S
M
T
W
T
F
S
30
79°
56°
31
83°
62°
1
83°
63°
2
84°
63°
3
84°
62°
4
83°
62°
5
82°
61°
6
82°
61°
7
83°
60°
8
84°
62°
9
84°
62°
10
83°
61°
11
84°
62°
12
83°
61°
13
79°
61°
14
76°
60°
15
79°
60°
16
80°
59°
17
80°
58°
18
73°
53°
19
70°
50°
20
73°
53°
21
78°
55°
22
76°
48°
23
69°
48°
24
76°
54°
25
71°
47°
26
76°
54°
27
78°
54°
28
77°
56°
29
75°
48°
30
74°
41°
1
67°
39°
2
65°
41°
3
65°
41°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Sunman
Sunman's September 2026 forecast shows daily high temperatures ranging from 65° to 84°, with overnight lows between 39° and 63°. 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 Sunman. See also: October | November | December.