S
M
T
W
T
F
S
30
93°
67°
31
91°
68°
1
94°
69°
2
97°
68°
3
97°
70°
4
99°
70°
5
93°
72°
6
N/A
7
85°
64°
8
90°
65°
9
88°
67°
10
86°
70°
11
86°
67°
12
88°
68°
13
88°
67°
14
90°
66°
15
88°
67°
16
88°
66°
17
86°
67°
18
87°
63°
19
82°
62°
20
84°
57°
21
87°
62°
22
84°
62°
23
85°
61°
24
85°
62°
25
84°
62°
26
86°
61°
27
86°
62°
28
85°
61°
29
85°
61°
30
84°
60°
1
84°
60°
2
79°
53°
3
73°
49°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Sevierville
Sevierville's September 2026 forecast shows daily high temperatures ranging from 73° to 90°, with overnight lows between 49° and 70°. The average high for September is 85° with an average low of 63°. 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.
