S
M
T
W
T
F
S
30
67°
45°
31
68°
47°
1
76°
46°
2
74°
54°
3
61°
54°
4
56°
43°
5
57°
40°
6
63°
45°
7
70°
44°
8
73°
54°
9
72°
48°
10
56°
43°
11
51°
35°
12
59°
38°
13
65°
40°
14
54°
32°
15
55°
33°
16
60°
36°
17
53°
34°
18
65°
48°
19
64°
39°
20
54°
35°
21
52°
43°
22
53°
43°
23
58°
42°
24
62°
44°
25
64°
44°
26
62°
43°
27
60°
42°
28
52°
41°
29
50°
39°
30
51°
41°
1
52°
39°
2
60°
41°
3
59°
40°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in High Prairie
High Prairie's September 2026 forecast shows daily high temperatures ranging from 50° to 73°, with overnight lows between 32° and 54°. The average high for September is 59° with an average low of 41°. 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 High Prairie. See also: October | November | December.