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September weather forecast in Swansea

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

1 September, sun

	745 mmHg		79%
	6.3 m/s		+17

1 September, Sunday. day, 17°; night, 13°; partly cloudy

2 September, mon

	742 mmHg		83%
	7 m/s		+17

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

3 September, tue

	742 mmHg		81%
	6.8 m/s		+17

3 September, Tuesday. day, 17°; night, 14°; overcast

4 September, wed

	742 mmHg		82%
	6.4 m/s		+17

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

5 September, thu

	741 mmHg		80%
	7 m/s		+17

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

6 September, fri

	742 mmHg		81%
	6.4 m/s		+17

6 September, Friday. day, 16°; night, 13°; rain

7 September, sat

	742 mmHg		82%
	6.5 m/s		+17

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

8 September, sun

	743 mmHg		77%
	5.9 m/s		+17

8 September, Sunday. day, 17°; night, 13°; rain

9 September, mon

	741 mmHg		82%
	7.9 m/s		+17

9 September, Monday. day, 17°; night, 14°; rain

10 September, tue

	741 mmHg		81%
	8 m/s		+17

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

11 September, wed

	742 mmHg		80%
	8.1 m/s		+17

11 September, Wednesday. day, 16°; night, 14°; clear

12 September, thu

	742 mmHg		81%
	7.4 m/s		+17

12 September, Thursday. day, 16°; night, 13°; clear

13 September, fri

	743 mmHg		81%
	7.6 m/s		+17

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

14 September, sat

	742 mmHg		80%
	7.1 m/s		+17

14 September, Saturday. day, 16°; night, 13°; partly cloudy

15 September, sun

	740 mmHg		80%
	6.1 m/s		+16

15 September, Sunday. day, 15°; night, 13°; rain

16 September, mon

	740 mmHg		80%
	7 m/s		+16

16 September, Monday. day, 15°; night, 13°; clear

17 September, tue

	742 mmHg		80%
	5.9 m/s		+16

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

18 September, wed

	744 mmHg		81%
	5.4 m/s		+16

18 September, Wednesday. day, 15°; night, 13°; clear

19 September, thu

	746 mmHg		81%
	5.8 m/s		+16

19 September, Thursday. day, 15°; night, 13°; rain

20 September, fri

	746 mmHg		81%
	5.9 m/s		+16

20 September, Friday. day, 15°; night, 13°; overcast

21 September, sat

	745 mmHg		83%
	6.1 m/s		+16

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

22 September, sun

	745 mmHg		81%
	5.5 m/s		+16

22 September, Sunday. day, 15°; night, 13°; rain

23 September, mon

	743 mmHg		81%
	6.9 m/s		+16

23 September, Monday. day, 14°; night, 13°; overcast

24 September, tue

	743 mmHg		80%
	6 m/s		+16

24 September, Tuesday. day, 15°; night, 12°; rain

25 September, wed

	745 mmHg		82%
	5.6 m/s		+16

25 September, Wednesday. day, 14°; night, 13°; partly cloudy

26 September, thu

	746 mmHg		83%
	5.5 m/s		+16

26 September, Thursday. day, 15°; night, 12°; overcast

27 September, fri

	746 mmHg		81%
	5.6 m/s		+16

27 September, Friday. day, 16°; night, 13°; rain

28 September, sat

	746 mmHg		81%
	6.4 m/s		+16

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

29 September, sun

	744 mmHg		81%
	7 m/s		+16

29 September, Sunday. day, 15°; night, 13°; clear

30 September, mon

	742 mmHg		83%
	7.6 m/s		+16

30 September, Monday. day, 15°; night, 14°; rain

1 October, tue

	741 mmHg		79%
	7.4 m/s		+16

1 October, Tuesday. day, 15°; night, 13°; partly cloudy

2 October, wed

	740 mmHg		82%
	7.8 m/s		+16

2 October, Wednesday. day, 14°; night, 13°; rain

3 October, thu

	741 mmHg		77%
	9 m/s		+16

3 October, Thursday. day, 14°; night, 12°; rain

4 October, fri

	740 mmHg		81%
	8.6 m/s		+16

4 October, Friday. day, 15°; night, 12°; rain

5 October, sat

	738 mmHg		79%
	9 m/s		+16

5 October, Saturday. day, 14°; night, 13°; rain

Average data for 10 years

Swansea September

5

sunny days

18

days with precipitation

7

cloudy days

5 sunny days; 18 days with precipitation; 7 cloudy days;

81

%

air humidity

5.1

m/s

WindSW

78

mm of precipitation

(8% of annual average)

+16

°C

Water temperature

air humidity 81%; 78 millimeters of precipitation (8% of annual average); Wind south-westerly 5.1 Meters per second; Water temperature +16°

Weather graphs for September

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

SW

SW

SW

W

SW

W

SW

W

S

SW

SW

W

NW

W

NW

W

NW

W

W

SW

SW

SW

W

W

SW

SE

SE

SW

SW

SW

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

22

23

24

25

26

27

28

29

30

Daytime temperature

Night-time temperature

Cities near you

London
Dublin
Manchester
Trowbridge
Looe
Wicklow
Liverpool
Mont St Michel
Brighton

Cities with similar weather in September

Helsinki
Riga
Tallinn
Stockholm
Oslo
Yurmala
Palanga
Buenos Aires
Copenhagen

The weather forecast for September 2024 is based on historical data from the past 10 years.

In September, the weather in Swansea is typically warm. Average daily high temperature in September is about 16 degrees above zero. On average, Swansea has 18 rainy, 5 sunny, 4 cloudy, and 3 partly cloudy days in September. The rains are usually moderate. September as well as January, February, March, and May is considered the most uncomfortable time to visit Swansea.

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