S
M
T
W
T
F
S
30
78°
58°
31
80°
57°
1
82°
54°
2
81°
48°
3
73°
53°
4
75°
56°
5
72°
51°
6
80°
47°
7
74°
45°
8
70°
46°
9
71°
52°
10
73°
54°
11
74°
53°
12
78°
50°
13
77°
45°
14
70°
44°
15
67°
42°
16
67°
43°
17
68°
45°
18
70°
42°
19
71°
39°
20
65°
42°
21
65°
50°
22
70°
45°
23
74°
48°
24
73°
50°
25
73°
50°
26
72°
49°
27
74°
43°
28
72°
39°
29
64°
44°
30
59°
45°
1
66°
44°
2
67°
47°
3
58°
35°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Wood River
Wood River's September 2026 forecast shows daily high temperatures ranging from 58° to 82°, with overnight lows between 35° and 58°. The average high for September is 72° with an average low of 47°. 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 Wood River. See also: October | November | December.
