S
M
T
W
T
F
S
30
80°
67°
31
94°
71°
1
95°
73°
2
96°
72°
3
94°
74°
4
94°
74°
5
88°
72°
6
82°
63°
7
82°
59°
8
86°
71°
9
82°
67°
10
80°
57°
11
80°
63°
12
84°
66°
13
81°
68°
14
85°
68°
15
76°
58°
16
72°
54°
17
74°
56°
18
70°
51°
19
70°
49°
20
69°
54°
21
73°
53°
22
69°
58°
23
71°
57°
24
77°
57°
25
78°
58°
26
77°
58°
27
77°
57°
28
78°
58°
29
77°
59°
30
77°
58°
1
75°
53°
2
70°
46°
3
63°
44°
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 63° to 86°, with overnight lows between 44° and 71°. The average high for September is 76° with an average low of 58°. 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.
