S
M
T
W
T
F
S
30
82°
55°
31
76°
61°
1
67°
59°
2
75°
58°
3
80°
62°
4
82°
61°
5
72°
58°
6
67°
54°
7
77°
51°
8
79°
54°
9
78°
57°
10
83°
67°
11
75°
52°
12
75°
48°
13
69°
56°
14
72°
51°
15
69°
46°
16
75°
48°
17
79°
64°
18
78°
60°
19
65°
51°
20
62°
52°
21
66°
51°
22
64°
48°
23
64°
46°
24
64°
44°
25
62°
44°
26
60°
54°
27
63°
58°
28
59°
54°
29
64°
54°
30
68°
54°
1
74°
54°
2
84°
53°
3
70°
42°
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 70° to 84°, with overnight lows between 42° and 53°. The average high for September is 77° with an average low of 48°. 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.
