S
M
T
W
T
F
S
30
76°
56°
31
77°
56°
1
77°
57°
2
76°
56°
3
76°
49°
4
69°
46°
5
68°
50°
6
69°
55°
7
75°
55°
8
76°
53°
9
75°
54°
10
68°
53°
11
73°
52°
12
73°
55°
13
74°
55°
14
73°
54°
15
74°
52°
16
73°
45°
17
67°
51°
18
72°
46°
19
67°
44°
20
67°
43°
21
61°
41°
22
61°
49°
23
63°
45°
24
62°
42°
25
60°
41°
26
60°
41°
27
62°
47°
28
68°
48°
29
67°
46°
30
64°
46°
1
60°
45°
2
60°
38°
3
59°
40°
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 59° to 77°, with overnight lows between 38° and 57°. The average high for September is 69° 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 Frankfort. See also: October | November | December.
