S
M
T
W
T
F
S
30
79°
59°
31
78°
61°
1
78°
64°
2
77°
57°
3
77°
55°
4
76°
62°
5
76°
65°
6
84°
64°
7
85°
63°
8
84°
60°
9
82°
60°
10
76°
62°
11
76°
60°
12
76°
62°
13
82°
58°
14
83°
57°
15
Hist. Avg.
77°
53°
16
Hist. Avg.
76°
53°
17
Hist. Avg.
76°
52°
18
Hist. Avg.
76°
52°
19
Hist. Avg.
75°
52°
20
Hist. Avg.
75°
51°
21
Hist. Avg.
75°
51°
22
Hist. Avg.
74°
51°
23
Hist. Avg.
74°
50°
24
Hist. Avg.
74°
50°
25
Hist. Avg.
73°
50°
26
Hist. Avg.
73°
49°
27
Hist. Avg.
72°
49°
28
Hist. Avg.
72°
48°
29
Hist. Avg.
71°
48°
30
Hist. Avg.
71°
48°
1
Hist. Avg.
71°
47°
2
Hist. Avg.
70°
47°
3
Hist. Avg.
70°
47°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Davenport
Davenport's September 2026 forecast shows daily high temperatures ranging from 76° to 85°, with overnight lows between 55° and 65°. The average high for September is 79° with an average low of 61°. 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 Davenport. See also: October | November | December.
