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September weather forecast in Beihai

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

	755 mmHg		77%
	4.5 m/s		+30

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

1 September, mon

	755 mmHg		77%
	4.6 m/s		+30

1 September, Monday. day, 30°; night, 28°; rain

2 September, tue

	755 mmHg		80%
	5 m/s		+30

2 September, Tuesday. day, 30°; night, 28°; rain

3 September, wed

	755 mmHg		80%
	4.6 m/s		+30

3 September, Wednesday. day, 29°; night, 28°; rain

4 September, thu

	755 mmHg		77%
	4.8 m/s		+30

4 September, Thursday. day, 30°; night, 28°; rain

5 September, fri

	755 mmHg		80%
	3.7 m/s		+30

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

6 September, sat

	756 mmHg		81%
	4.5 m/s		+30

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

7 September, sun

	756 mmHg		81%
	4.1 m/s		+30

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

8 September, mon

	756 mmHg		82%
	4 m/s		+30

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

9 September, tue

	757 mmHg		80%
	4 m/s		+30

9 September, Tuesday. day, 30°; night, 27°; rain

10 September, wed

	756 mmHg		79%
	3.7 m/s		+30

10 September, Wednesday. day, 30°; night, 28°; rain

11 September, thu

	756 mmHg		81%
	4.5 m/s		+30

11 September, Thursday. day, 29°; night, 28°; rain

12 September, fri

	757 mmHg		81%
	4.6 m/s		+30

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

13 September, sat

	757 mmHg		82%
	4.3 m/s		+30

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

14 September, sun

	756 mmHg		81%
	5.4 m/s		+30

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

15 September, mon

	755 mmHg		81%
	5.4 m/s		+29

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

16 September, tue

	754 mmHg		79%
	6.8 m/s		+29

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

17 September, wed

	756 mmHg		77%
	5.5 m/s		+30

17 September, Wednesday. day, 30°; night, 27°; partly cloudy

18 September, thu

	757 mmHg		76%
	5.1 m/s		+30

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

19 September, fri

	756 mmHg		79%
	4.5 m/s		+30

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

20 September, sat

	756 mmHg		79%
	5 m/s		+30

20 September, Saturday. day, 29°; night, 27°; rain

21 September, sun

	756 mmHg		77%
	5 m/s		+30

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

22 September, mon

	756 mmHg		75%
	5.8 m/s		+29

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

23 September, tue

	756 mmHg		76%
	5 m/s		+29

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

24 September, wed

	756 mmHg		79%
	4.8 m/s		+29

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

25 September, thu

	755 mmHg		82%
	7 m/s		+29

25 September, Thursday. day, 28°; night, 26°; clear

26 September, fri

	757 mmHg		82%
	6 m/s		+29

26 September, Friday. day, 28°; night, 26°; rain

27 September, sat

	757 mmHg		80%
	4.8 m/s		+29

27 September, Saturday. day, 29°; night, 25°; partly cloudy

28 September, sun

	756 mmHg		76%
	5.4 m/s		+29

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

29 September, mon

	755 mmHg		77%
	7.8 m/s		+29

29 September, Monday. day, 28°; night, 26°; rain

30 September, tue

	757 mmHg		77%
	7.5 m/s		+29

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

1 October, wed

	758 mmHg		79%
	5.9 m/s		+29

1 October, Wednesday. day, 28°; night, 25°; rain

2 October, thu

	759 mmHg		76%
	5.5 m/s		+29

2 October, Thursday. day, 28°; night, 25°; rain

3 October, fri

	758 mmHg		73%
	5.3 m/s		+29

3 October, Friday. day, 28°; night, 25°; partly cloudy

4 October, sat

	758 mmHg		75%
	7.5 m/s		+29

4 October, Saturday. day, 28°; night, 26°; rain

Average data for 10 years

Beihai September

5

sunny days

23

days with precipitation

2

cloudy days

5 sunny days; 23 days with precipitation; 2 cloudy days;

80

%

air humidity

3.9

m/s

WindNE

226

mm of precipitation

(13% of annual average)

+30

°C

Water temperature

air humidity 80%; 226 millimeters of precipitation (13% of annual average); Wind north-easterly 3.9 Meters per second; Water temperature +30°

Weather graphs for September

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

S

SE

S

SE

E

E

E

E

SE

SE

E

E

NE

NE

NE

NE

E

E

E

NE

N

NE

NE

NE

NE

NE

NE

N

N

NE

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

Sanya
Hanoi
Dadonghai
Yalong Bay
Haikou
Ha Long
Guilin
Lingshui
Boao

Cities with similar weather in September

Nha Trang
Ayia Napa
Sanya
Hurgada
Protaras
Varadero
Havana
Hong Kong
Ko Chang

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

In September, the weather in Beihai is typically hot. Average daily high temperature in September is about 29 degrees above zero. On average, Beihai has 23 rainy, 5 sunny, and 2 partly cloudy days in September. The rains are usually heavy. September as well as May, June, July, and August is considered the most uncomfortable time to visit Beihai.

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