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September weather forecast in Brighton

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

	760 mmHg		77%
	5.1 m/s		+18

31 August, Sunday. day, 19°; night, 12°; partly cloudy

1 September, mon

	760 mmHg		77%
	4.8 m/s		+18

1 September, Monday. day, 19°; night, 12°; partly cloudy

2 September, tue

	759 mmHg		80%
	5 m/s		+18

2 September, Tuesday. day, 19°; night, 12°; overcast

3 September, wed

	759 mmHg		79%
	5.3 m/s		+18

3 September, Wednesday. day, 20°; night, 13°; partly cloudy

4 September, thu

	759 mmHg		77%
	5.3 m/s		+18

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

5 September, fri

	758 mmHg		79%
	5.3 m/s		+17

5 September, Friday. day, 20°; night, 12°; rain

6 September, sat

	758 mmHg		80%
	5.5 m/s		+17

6 September, Saturday. day, 19°; night, 12°; partly cloudy

7 September, sun

	757 mmHg		79%
	5.5 m/s		+18

7 September, Sunday. day, 20°; night, 12°; partly cloudy

8 September, mon

	757 mmHg		79%
	5.4 m/s		+18

8 September, Monday. day, 19°; night, 12°; partly cloudy

9 September, tue

	757 mmHg		79%
	5.7 m/s		+18

9 September, Tuesday. day, 19°; night, 12°; partly cloudy

10 September, wed

	758 mmHg		80%
	5.9 m/s		+17

10 September, Wednesday. day, 19°; night, 12°; partly cloudy

11 September, thu

	757 mmHg		78%
	5.9 m/s		+17

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

12 September, fri

	758 mmHg		80%
	5.9 m/s		+17

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

13 September, sat

	758 mmHg		78%
	5.7 m/s		+17

13 September, Saturday. day, 18°; night, 11°; clear

14 September, sun

	758 mmHg		78%
	5.9 m/s		+17

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

15 September, mon

	758 mmHg		79%
	5.3 m/s		+17

15 September, Monday. day, 18°; night, 10°; rain

16 September, tue

	757 mmHg		77%
	5.9 m/s		+17

16 September, Tuesday. day, 18°; night, 11°; partly cloudy

17 September, wed

	757 mmHg		77%
	5.9 m/s		+17

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

18 September, thu

	757 mmHg		79%
	6.2 m/s		+17

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

19 September, fri

	758 mmHg		81%
	6 m/s		+17

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

20 September, sat

	758 mmHg		80%
	6 m/s		+17

20 September, Saturday. day, 18°; night, 12°; partly cloudy

21 September, sun

	758 mmHg		79%
	5.3 m/s		+17

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

22 September, mon

	758 mmHg		83%
	5.3 m/s		+17

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

23 September, tue

	757 mmHg		82%
	5.8 m/s		+17

23 September, Tuesday. day, 17°; night, 11°; rain

24 September, wed

	757 mmHg		80%
	6.1 m/s		+17

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

25 September, thu

	757 mmHg		81%
	5.3 m/s		+17

25 September, Thursday. day, 17°; night, 10°; partly cloudy

26 September, fri

	757 mmHg		82%
	6.2 m/s		+17

26 September, Friday. day, 17°; night, 11°; rain

27 September, sat

	757 mmHg		82%
	6.4 m/s		+17

27 September, Saturday. day, 17°; night, 11°; rain

28 September, sun

	758 mmHg		82%
	5.9 m/s		+17

28 September, Sunday. day, 17°; night, 11°; overcast

29 September, mon

	757 mmHg		82%
	5.8 m/s		+17

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

30 September, tue

	756 mmHg		84%
	6.5 m/s		+17

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

1 October, wed

	754 mmHg		83%
	7 m/s		+17

1 October, Wednesday. day, 17°; night, 11°; rain

2 October, thu

	755 mmHg		83%
	6.4 m/s		+17

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

3 October, fri

	756 mmHg		82%
	6.3 m/s		+16

3 October, Friday. day, 16°; night, 10°; partly cloudy

4 October, sat

	756 mmHg		82%
	6.6 m/s		+16

4 October, Saturday. day, 15°; night, 9°; partly cloudy

Average data for 10 years

Brighton September

4

sunny days

10

days with precipitation

8

cloudy days

4 sunny days; 10 days with precipitation; 8 cloudy days;

80

%

air humidity

4.1

m/s

WindS

56

mm of precipitation

(8% of annual average)

+17

°C

Water temperature

air humidity 80%; 56 millimeters of precipitation (8% of annual average); Wind southerly 4.1 Meters per second; Water temperature +17°

Weather graphs for September

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

S

S

S

S

S

SW

S

S

S

S

S

SW

S

SW

S

S

S

S

S

SE

S

S

S

S

SW

SW

SW

SW

S

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

Paris
London
Manchester
Liverpool
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.

In September, the weather in Brighton is typically warm. Average daily high temperature in September is about 18 degrees above zero. On average, Brighton has 13 partly cloudy, 10 rainy, 4 sunny, and 3 cloudy days in September. The rains are usually moderate.

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