S
M
T
W
T
F
S
30
78°
57°
31
71°
64°
1
83°
67°
2
78°
69°
3
83°
66°
4
82°
58°
5
76°
55°
6
74°
51°
7
76°
54°
8
73°
51°
9
75°
55°
10
77°
53°
11
74°
55°
12
72°
54°
13
74°
52°
14
73°
51°
15
72°
54°
16
72°
55°
17
73°
47°
18
68°
45°
19
68°
46°
20
70°
50°
21
76°
54°
22
76°
54°
23
77°
53°
24
76°
52°
25
74°
49°
26
74°
51°
27
75°
52°
28
75°
51°
29
74°
48°
30
68°
44°
1
65°
42°
2
68°
48°
3
72°
49°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Forty Fort
Forty Fort's September 2026 forecast shows daily high temperatures ranging from 65° to 83°, with overnight lows between 42° and 69°. The average high for September is 74° with an average low of 53°. 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 Forty Fort. See also: October | November | December.