurmala
Palanga
Dublin
Buenos Aires
Copenhagen

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

September in King's Lynn is the sunniest month of the year. In September, the weather in King's Lynn is typically warm. Average daily high temperature in September is about 18 degrees above zero. On average, King's Lynn has 10 rainy, 10 partly cloudy, 6 sunny, and 4 cloudy days in September. The rains are usually moderate.

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