S
M
T
W
T
F
S
30
74°
58°
31
74°
60°
1
75°
53°
2
80°
62°
3
82°
59°
4
84°
54°
5
79°
50°
6
77°
50°
7
77°
57°
8
79°
57°
9
78°
48°
10
71°
47°
11
70°
45°
12
69°
48°
13
70°
53°
14
69°
45°
15
70°
44°
16
66°
43°
17
67°
44°
18
67°
43°
19
66°
43°
20
67°
44°
21
67°
47°
22
70°
51°
23
72°
48°
24
75°
53°
25
74°
50°
26
74°
41°
27
65°
50°
28
67°
49°
29
69°
46°
30
68°
46°
1
64°
45°
2
62°
42°
3
63°
48°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Forest City
Forest City's September 2026 forecast shows daily high temperatures ranging from 62° to 84°, with overnight lows between 41° and 62°. The average high for September is 71° with an average low of 49°. 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 Forest City. See also: October | November | December.
