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
93°
70°
7
90°
68°
8
90°
64°
9
91°
66°
10
93°
63°
11
93°
68°
12
84°
70°
13
91°
66°
14
92°
65°
15
96°
67°
16
94°
69°
17
93°
66°
18
95°
68°
19
91°
68°
20
93°
68°
21
93°
68°
22
81°
68°
23
79°
66°
24
77°
63°
25
75°
54°
26
79°
50°
27
77°
46°
28
77°
48°
29
82°
48°
30
86°
54°
1
88°
54°
2
90°
59°
3
77°
70°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Gatlinburg
Gatlinburg's September 2026 forecast shows daily high temperatures ranging from ° to °, with overnight lows between ° and °. The average high for September is ° with an average low of °. 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.
