S
M
T
W
T
F
S
30
83°
76°
31
87°
75°
1
90°
78°
2
87°
76°
3
90°
79°
4
89°
77°
5
89°
77°
6
91°
76°
7
89°
77°
8
90°
75°
9
88°
60°
10
88°
77°
11
89°
76°
12
88°
76°
13
85°
74°
14
87°
75°
15
89°
76°
16
90°
76°
17
89°
75°
18
88°
73°
19
90°
72°
20
89°
74°
21
90°
75°
22
88°
75°
23
89°
76°
24
88°
75°
25
85°
76°
26
86°
76°
27
86°
75°
28
86°
76°
29
86°
76°
30
85°
75°
1
86°
76°
2
85°
76°
3
86°
75°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Nanwei
Nanwei's September 2026 forecast shows daily high temperatures ranging from 85° to 90°, with overnight lows between 72° and 76°. The average high for September is 87° with an average low of 75°. 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 Nanwei. See also: October | November | December.