S
M
T
W
T
F
S
30
94°
63°
31
96°
68°
1
97°
67°
2
98°
69°
3
100°
70°
4
100°
71°
5
95°
70°
6
84°
62°
7
87°
57°
8
90°
66°
9
93°
70°
10
79°
72°
11
80°
69°
12
84°
70°
13
90°
66°
14
81°
58°
15
95°
58°
16
97°
70°
17
95°
70°
18
89°
70°
19
91°
68°
20
93°
71°
21
88°
64°
22
N/A
23
69°
62°
24
70°
62°
25
77°
52°
26
78°
46°
27
77°
44°
28
80°
45°
29
81°
54°
30
86°
63°
1
89°
70°
2
81°
60°
3
70°
60°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Frankfort
Frankfort's September 2026 forecast shows daily high temperatures ranging from 70° to 89°, with overnight lows between 54° and 70°. The average high for September is 81° with an average low of 61°. 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.
