S
M
T
W
T
F
S
30
92°
67°
31
92°
69°
1
91°
68°
2
92°
68°
3
91°
69°
4
90°
65°
5
91°
69°
6
92°
68°
7
91°
67°
8
90°
68°
9
90°
68°
10
89°
67°
11
90°
67°
12
89°
66°
13
85°
66°
14
86°
65°
15
85°
66°
16
85°
66°
17
84°
65°
18
84°
64°
19
85°
64°
20
84°
59°
21
82°
58°
22
83°
60°
23
84°
63°
24
85°
62°
25
86°
63°
26
85°
64°
27
86°
63°
28
82°
61°
29
82°
59°
30
83°
60°
1
Hist. Avg.
82°
57°
2
Hist. Avg.
82°
56°
3
Hist. Avg.
81°
56°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Prairie
Prairie's September 2026 forecast shows daily high temperatures ranging from 82° to 92°, with overnight lows between 58° and 69°. The average high for September is 87° with an average low of 65°. 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 Prairie. See also: October | November | December.