S
M
T
W
T
F
S
30
66°
38°
31
68°
41°
1
69°
42°
2
64°
54°
3
60°
53°
4
59°
45°
5
N/A
6
64°
43°
7
59°
36°
8
61°
42°
9
55°
37°
10
62°
36°
11
69°
40°
12
67°
51°
13
69°
52°
14
68°
50°
15
65°
48°
16
64°
46°
17
63°
42°
18
64°
46°
19
62°
42°
20
61°
50°
21
64°
50°
22
60°
48°
23
60°
43°
24
61°
50°
25
68°
52°
26
69°
51°
27
64°
44°
28
63°
51°
29
65°
48°
30
69°
52°
1
68°
51°
2
71°
52°
3
70°
50°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Devils River
Devils River's September 2026 forecast shows daily high temperatures ranging from 55° to 71°, with overnight lows between 36° and 52°. The average high for September is 64° 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 Devils River. See also: October | November | December.