S
M
T
W
T
F
S
30
81°
62°
31
81°
61°
1
78°
62°
2
78°
62°
3
79°
61°
4
80°
62°
5
78°
57°
6
78°
57°
7
83°
59°
8
80°
54°
9
80°
54°
10
79°
59°
11
76°
53°
12
80°
54°
13
81°
59°
14
81°
52°
15
76°
50°
16
73°
51°
17
74°
50°
18
76°
51°
19
80°
51°
20
79°
52°
21
79°
56°
22
78°
56°
23
79°
53°
24
76°
53°
25
78°
50°
26
78°
55°
27
77°
55°
28
75°
54°
29
77°
54°
30
77°
53°
1
76°
54°
2
76°
54°
3
74°
52°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Swannanoa
Swannanoa's September 2026 forecast shows daily high temperatures ranging from 73° to 83°, with overnight lows between 50° and 62°. The average high for September is 78° with an average low of 55°. 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 Swannanoa. See also: October | November | December.
