S
M
T
W
T
F
S
30
81°
58°
31
82°
58°
1
83°
59°
2
83°
60°
3
81°
63°
4
85°
57°
5
81°
62°
6
84°
60°
7
80°
62°
8
83°
61°
9
80°
60°
10
79°
61°
11
82°
60°
12
84°
60°
13
82°
59°
14
84°
61°
15
84°
60°
16
83°
60°
17
83°
57°
18
82°
53°
19
77°
53°
20
77°
50°
21
75°
52°
22
74°
53°
23
77°
54°
24
80°
51°
25
80°
54°
26
78°
55°
27
79°
54°
28
78°
53°
29
77°
54°
30
78°
53°
1
76°
51°
2
78°
52°
3
73°
52°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Rocky Top
Rocky Top's September 2026 forecast shows daily high temperatures ranging from 73° to 85°, with overnight lows between 50° and 63°. The average high for September is 80° with an average low of 57°. 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 Rocky Top. See also: October | November | December.
