S
M
T
W
T
F
S
30
81°
67°
31
80°
67°
1
81°
68°
2
81°
66°
3
80°
67°
4
80°
66°
5
78°
65°
6
80°
66°
7
78°
65°
8
Hist. Avg.
78°
66°
9
Hist. Avg.
78°
66°
10
Hist. Avg.
77°
66°
11
Hist. Avg.
77°
66°
12
Hist. Avg.
77°
65°
13
Hist. Avg.
76°
65°
14
Hist. Avg.
76°
65°
15
Hist. Avg.
76°
65°
16
Hist. Avg.
75°
65°
17
Hist. Avg.
75°
64°
18
Hist. Avg.
75°
64°
19
Hist. Avg.
75°
64°
20
Hist. Avg.
74°
64°
21
Hist. Avg.
74°
63°
22
Hist. Avg.
74°
63°
23
Hist. Avg.
73°
63°
24
Hist. Avg.
73°
63°
25
Hist. Avg.
73°
63°
26
Hist. Avg.
73°
62°
27
Hist. Avg.
72°
62°
28
Hist. Avg.
72°
62°
29
Hist. Avg.
72°
62°
30
Hist. Avg.
72°
62°
1
Hist. Avg.
71°
61°
2
Hist. Avg.
71°
61°
3
Hist. Avg.
71°
61°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Chengdu
Chengdu's September 2026 forecast shows daily high temperatures ranging from 78° to 81°, with overnight lows between 65° and 68°. The average high for September is 80° with an average low of 66°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how September weather will actually feel in Chengdu. See also: October | November | December.
