S
M
T
W
T
F
S
30
79°
58°
31
83°
58°
1
82°
60°
2
83°
61°
3
79°
58°
4
78°
57°
5
82°
57°
6
82°
61°
7
81°
56°
8
77°
56°
9
81°
59°
10
82°
61°
11
81°
60°
12
81°
62°
13
80°
58°
14
76°
54°
15
75°
54°
16
77°
55°
17
77°
58°
18
79°
57°
19
78°
58°
20
79°
59°
21
74°
57°
22
77°
58°
23
77°
57°
24
78°
56°
25
73°
51°
26
74°
57°
27
72°
50°
28
Hist. Avg.
79°
52°
29
Hist. Avg.
78°
52°
30
Hist. Avg.
78°
51°
1
Hist. Avg.
78°
51°
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
*Temporarily Unavailable
September Weather in Gatlinburg
Gatlinburg's September 2026 forecast shows daily high temperatures ranging from 72° to 83°, with overnight lows between 50° and 62°. The average high for September is 79° 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 Gatlinburg. See also: October | November | December.
