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September weather forecast in Shanghai

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

	756 mmHg		78%
	4.5 m/s		+28

31 August, Sunday. day, 29°; night, 24°; partly cloudy

1 September, mon

	756 mmHg		79%
	4.4 m/s		+28

1 September, Monday. day, 30°; night, 24°; partly cloudy

2 September, tue

	757 mmHg		79%
	4.4 m/s		+28

2 September, Tuesday. day, 30°; night, 24°; rain

3 September, wed

	757 mmHg		79%
	4.1 m/s		+28

3 September, Wednesday. day, 29°; night, 23°; rain

4 September, thu

	757 mmHg		80%
	4.3 m/s		+27

4 September, Thursday. day, 29°; night, 24°; rain

5 September, fri

	756 mmHg		80%
	4.3 m/s		+27

5 September, Friday. day, 29°; night, 23°; rain

6 September, sat

	757 mmHg		78%
	4.5 m/s		+27

6 September, Saturday. day, 29°; night, 23°; clear

7 September, sun

	758 mmHg		77%
	4 m/s		+27

7 September, Sunday. day, 29°; night, 23°; clear

8 September, mon

	758 mmHg		77%
	3.8 m/s		+27

8 September, Monday. day, 29°; night, 23°; clear

9 September, tue

	758 mmHg		78%
	4.1 m/s		+28

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

10 September, wed

	758 mmHg		78%
	4.3 m/s		+27

10 September, Wednesday. day, 28°; night, 23°; rain

11 September, thu

	758 mmHg		81%
	4.69 m/s		+27

11 September, Thursday. day, 28°; night, 23°; rain

12 September, fri

	759 mmHg		81%
	4.6 m/s		+27

12 September, Friday. day, 28°; night, 23°; rain

13 September, sat

	758 mmHg		81%
	4.69 m/s		+27

13 September, Saturday. day, 28°; night, 23°; rain

14 September, sun

	758 mmHg		82%
	5.3 m/s		+26

14 September, Sunday. day, 27°; night, 23°; rain

15 September, mon

	758 mmHg		82%
	5.3 m/s		+26

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

16 September, tue

	758 mmHg		78%
	5.2 m/s		+26

16 September, Tuesday. day, 28°; night, 22°; clear

17 September, wed

	759 mmHg		77%
	4.6 m/s		+26

17 September, Wednesday. day, 28°; night, 21°; clear

18 September, thu

	759 mmHg		77%
	4.5 m/s		+26

18 September, Thursday. day, 28°; night, 22°; clear

19 September, fri

	759 mmHg		78%
	5 m/s		+26

19 September, Friday. day, 28°; night, 22°; clear

20 September, sat

	759 mmHg		78%
	4.8 m/s		+25

20 September, Saturday. day, 27°; night, 21°; overcast

21 September, sun

	760 mmHg		77%
	4.8 m/s		+25

21 September, Sunday. day, 26°; night, 20°; partly cloudy

22 September, mon

	761 mmHg		77%
	4.6 m/s		+25

22 September, Monday. day, 25°; night, 19°; rain

23 September, tue

	761 mmHg		77%
	4.19 m/s		+26

23 September, Tuesday. day, 26°; night, 20°; partly cloudy

24 September, wed

	761 mmHg		77%
	4 m/s		+25

24 September, Wednesday. day, 26°; night, 20°; clear

25 September, thu

	761 mmHg		78%
	3.9 m/s		+26

25 September, Thursday. day, 26°; night, 20°; partly cloudy

26 September, fri

	761 mmHg		77%
	4.4 m/s		+26

26 September, Friday. day, 26°; night, 21°; clear

27 September, sat

	761 mmHg		78%
	4.4 m/s		+25

27 September, Saturday. day, 26°; night, 21°; partly cloudy

28 September, sun

	761 mmHg		79%
	4.69 m/s		+25

28 September, Sunday. day, 26°; night, 20°; partly cloudy

29 September, mon

	761 mmHg		79%
	4.9 m/s		+23

29 September, Monday. day, 26°; night, 20°; rain

30 September, tue

	761 mmHg		79%
	4.9 m/s		+24

30 September, Tuesday. day, 25°; night, 20°; clear

1 October, wed

	761 mmHg		77%
	4.6 m/s		+24

1 October, Wednesday. day, 26°; night, 19°; clear

2 October, thu

	762 mmHg		75%
	4.69 m/s		+24

2 October, Thursday. day, 26°; night, 19°; clear

3 October, fri

	762 mmHg		73%
	4.6 m/s		+24

3 October, Friday. day, 25°; night, 19°; partly cloudy

4 October, sat

	763 mmHg		73%
	4.69 m/s		+23

4 October, Saturday. day, 24°; night, 18°; clear

Average data for 10 years

Shanghai September

11

sunny days

12

days with precipitation

8

cloudy days

11 sunny days; 12 days with precipitation; 8 cloudy days;

79

%

air humidity

3.1

m/s

WindSE

115

mm of precipitation

(9% of annual average)

+26

°C

Water temperature

air humidity 79%; 115 millimeters of precipitation (9% of annual average); Wind south-easterly 3.1 Meters per second; Water temperature +26°

Weather graphs for September

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

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SE

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SE

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SE

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SE

SE

SE

1

Average data for 10 years

2

3

4

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10

11

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29

30

Daytime temperature

Night-time temperature

Cities near you

Hangzhou
Yiwu
Ningbo
Nanjing
Suzhou
Wenzhou
Taizhou
Zhenjiang
Wuhu

Cities with similar weather in September

Antalya
Tunis
Marmaris
Paphos
Jerba
Limassol
Rhodes
Tokyo
Sousse

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

In September, the weather in Shanghai is typically hot. Average daily high temperature in September is about 28 degrees above zero. On average, Shanghai has 12 rainy, 11 sunny, 6 partly cloudy, and 1 cloudy day in September. The rains are usually heavy.

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