S
M
T
W
T
F
S
30
85°
58°
31
79°
62°
1
78°
55°
2
85°
64°
3
86°
64°
4
88°
59°
5
86°
56°
6
80°
53°
7
80°
53°
8
79°
60°
9
80°
54°
10
78°
52°
11
74°
50°
12
73°
49°
13
75°
57°
14
74°
49°
15
75°
48°
16
73°
47°
17
71°
48°
18
71°
48°
19
72°
47°
20
70°
47°
21
71°
48°
22
72°
48°
23
72°
51°
24
75°
54°
25
78°
54°
26
78°
46°
27
74°
53°
28
70°
55°
29
73°
48°
30
76°
50°
1
71°
51°
2
67°
43°
3
66°
51°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Keosauqua
Keosauqua's September 2026 forecast shows daily high temperatures ranging from 66° to 88°, with overnight lows between 43° and 64°. The average high for September is 76° 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 Keosauqua. See also: October | November | December.
