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September weather forecast in Annapolis

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		72%
	4.8 m/s		+28

31 August, Sunday. day, 27°; night, 22°; overcast

1 September, mon

	762 mmHg		72%
	5.1 m/s		+27

1 September, Monday. day, 27°; night, 22°; rain

2 September, tue

	762 mmHg		72%
	4.9 m/s		+27

2 September, Tuesday. day, 26°; night, 21°; rain

3 September, wed

	761 mmHg		72%
	4.4 m/s		+27

3 September, Wednesday. day, 27°; night, 21°; overcast

4 September, thu

	761 mmHg		71%
	4.5 m/s		+27

4 September, Thursday. day, 27°; night, 21°; partly cloudy

5 September, fri

	762 mmHg		70%
	5.1 m/s		+27

5 September, Friday. day, 27°; night, 21°; clear

6 September, sat

	762 mmHg		72%
	5.3 m/s		+27

6 September, Saturday. day, 26°; night, 21°; clear

7 September, sun

	761 mmHg		73%
	4.9 m/s		+27

7 September, Sunday. day, 26°; night, 21°; clear

8 September, mon

	761 mmHg		74%
	4.69 m/s		+27

8 September, Monday. day, 26°; night, 21°; clear

9 September, tue

	761 mmHg		74%
	4.9 m/s		+26

9 September, Tuesday. day, 26°; night, 20°; clear

10 September, wed

	762 mmHg		74%
	4.8 m/s		+26

10 September, Wednesday. day, 25°; night, 20°; clear

11 September, thu

	763 mmHg		72%
	4.8 m/s		+25

11 September, Thursday. day, 25°; night, 20°; partly cloudy

12 September, fri

	763 mmHg		72%
	4.5 m/s		+25

12 September, Friday. day, 25°; night, 20°; rain

13 September, sat

	762 mmHg		74%
	4.6 m/s		+26

13 September, Saturday. day, 26°; night, 20°; clear

14 September, sun

	762 mmHg		73%
	4.9 m/s		+26

14 September, Sunday. day, 25°; night, 20°; clear

15 September, mon

	763 mmHg		71%
	5 m/s		+25

15 September, Monday. day, 25°; night, 20°; rain

16 September, tue

	763 mmHg		72%
	4.8 m/s		+24

16 September, Tuesday. day, 24°; night, 19°; overcast

17 September, wed

	763 mmHg		73%
	4.9 m/s		+24

17 September, Wednesday. day, 24°; night, 19°; rain

18 September, thu

	762 mmHg		74%
	5.3 m/s		+25

18 September, Thursday. day, 24°; night, 19°; overcast

19 September, fri

	763 mmHg		70%
	5.3 m/s		+24

19 September, Friday. day, 24°; night, 18°; clear

20 September, sat

	763 mmHg		71%
	4.6 m/s		+25

20 September, Saturday. day, 24°; night, 18°; clear

21 September, sun

	763 mmHg		71%
	4.6 m/s		+25

21 September, Sunday. day, 24°; night, 18°; clear

22 September, mon

	762 mmHg		73%
	5.2 m/s		+25

22 September, Monday. day, 24°; night, 19°; rain

23 September, tue

	762 mmHg		70%
	5.8 m/s		+25

23 September, Tuesday. day, 23°; night, 18°; partly cloudy

24 September, wed

	763 mmHg		70%
	5.2 m/s		+24

24 September, Wednesday. day, 23°; night, 18°; partly cloudy

25 September, thu

	762 mmHg		73%
	5.1 m/s		+23

25 September, Thursday. day, 23°; night, 18°; overcast

26 September, fri

	762 mmHg		75%
	5.3 m/s		+23

26 September, Friday. day, 23°; night, 18°; overcast

27 September, sat

	761 mmHg		77%
	5 m/s		+24

27 September, Saturday. day, 23°; night, 18°; rain

28 September, sun

	760 mmHg		77%
	5.5 m/s		+23

28 September, Sunday. day, 23°; night, 18°; rain

29 September, mon

	761 mmHg		73%
	5.7 m/s		+23

29 September, Monday. day, 21°; night, 17°; rain

30 September, tue

	762 mmHg		72%
	5.4 m/s		+22

30 September, Tuesday. day, 21°; night, 16°; rain

1 October, wed

	762 mmHg		72%
	5 m/s		+22

1 October, Wednesday. day, 21°; night, 16°; rain

2 October, thu

	763 mmHg		73%
	5 m/s		+22

2 October, Thursday. day, 21°; night, 16°; clear

3 October, fri

	763 mmHg		75%
	5 m/s		+22

3 October, Friday. day, 22°; night, 16°; clear

4 October, sat

	763 mmHg		77%
	5.1 m/s		+22

4 October, Saturday. day, 21°; night, 17°; overcast

Average data for 10 years

Annapolis September

11

sunny days

10

days with precipitation

7

cloudy days

11 sunny days; 10 days with precipitation; 7 cloudy days;

73

%

air humidity

3.5

m/s

WindS

118

mm of precipitation

(10% of annual average)

+25

°C

Water temperature

air humidity 73%; 118 millimeters of precipitation (10% of annual average); Wind southerly 3.5 Meters per second; Water temperature +25°

Weather graphs for September

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

SE

S

S

S

S

SE

S

S

S

S

S

S

S

S

S

S

SE

S

SE

S

S

S

S

S

SE

SE

SE

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
Washington
Islandia
Philadelphia
Pittsburgh
Raleigh
Baltimore
Edinburg
Jamaica

Cities with similar weather in September

Kemer
Barcelona
Rome
Baku
Budva
Venice
Thessaloniki
Salou
Naples

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

In September, the weather in Annapolis is typically warm. Average daily high temperature in September is about 25 degrees above zero. On average, Annapolis has 11 sunny, 10 rainy, 5 cloudy, and 4 partly cloudy days in September. The rains are usually heavy.

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