S
M
T
W
T
F
S
30
80°
60°
31
80°
60°
1
79°
56°
2
73°
52°
3
72°
52°
4
72°
51°
5
73°
51°
6
76°
57°
7
79°
58°
8
78°
58°
9
76°
57°
10
79°
57°
11
79°
56°
12
80°
57°
13
79°
58°
14
79°
48°
15
71°
48°
16
68°
47°
17
71°
48°
18
77°
53°
19
78°
54°
20
79°
54°
21
75°
48°
22
76°
44°
23
67°
45°
24
66°
50°
25
69°
52°
26
71°
52°
27
74°
51°
28
73°
51°
29
74°
50°
30
74°
51°
1
73°
49°
2
72°
44°
3
70°
41°
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 66° to 80°, with overnight lows between 41° and 60°. The average high for September is 75° with an average low of 52°. 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.
