S
M
T
W
T
F
S
30
80°
71°
31
91°
74°
1
95°
74°
2
95°
70°
3
95°
75°
4
96°
75°
5
93°
73°
6
84°
63°
7
83°
58°
8
88°
63°
9
79°
67°
10
82°
58°
11
82°
56°
12
83°
62°
13
71°
53°
14
75°
51°
15
84°
62°
16
71°
66°
17
77°
63°
18
79°
67°
19
81°
63°
20
71°
62°
21
73°
57°
22
72°
58°
23
73°
54°
24
73°
56°
25
75°
56°
26
73°
57°
27
74°
58°
28
72°
51°
29
72°
59°
30
74°
58°
1
75°
56°
2
75°
55°
3
73°
56°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Le Claire
Le Claire's September 2026 forecast shows daily high temperatures ranging from 71° to 84°, with overnight lows between 51° and 67°. The average high for September is 75° with an average low of 59°. 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 Le Claire. See also: October | November | December.
