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
N/A
23
65°
45°
24
63°
47°
25
65°
53°
26
63°
54°
27
64°
50°
28
66°
50°
29
71°
50°
30
70°
49°
1
74°
50°
2
69°
44°
3
65°
48°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Franklin
Franklin's September 2026 forecast shows daily high temperatures ranging from 63° to 74°, with overnight lows between 44° and 54°. The average high for September is 67° with an average low of 49°. 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.
