S
M
T
W
T
F
S
30
79°
54°
31
77°
56°
1
77°
52°
2
76°
55°
3
78°
60°
4
85°
60°
5
84°
59°
6
85°
56°
7
81°
57°
8
75°
53°
9
78°
51°
10
75°
52°
11
75°
56°
12
77°
55°
13
74°
56°
14
74°
58°
15
81°
55°
16
81°
45°
17
73°
44°
18
70°
43°
19
69°
46°
20
70°
47°
21
71°
53°
22
77°
56°
23
77°
53°
24
78°
43°
25
70°
42°
26
68°
43°
27
66°
42°
28
67°
41°
29
67°
42°
30
67°
45°
1
Hist. Avg.
72°
47°
2
Hist. Avg.
72°
46°
3
Hist. Avg.
71°
46°
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 66° to 85°, with overnight lows between 41° and 60°. The average high for September is 75° with an average low of 51°. 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.
