S
M
T
W
T
F
S
30
74°
61°
31
77°
60°
1
81°
60°
2
81°
56°
3
79°
52°
4
72°
59°
5
73°
59°
6
80°
54°
7
75°
51°
8
71°
50°
9
70°
57°
10
71°
58°
11
73°
57°
12
78°
57°
13
78°
51°
14
74°
48°
15
68°
47°
16
67°
52°
17
67°
47°
18
68°
45°
19
68°
43°
20
66°
44°
21
65°
50°
22
66°
48°
23
73°
48°
24
71°
52°
25
73°
53°
26
72°
53°
27
73°
52°
28
72°
46°
29
70°
47°
30
62°
48°
1
68°
47°
2
71°
49°
3
70°
50°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Waukon
Waukon's September 2026 forecast shows daily high temperatures ranging from 62° to 81°, with overnight lows between 43° and 61°. The average high for September is 72° 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 Waukon. See also: October | November | December.
