S
M
T
W
T
F
S
30
80°
62°
31
75°
63°
1
75°
62°
2
76°
58°
3
75°
55°
4
74°
54°
5
74°
53°
6
75°
55°
7
78°
58°
8
80°
60°
9
81°
60°
10
81°
61°
11
74°
51°
12
73°
52°
13
73°
50°
14
72°
49°
15
74°
54°
16
75°
50°
17
72°
53°
18
72°
50°
19
73°
46°
20
69°
46°
21
69°
47°
22
70°
47°
23
71°
48°
24
72°
54°
25
75°
54°
26
70°
53°
27
69°
53°
28
72°
48°
29
71°
44°
30
70°
48°
1
70°
52°
2
76°
40°
3
77°
40°
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 69° to 81°, with overnight lows between 40° and 63°. The average high for September is 74° with an average low of 52°. 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.