S
M
T
W
T
F
S
30
84°
63°
31
84°
63°
1
83°
62°
2
83°
62°
3
79°
58°
4
76°
60°
5
77°
58°
6
77°
58°
7
78°
53°
8
77°
55°
9
80°
57°
10
82°
57°
11
81°
56°
12
82°
58°
13
82°
60°
14
81°
58°
15
80°
58°
16
81°
57°
17
81°
58°
18
80°
59°
19
81°
58°
20
80°
52°
21
79°
47°
22
71°
48°
23
74°
55°
24
78°
55°
25
80°
54°
26
80°
47°
27
72°
45°
28
68°
46°
29
69°
50°
30
68°
44°
1
67°
52°
2
71°
52°
3
74°
49°
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 67° to 84°, with overnight lows between 44° 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.