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September weather forecast in Gloucester

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

	762 mmHg		78%
	5.9 m/s		+23

31 August, Sunday. day, 22°; night, 18°; clear

1 September, mon

	762 mmHg		77%
	5.4 m/s		+23

1 September, Monday. day, 21°; night, 18°; clear

2 September, tue

	763 mmHg		80%
	6 m/s		+22

2 September, Tuesday. day, 20°; night, 17°; partly cloudy

3 September, wed

	761 mmHg		81%
	5.9 m/s		+22

3 September, Wednesday. day, 21°; night, 17°; partly cloudy

4 September, thu

	761 mmHg		82%
	5.6 m/s		+22

4 September, Thursday. day, 21°; night, 18°; clear

5 September, fri

	763 mmHg		78%
	6.1 m/s		+22

5 September, Friday. day, 21°; night, 17°; clear

6 September, sat

	763 mmHg		79%
	6 m/s		+21

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

7 September, sun

	762 mmHg		81%
	6.1 m/s		+21

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

8 September, mon

	761 mmHg		82%
	5.9 m/s		+21

8 September, Monday. day, 21°; night, 17°; partly cloudy

9 September, tue

	762 mmHg		81%
	6.1 m/s		+20

9 September, Tuesday. day, 20°; night, 17°; overcast

10 September, wed

	763 mmHg		81%
	5.7 m/s		+20

10 September, Wednesday. day, 20°; night, 17°; rain

11 September, thu

	763 mmHg		78%
	6.2 m/s		+21

11 September, Thursday. day, 20°; night, 16°; rain

12 September, fri

	763 mmHg		78%
	6.2 m/s		+20

12 September, Friday. day, 20°; night, 16°; clear

13 September, sat

	762 mmHg		82%
	5.6 m/s		+21

13 September, Saturday. day, 20°; night, 16°; rain

14 September, sun

	762 mmHg		82%
	5.9 m/s		+21

14 September, Sunday. day, 20°; night, 17°; rain

15 September, mon

	763 mmHg		80%
	6.2 m/s		+19

15 September, Monday. day, 20°; night, 16°; partly cloudy

16 September, tue

	763 mmHg		79%
	6.1 m/s		+19

16 September, Tuesday. day, 19°; night, 15°; rain

17 September, wed

	763 mmHg		80%
	6.2 m/s		+20

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

18 September, thu

	762 mmHg		81%
	6.4 m/s		+19

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

19 September, fri

	763 mmHg		80%
	6.5 m/s		+19

19 September, Friday. day, 18°; night, 15°; clear

20 September, sat

	763 mmHg		80%
	6.2 m/s		+19

20 September, Saturday. day, 18°; night, 15°; clear

21 September, sun

	763 mmHg		78%
	6 m/s		+19

21 September, Sunday. day, 18°; night, 15°; clear

22 September, mon

	762 mmHg		81%
	6.4 m/s		+19

22 September, Monday. day, 19°; night, 16°; rain

23 September, tue

	762 mmHg		77%
	6.8 m/s		+20

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

24 September, wed

	763 mmHg		76%
	6.3 m/s		+19

24 September, Wednesday. day, 18°; night, 14°; clear

25 September, thu

	763 mmHg		78%
	5.9 m/s		+18

25 September, Thursday. day, 18°; night, 14°; partly cloudy

26 September, fri

	763 mmHg		81%
	6.2 m/s		+19

26 September, Friday. day, 18°; night, 15°; rain

27 September, sat

	762 mmHg		83%
	6 m/s		+19

27 September, Saturday. day, 18°; night, 15°; partly cloudy

28 September, sun

	761 mmHg		84%
	6.3 m/s		+18

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

29 September, mon

	762 mmHg		80%
	6.9 m/s		+17

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

30 September, tue

	763 mmHg		78%
	6.5 m/s		+17

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

1 October, wed

	762 mmHg		80%
	6.4 m/s		+17

1 October, Wednesday. day, 16°; night, 13°; partly cloudy

2 October, thu

	762 mmHg		79%
	6.5 m/s		+17

2 October, Thursday. day, 16°; night, 13°; partly cloudy

3 October, fri

	764 mmHg		79%
	6 m/s		+16

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

4 October, sat

	764 mmHg		81%
	6.5 m/s		+17

4 October, Saturday. day, 16°; night, 13°; rain

Average data for 10 years

Gloucester September

11

sunny days

9

days with precipitation

7

cloudy days

11 sunny days; 9 days with precipitation; 7 cloudy days;

80

%

air humidity

4.3

m/s

WindS

89

mm of precipitation

(8% of annual average)

+20

°C

Water temperature

air humidity 80%; 89 millimeters of precipitation (8% of annual average); Wind southerly 4.3 Meters per second; Water temperature +20°

Weather graphs for September

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

SW

S

S

SW

S

S

S

S

S

S

S

S

S

S

SW

SW

S

S

S

S

S

S

SW

S

S

S

S

S

S

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

New York
Boston
Islandia
Colchester
Jamaica
Brookhaven
Lake George
Portland
Berlin

Cities with similar weather in September

San Francisco
Podgorica
Toronto
Vancouver
Seattle
Balkhash
Montreal
San Sebastian
Durban

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

In September, the weather in Gloucester is typically warm. Average daily high temperature in September is about 19 degrees above zero. On average, Gloucester has 11 sunny, 9 rainy, 7 partly cloudy, and 3 cloudy days in September. The rains are usually heavy.

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