S
M
T
W
T
F
S
30
78°
58°
31
81°
58°
1
80°
50°
2
77°
49°
3
71°
52°
4
73°
55°
5
75°
58°
6
78°
51°
7
77°
48°
8
71°
51°
9
71°
56°
10
70°
56°
11
76°
55°
12
73°
51°
13
69°
52°
14
67°
49°
15
68°
47°
16
67°
45°
17
67°
51°
18
68°
46°
19
68°
51°
20
67°
54°
21
72°
51°
22
71°
43°
23
65°
48°
24
64°
52°
25
67°
44°
26
69°
42°
27
Hist. Avg.
67°
45°
28
Hist. Avg.
66°
45°
29
Hist. Avg.
66°
44°
30
Hist. Avg.
66°
44°
1
Hist. Avg.
65°
44°
2
Hist. Avg.
65°
43°
3
Hist. Avg.
64°
43°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in China
China's September 2026 forecast shows daily high temperatures ranging from 64° to 81°, with overnight lows between 42° and 58°. The average high for September is 71° with an average low of 51°. 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 China. See also: October | November | December.