S
M
T
W
T
F
S
30
91°
77°
31
89°
77°
1
81°
77°
2
89°
79°
3
90°
76°
4
90°
76°
5
89°
76°
6
90°
76°
7
92°
75°
8
91°
74°
9
87°
74°
10
88°
73°
11
89°
74°
12
88°
73°
13
90°
72°
14
89°
73°
15
88°
71°
16
88°
70°
17
89°
71°
18
90°
70°
19
86°
70°
20
87°
69°
21
89°
73°
22
89°
73°
23
88°
72°
24
89°
73°
25
88°
72°
26
88°
72°
27
87°
71°
28
86°
71°
29
85°
72°
30
85°
71°
1
86°
65°
2
80°
64°
3
79°
62°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Franklin
Franklin's September 2026 forecast shows daily high temperatures ranging from 79° to 92°, with overnight lows between 62° and 75°. The average high for September is 87° with an average low of 71°. 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 Franklin. See also: October | November | December.
