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September weather forecast in Chengdu

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

	713 mmHg		78%
	2.7 m/s

31 August, Sunday. day, 28°; night, 22°; partly cloudy

1 September, mon

	713 mmHg		77%
	2.7 m/s

1 September, Monday. day, 28°; night, 22°; rain

2 September, tue

	713 mmHg		78%
	2.7 m/s

2 September, Tuesday. day, 27°; night, 21°; rain

3 September, wed

	713 mmHg		77%
	2.8 m/s

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

4 September, thu

	713 mmHg		78%
	3 m/s

4 September, Thursday. day, 27°; night, 21°; rain

5 September, fri

	713 mmHg		78%
	2.9 m/s

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

6 September, sat

	713 mmHg		77%
	3 m/s

6 September, Saturday. day, 27°; night, 21°; rain

7 September, sun

	714 mmHg		78%
	2.9 m/s

7 September, Sunday. day, 27°; night, 21°; partly cloudy

8 September, mon

	714 mmHg		77%
	2.7 m/s

8 September, Monday. day, 27°; night, 21°; partly cloudy

9 September, tue

	714 mmHg		78%
	3.3 m/s

9 September, Tuesday. day, 27°; night, 20°; rain

10 September, wed

	714 mmHg		76%
	2.9 m/s

10 September, Wednesday. day, 27°; night, 20°; rain

11 September, thu

	714 mmHg		77%
	2.9 m/s

11 September, Thursday. day, 26°; night, 20°; rain

12 September, fri

	715 mmHg		77%
	3 m/s

12 September, Friday. day, 26°; night, 20°; rain

13 September, sat

	715 mmHg		78%
	3.2 m/s

13 September, Saturday. day, 25°; night, 20°; rain

14 September, sun

	715 mmHg		80%
	2.6 m/s

14 September, Sunday. day, 25°; night, 19°; clear

15 September, mon

	714 mmHg		78%
	2.6 m/s

15 September, Monday. day, 26°; night, 20°; partly cloudy

16 September, tue

	714 mmHg		80%
	3.1 m/s

16 September, Tuesday. day, 25°; night, 20°; rain

17 September, wed

	715 mmHg		79%
	3.1 m/s

17 September, Wednesday. day, 25°; night, 19°; rain

18 September, thu

	715 mmHg		80%
	2.8 m/s

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

19 September, fri

	715 mmHg		79%
	3.2 m/s

19 September, Friday. day, 25°; night, 19°; overcast

20 September, sat

	716 mmHg		76%
	3.1 m/s

20 September, Saturday. day, 25°; night, 19°; partly cloudy

21 September, sun

	716 mmHg		76%
	2.6 m/s

21 September, Sunday. day, 25°; night, 19°; overcast

22 September, mon

	716 mmHg		78%
	2.9 m/s

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

23 September, tue

	716 mmHg		81%
	2.9 m/s

23 September, Tuesday. day, 23°; night, 19°; rain

24 September, wed

	716 mmHg		81%
	2.7 m/s

24 September, Wednesday. day, 24°; night, 19°; overcast

25 September, thu

	716 mmHg		79%
	2.9 m/s

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

26 September, fri

	716 mmHg		81%
	3 m/s

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

27 September, sat

	716 mmHg		81%
	2.9 m/s

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

28 September, sun

	716 mmHg		79%
	2.7 m/s

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

29 September, mon

	716 mmHg		79%
	2.8 m/s

29 September, Monday. day, 24°; night, 18°; clear

30 September, tue

	716 mmHg		78%
	2.9 m/s

30 September, Tuesday. day, 24°; night, 18°; overcast

1 October, wed

	717 mmHg		78%
	2.9 m/s

1 October, Wednesday. day, 23°; night, 18°; overcast

2 October, thu

	717 mmHg		78%
	2.6 m/s

2 October, Thursday. day, 23°; night, 18°; rain

3 October, fri

	718 mmHg		79%
	2.6 m/s

3 October, Friday. day, 22°; night, 17°; overcast

4 October, sat

	718 mmHg		78%
	2.9 m/s

4 October, Saturday. day, 22°; night, 17°; rain

Average data for 10 years

Chengdu September

3

sunny days

15

days with precipitation

16

cloudy days

3 sunny days; 15 days with precipitation; 16 cloudy days;

78

%

air humidity

1.7

m/s

WindS

153

mm of precipitation

(15% of annual average)

air humidity 78%; 153 millimeters of precipitation (15% of annual average); Wind southerly 1.7 Meters per second

Weather graphs for September

TemperaturePrecipitation chance, %Humidity, %Wind, m/sPressure, mmHg

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S

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SE

SE

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S

S

S

S

S

S

1

Average data for 10 years

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10

11

12

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Daytime temperature

Night-time temperature

Cities near you

Chongqing
Yibin
Luzhou
Mianyang
Leshan
Zigong
Deyang
Hanzhong
Beibei

Cities with similar weather in September

Athens
Bodrum
Valencia
Alicante
Majorca
Palermo
Kerkyra
Retimno
Catania

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

In September, the weather in Chengdu is typically warm. Average daily high temperature in September is about 25 degrees above zero. On average, Chengdu has 15 rainy, 8 cloudy, 4 partly cloudy, and 3 sunny days in September. The rains are usually heavy.

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