S
M
T
W
T
F
S
30
95°
70°
31
97°
73°
1
98°
73°
2
99°
73°
3
100°
75°
4
100°
76°
5
101°
75°
6
98°
73°
7
91°
71°
8
93°
72°
9
95°
74°
10
95°
75°
11
94°
72°
12
93°
73°
13
97°
68°
14
94°
75°
15
100°
71°
16
99°
75°
17
99°
75°
18
100°
74°
19
100°
73°
20
98°
75°
21
99°
75°
22
80°
67°
23
74°
63°
24
83°
63°
25
83°
61°
26
84°
56°
27
84°
57°
28
85°
51°
29
87°
52°
30
92°
57°
1
90°
70°
2
85°
67°
3
76°
66°
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 76° to 90°, with overnight lows between 66° and 70°. The average high for September is 84° with an average low of 68°. 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.
