S
M
T
W
T
F
S
30
86°
66°
31
85°
67°
1
85°
66°
2
81°
63°
3
79°
59°
4
79°
58°
5
80°
58°
6
81°
59°
7
83°
60°
8
84°
64°
9
83°
63°
10
84°
64°
11
78°
52°
12
76°
58°
13
75°
53°
14
74°
52°
15
75°
54°
16
78°
56°
17
74°
60°
18
79°
59°
19
77°
51°
20
72°
50°
21
72°
51°
22
73°
49°
23
74°
51°
24
76°
58°
25
79°
58°
26
71°
57°
27
78°
57°
28
70°
56°
29
72°
48°
30
73°
51°
1
74°
55°
2
77°
47°
3
76°
44°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Chimney Corner
Chimney Corner's September 2026 forecast shows daily high temperatures ranging from 70° to 86°, with overnight lows between 44° and 67°. The average high for September is 78° with an average low of 56°. 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 Chimney Corner. See also: October | November | December.
