S
M
T
W
T
F
S
30
77°
58°
31
69°
61°
1
69°
64°
2
69°
59°
3
70°
57°
4
76°
56°
5
74°
46°
6
71°
49°
7
75°
53°
8
69°
61°
9
68°
62°
10
60°
47°
11
75°
47°
12
68°
59°
13
62°
53°
14
61°
38°
15
65°
55°
16
66°
44°
17
66°
29°
18
58°
30°
19
65°
36°
20
62°
34°
21
63°
38°
22
66°
42°
23
64°
45°
24
62°
43°
25
62°
45°
26
64°
46°
27
64°
47°
28
61°
44°
29
60°
36°
30
62°
43°
1
64°
42°
2
57°
37°
3
60°
39°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in White River
White River's September 2026 forecast shows daily high temperatures ranging from 57° to 66°, with overnight lows between 29° and 47°. The average high for September is 63° with an average low of 40°. 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 White River. See also: October | November | December.
