S
M
T
W
T
F
S
30
82°
56°
31
76°
59°
1
76°
53°
2
83°
62°
3
83°
62°
4
86°
57°
5
84°
54°
6
77°
50°
7
77°
51°
8
78°
58°
9
77°
51°
10
75°
50°
11
72°
47°
12
71°
47°
13
72°
55°
14
72°
46°
15
73°
45°
16
71°
44°
17
69°
45°
18
69°
45°
19
68°
44°
20
67°
44°
21
68°
45°
22
69°
46°
23
70°
48°
24
73°
52°
25
76°
51°
26
75°
43°
27
71°
50°
28
67°
52°
29
71°
46°
30
73°
47°
1
69°
48°
2
64°
40°
3
64°
48°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in What Cheer
What Cheer's September 2026 forecast shows daily high temperatures ranging from 64° to 86°, with overnight lows between 40° and 62°. The average high for September is 73° with an average low of 50°. 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 What Cheer. See also: October | November | December.