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September weather forecast in Dadonghai

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		77%
	3.9 m/s		+31

31 August, Sunday. day, 30°; night, 27°; rain

1 September, mon

	762 mmHg		77%
	3.7 m/s		+31

1 September, Monday. day, 30°; night, 27°; clear

2 September, tue

	762 mmHg		80%
	4 m/s		+30

2 September, Tuesday. day, 29°; night, 27°; rain

3 September, wed

	762 mmHg		76%
	3.7 m/s		+31

3 September, Wednesday. day, 30°; night, 27°; rain

4 September, thu

	762 mmHg		80%
	3.2 m/s		+30

4 September, Thursday. day, 29°; night, 27°; rain

5 September, fri

	762 mmHg		80%
	3.2 m/s		+31

5 September, Friday. day, 30°; night, 27°; rain

6 September, sat

	762 mmHg		77%
	3.5 m/s		+31

6 September, Saturday. day, 30°; night, 27°; overcast

7 September, sun

	763 mmHg		79%
	4.1 m/s		+31

7 September, Sunday. day, 29°; night, 27°; rain

8 September, mon

	763 mmHg		80%
	4 m/s		+31

8 September, Monday. day, 29°; night, 27°; rain

9 September, tue

	763 mmHg		75%
	3.9 m/s		+31

9 September, Tuesday. day, 31°; night, 27°; rain

10 September, wed

	763 mmHg		79%
	3.9 m/s		+30

10 September, Wednesday. day, 29°; night, 27°; rain

11 September, thu

	763 mmHg		77%
	4.3 m/s		+31

11 September, Thursday. day, 30°; night, 27°; rain

12 September, fri

	763 mmHg		79%
	3.5 m/s		+31

12 September, Friday. day, 29°; night, 27°; clear

13 September, sat

	763 mmHg		79%
	5.5 m/s		+31

13 September, Saturday. day, 29°; night, 26°; clear

14 September, sun

	761 mmHg		81%
	6.4 m/s		+29

14 September, Sunday. day, 29°; night, 26°; rain

15 September, mon

	761 mmHg		80%
	5.1 m/s		+30

15 September, Monday. day, 29°; night, 26°; rain

16 September, tue

	761 mmHg		81%
	5.5 m/s		+30

16 September, Tuesday. day, 29°; night, 26°; rain

17 September, wed

	763 mmHg		79%
	3 m/s		+30

17 September, Wednesday. day, 29°; night, 26°; rain

18 September, thu

	763 mmHg		79%
	4 m/s		+31

18 September, Thursday. day, 30°; night, 27°; rain

19 September, fri

	763 mmHg		76%
	3.4 m/s		+31

19 September, Friday. day, 30°; night, 27°; rain

20 September, sat

	763 mmHg		76%
	3.2 m/s		+31

20 September, Saturday. day, 30°; night, 26°; rain

21 September, sun

	763 mmHg		75%
	3.5 m/s		+31

21 September, Sunday. day, 30°; night, 26°; overcast

22 September, mon

	762 mmHg		80%
	3.5 m/s		+31

22 September, Monday. day, 29°; night, 26°; rain

23 September, tue

	762 mmHg		79%
	4.3 m/s		+30

23 September, Tuesday. day, 29°; night, 26°; overcast

24 September, wed

	762 mmHg		76%
	3.9 m/s		+31

24 September, Wednesday. day, 29°; night, 26°; rain

25 September, thu

	762 mmHg		79%
	5.8 m/s		+30

25 September, Thursday. day, 29°; night, 26°; rain

26 September, fri

	763 mmHg		77%
	5 m/s		+30

26 September, Friday. day, 29°; night, 26°; partly cloudy

27 September, sat

	763 mmHg		76%
	4.5 m/s		+31

27 September, Saturday. day, 30°; night, 26°; rain

28 September, sun

	762 mmHg		75%
	6.5 m/s		+31

28 September, Sunday. day, 30°; night, 26°; rain

29 September, mon

	761 mmHg		80%
	8.8 m/s		+30

29 September, Monday. day, 29°; night, 26°; clear

30 September, tue

	762 mmHg		80%
	7.5 m/s		+30

30 September, Tuesday. day, 29°; night, 26°; clear

1 October, wed

	764 mmHg		80%
	5.3 m/s		+30

1 October, Wednesday. day, 29°; night, 26°; rain

2 October, thu

	764 mmHg		81%
	4.1 m/s		+30

2 October, Thursday. day, 28°; night, 26°; rain

3 October, fri

	764 mmHg		81%
	4.3 m/s		+29

3 October, Friday. day, 28°; night, 25°; rain

4 October, sat

	763 mmHg		81%
	6.4 m/s		+29

4 October, Saturday. day, 27°; night, 25°; rain

Average data for 10 years

Dadonghai September

4

sunny days

22

days with precipitation

4

cloudy days

4 sunny days; 22 days with precipitation; 4 cloudy days;

79

%

air humidity

3.2

m/s

WindE

174

mm of precipitation

(15% of annual average)

+31

°C

Water temperature

air humidity 79%; 174 millimeters of precipitation (15% of annual average); Wind easterly 3.2 Meters per second; Water temperature +31°

Weather graphs for September

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

SW

SW

SE

E

E

E

NE

E

NE

NE

E

E

NE

NE

E

W

E

E

E

NE

NE

NE

NE

NE

E

NE

NE

NE

NE

E

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

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

In September, the weather in Dadonghai is typically hot. Average daily high temperature in September is about 29 degrees above zero. On average, Dadonghai has 21 rainy, 5 sunny, 3 cloudy, and 1 partly cloudy day in September. The rains are usually heavy. September as well as May, June, July, and August is considered the most uncomfortable time to visit Dadonghai.

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