S
M
T
W
T
F
S
30
79°
64°
31
86°
59°
1
82°
54°
2
82°
61°
3
86°
63°
4
84°
61°
5
84°
67°
6
81°
66°
7
74°
67°
8
78°
57°
9
77°
53°
10
69°
54°
11
77°
57°
12
72°
55°
13
74°
54°
14
76°
58°
15
76°
55°
16
68°
46°
17
71°
53°
18
73°
52°
19
72°
51°
20
72°
50°
21
65°
51°
22
67°
50°
23
71°
52°
24
72°
50°
25
69°
45°
26
59°
41°
27
60°
38°
28
56°
40°
29
68°
39°
30
55°
39°
1
57°
45°
2
54°
42°
3
55°
41°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Long Prairie
Long Prairie's September 2026 forecast shows daily high temperatures ranging from 54° to 86°, with overnight lows between 38° and 67°. The average high for September is 70° 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 Long Prairie. See also: October | November | December.
