S
M
T
W
T
F
S
30
85°
67°
31
91°
72°
1
93°
71°
2
93°
72°
3
94°
74°
4
97°
70°
5
89°
61°
6
83°
59°
7
84°
63°
8
88°
66°
9
92°
68°
10
84°
59°
11
80°
58°
12
81°
56°
13
83°
60°
14
80°
55°
15
80°
56°
16
82°
57°
17
85°
53°
18
77°
58°
19
82°
59°
20
80°
58°
21
78°
57°
22
79°
56°
23
76°
52°
24
73°
54°
25
79°
55°
26
76°
50°
27
69°
46°
28
68°
44°
29
67°
45°
30
67°
44°
1
66°
42°
2
67°
50°
3
72°
51°
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 97°, with overnight lows between 42° and 70°. The average high for September is 79° with an average low of 55°. 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.
