S
M
T
W
T
F
S
30
80°
62°
31
76°
57°
1
75°
54°
2
75°
55°
3
77°
62°
4
80°
62°
5
81°
63°
6
83°
62°
7
79°
59°
8
82°
60°
9
82°
60°
10
80°
58°
11
82°
60°
12
80°
59°
13
82°
59°
14
83°
50°
15
78°
48°
16
70°
48°
17
71°
50°
18
72°
57°
19
78°
57°
20
76°
56°
21
73°
55°
22
75°
51°
23
78°
54°
24
79°
56°
25
81°
55°
26
80°
55°
27
79°
46°
28
78°
44°
29
69°
50°
30
68°
49°
1
67°
51°
2
68°
49°
3
66°
45°
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 66° to 83°, with overnight lows between 44° and 63°. The average high for September is 77° 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.