S
M
T
W
T
F
S
30
77°
59°
31
79°
61°
1
80°
55°
2
81°
52°
3
76°
51°
4
74°
51°
5
74°
53°
6
77°
56°
7
84°
60°
8
84°
61°
9
83°
53°
10
76°
54°
11
77°
59°
12
77°
55°
13
82°
50°
14
74°
48°
15
72°
49°
16
74°
55°
17
77°
56°
18
81°
46°
19
73°
56°
20
76°
52°
21
77°
55°
22
76°
56°
23
80°
56°
24
78°
55°
25
79°
56°
26
79°
55°
27
78°
55°
28
79°
54°
29
78°
54°
30
78°
55°
1
79°
49°
2
78°
43°
3
76°
43°
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 72° to 84°, with overnight lows between 43° and 61°. The average high for September is 78° with an average low of 54°. 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.
