S
M
T
W
T
F
S
30
76°
63°
31
76°
60°
1
71°
58°
2
71°
55°
3
69°
56°
4
68°
61°
5
66°
57°
6
68°
52°
7
75°
60°
8
72°
56°
9
68°
51°
10
65°
46°
11
67°
49°
12
67°
51°
13
69°
53°
14
68°
52°
15
70°
53°
16
67°
50°
17
63°
48°
18
65°
49°
19
67°
48°
20
65°
54°
21
65°
55°
22
64°
56°
23
66°
56°
24
66°
55°
25
65°
54°
26
64°
53°
27
62°
51°
28
61°
51°
29
59°
50°
30
59°
53°
1
62°
53°
2
61°
52°
3
62°
51°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Wendorf
Wendorf's September 2026 forecast shows daily high temperatures ranging from 59° to 75°, with overnight lows between 46° and 60°. The average high for September is 65° 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 Wendorf. See also: October | November | December.