S
M
T
W
T
F
S
30
70°
47°
31
71°
53°
1
74°
56°
2
70°
57°
3
78°
58°
4
80°
55°
5
80°
52°
6
74°
46°
7
69°
46°
8
72°
53°
9
75°
46°
10
74°
51°
11
71°
47°
12
72°
52°
13
73°
52°
14
76°
50°
15
68°
49°
16
67°
50°
17
66°
51°
18
65°
47°
19
73°
42°
20
66°
48°
21
70°
41°
22
68°
42°
23
66°
41°
24
68°
41°
25
68°
48°
26
71°
44°
27
65°
50°
28
67°
46°
29
70°
38°
30
62°
45°
1
67°
46°
2
70°
43°
3
66°
40°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Swain
Swain's September 2026 forecast shows daily high temperatures ranging from 62° to 80°, with overnight lows between 38° and 58°. The average high for September is 70° with an average low of 48°. 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 Swain. See also: October | November | December.
