S
M
T
W
T
F
S
30
72°
64°
31
83°
69°
1
81°
73°
2
76°
66°
3
76°
66°
4
78°
65°
5
77°
64°
6
77°
62°
7
70°
60°
8
69°
57°
9
74°
59°
10
71°
60°
11
67°
54°
12
67°
56°
13
69°
56°
14
68°
55°
15
73°
60°
16
73°
60°
17
70°
59°
18
70°
60°
19
71°
60°
20
72°
59°
21
73°
61°
22
73°
60°
23
72°
59°
24
71°
59°
25
72°
58°
26
71°
59°
27
72°
58°
28
71°
56°
29
69°
55°
30
68°
56°
1
68°
57°
2
69°
56°
3
68°
55°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Frankfort
Frankfort's September 2026 forecast shows daily high temperatures ranging from 67° to 81°, with overnight lows between 54° and 73°. The average high for September is 72° 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 Frankfort. See also: October | November | December.
