S
M
T
W
T
F
S
30
92°
67°
31
92°
66°
1
89°
66°
2
89°
65°
3
88°
64°
4
85°
60°
5
86°
61°
6
88°
65°
7
89°
63°
8
88°
65°
9
88°
64°
10
86°
64°
11
85°
62°
12
82°
62°
13
82°
61°
14
83°
62°
15
82°
63°
16
84°
61°
17
84°
59°
18
83°
61°
19
82°
58°
20
80°
54°
21
78°
54°
22
79°
55°
23
84°
55°
24
83°
59°
25
84°
60°
26
83°
56°
27
80°
56°
28
78°
52°
29
77°
50°
30
78°
55°
1
78°
56°
2
Hist. Avg.
78°
50°
3
Hist. Avg.
77°
50°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Sevierville
Sevierville's September 2026 forecast shows daily high temperatures ranging from 77° to 92°, with overnight lows between 50° and 67°. The average high for September is 84° with an average low of 60°. 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 Sevierville. See also: October | November | December.
