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September weather forecast in Southend-on-Sea

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

	761 mmHg		70%
	5.1 m/s		+19

31 August, Sunday. day, 18°; night, 15°; rain

1 September, mon

	761 mmHg		75%
	5 m/s		+19

1 September, Monday. day, 19°; night, 15°; partly cloudy

2 September, tue

	758 mmHg		77%
	6 m/s		+18

2 September, Tuesday. day, 18°; night, 15°; overcast

3 September, wed

	758 mmHg		77%
	6 m/s		+18

3 September, Wednesday. day, 18°; night, 15°; overcast

4 September, thu

	758 mmHg		74%
	6.3 m/s		+18

4 September, Thursday. day, 19°; night, 15°; overcast

5 September, fri

	758 mmHg		76%
	6.4 m/s		+17

5 September, Friday. day, 17°; night, 15°; clear

6 September, sat

	758 mmHg		76%
	5.6 m/s		+18

6 September, Saturday. day, 18°; night, 15°; overcast

7 September, sun

	757 mmHg		75%
	5.5 m/s		+18

7 September, Sunday. day, 18°; night, 15°; partly cloudy

8 September, mon

	758 mmHg		74%
	5 m/s		+18

8 September, Monday. day, 18°; night, 15°; clear

9 September, tue

	758 mmHg		75%
	6.6 m/s		+19

9 September, Tuesday. day, 19°; night, 14°; rain

10 September, wed

	757 mmHg		75%
	7 m/s		+18

10 September, Wednesday. day, 18°; night, 15°; overcast

11 September, thu

	758 mmHg		74%
	6 m/s		+18

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

12 September, fri

	758 mmHg		76%
	6.1 m/s		+17

12 September, Friday. day, 17°; night, 14°; clear

13 September, sat

	758 mmHg		75%
	7 m/s		+17

13 September, Saturday. day, 17°; night, 13°; partly cloudy

14 September, sun

	757 mmHg		75%
	6.9 m/s		+17

14 September, Sunday. day, 17°; night, 14°; partly cloudy

15 September, mon

	755 mmHg		75%
	6 m/s		+18

15 September, Monday. day, 17°; night, 14°; clear

16 September, tue

	756 mmHg		76%
	5.9 m/s		+16

16 September, Tuesday. day, 15°; night, 13°; overcast

17 September, wed

	757 mmHg		76%
	5.1 m/s		+17

17 September, Wednesday. day, 16°; night, 13°; overcast

18 September, thu

	759 mmHg		75%
	5.3 m/s		+17

18 September, Thursday. day, 17°; night, 13°; partly cloudy

19 September, fri

	762 mmHg		75%
	5.1 m/s		+17

19 September, Friday. day, 17°; night, 14°; overcast

20 September, sat

	762 mmHg		75%
	5 m/s		+17

20 September, Saturday. day, 17°; night, 14°; partly cloudy

21 September, sun

	761 mmHg		74%
	5 m/s		+17

21 September, Sunday. day, 17°; night, 13°; clear

22 September, mon

	761 mmHg		75%
	4.8 m/s		+17

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

23 September, tue

	759 mmHg		75%
	6 m/s		+17

23 September, Tuesday. day, 16°; night, 13°; partly cloudy

24 September, wed

	759 mmHg		75%
	6 m/s		+17

24 September, Wednesday. day, 17°; night, 13°; overcast

25 September, thu

	761 mmHg		75%
	5.6 m/s		+17

25 September, Thursday. day, 17°; night, 14°; overcast

26 September, fri

	763 mmHg		75%
	4.8 m/s		+17

26 September, Friday. day, 17°; night, 13°; partly cloudy

27 September, sat

	763 mmHg		79%
	5.1 m/s		+17

27 September, Saturday. day, 17°; night, 14°; partly cloudy

28 September, sun

	762 mmHg		79%
	5.8 m/s		+17

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

29 September, mon

	761 mmHg		73%
	5.8 m/s		+17

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

30 September, tue

	759 mmHg		76%
	6.8 m/s		+17

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

1 October, wed

	757 mmHg		75%
	6 m/s		+16

1 October, Wednesday. day, 16°; night, 15°; partly cloudy

2 October, thu

	756 mmHg		75%
	7.5 m/s		+17

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

3 October, fri

	757 mmHg		75%
	6.6 m/s		+16

3 October, Friday. day, 15°; night, 13°; partly cloudy

4 October, sat

	757 mmHg		79%
	7.1 m/s		+16

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

Average data for 10 years

Southend-on-Sea September

6

sunny days

4

days with precipitation

20

cloudy days

6 sunny days; 4 days with precipitation; 20 cloudy days;

75

%

air humidity

4.5

m/s

WindSW

41

mm of precipitation

(7% of annual average)

+17

°C

Water temperature

air humidity 75%; 41 millimeters of precipitation (7% of annual average); Wind south-westerly 4.5 Meters per second; Water temperature +17°

Weather graphs for September

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

SW

SW

SW

SW

SW

SW

SW

W

S

SW

SW

SW

W

W

N

W

NW

W

W

SW

SW

SW

NW

W

W

E

SE

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

22

23

24

25

26

27

28

29

30

Daytime temperature

Night-time temperature

Cities near you

Paris
London
Brussels
The Hague
Manchester
Antwerp
Bruges
Oxford
Trowbridge

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 Southend-on-Sea is typically warm. Average daily high temperature in September is about 17 degrees above zero. On average, Southend-on-Sea has 10 cloudy, 10 partly cloudy, 6 sunny, and 4 rainy days in September. The rains are usually light. September as well as {{month_nom: February}}, and {{month_nom: February}} is considered the most comfortable time to visit Southend-on-Sea.

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