S
M
T
W
T
F
S
30
88°
58°
31
86°
59°
1
78°
57°
2
82°
55°
3
83°
61°
4
81°
58°
5
87°
58°
6
86°
56°
7
90°
57°
8
91°
61°
9
86°
63°
10
87°
63°
11
88°
57°
12
89°
60°
13
86°
58°
14
89°
61°
15
90°
62°
16
89°
56°
17
92°
60°
18
87°
60°
19
91°
60°
20
91°
58°
21
92°
60°
22
91°
59°
23
88°
59°
24
88°
58°
25
90°
59°
26
91°
60°
27
91°
60°
28
90°
59°
29
90°
58°
30
89°
59°
1
90°
58°
2
88°
58°
3
83°
57°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in McSwain
McSwain's September 2026 forecast shows daily high temperatures ranging from 81° to 92°, with overnight lows between 56° and 63°. The average high for September is 89° with an average low of 59°. 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 McSwain. See also: October | November | December.
