S
M
T
W
T
F
S
30
93°
61°
31
90°
53°
1
85°
58°
2
95°
58°
3
97°
65°
4
97°
57°
5
89°
67°
6
88°
71°
7
93°
69°
8
84°
56°
9
81°
54°
10
91°
66°
11
94°
49°
12
76°
54°
13
70°
54°
14
69°
44°
15
70°
52°
16
81°
52°
17
71°
45°
18
73°
48°
19
75°
49°
20
74°
48°
21
76°
49°
22
76°
46°
23
80°
54°
24
75°
53°
25
80°
53°
26
77°
52°
27
79°
54°
28
80°
52°
29
71°
50°
30
76°
49°
1
72°
50°
2
77°
50°
3
76°
49°
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 69° to 94°, with overnight lows between 44° and 66°. The average high for September is 77° 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 White River. See also: October | November | December.
