S
M
T
W
T
F
S
30
85°
60°
31
86°
62°
1
88°
61°
2
82°
60°
3
81°
66°
4
87°
65°
5
87°
66°
6
86°
60°
7
81°
58°
8
81°
64°
9
83°
63°
10
86°
63°
11
82°
65°
12
85°
61°
13
82°
55°
14
78°
55°
15
77°
56°
16
77°
55°
17
78°
59°
18
82°
62°
19
83°
61°
20
82°
60°
21
81°
59°
22
82°
60°
23
80°
52°
24
81°
51°
25
74°
50°
26
72°
50°
27
Hist. Avg.
78°
51°
28
Hist. Avg.
77°
51°
29
Hist. Avg.
77°
50°
30
Hist. Avg.
76°
50°
1
Hist. Avg.
76°
50°
2
Hist. Avg.
76°
49°
3
Hist. Avg.
75°
49°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in West Frankfort
West Frankfort's September 2026 forecast shows daily high temperatures ranging from 72° to 88°, with overnight lows between 50° and 66°. The average high for September is 82° with an average low of 59°. 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 West Frankfort. See also: October | November | December.