S
M
T
W
T
F
S
30
80°
56°
31
79°
59°
1
80°
60°
2
82°
62°
3
83°
54°
4
79°
52°
5
78°
59°
6
81°
51°
7
75°
60°
8
79°
62°
9
81°
61°
10
82°
61°
11
82°
60°
12
79°
60°
13
81°
58°
14
79°
56°
15
73°
51°
16
75°
54°
17
74°
50°
18
73°
54°
19
74°
51°
20
70°
53°
21
69°
46°
22
72°
44°
23
66°
48°
24
66°
53°
25
64°
54°
26
71°
55°
27
70°
54°
28
70°
50°
29
73°
45°
30
72°
40°
1
62°
39°
2
59°
39°
3
58°
40°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Prior Lake
Prior Lake's September 2026 forecast shows daily high temperatures ranging from 58° to 83°, with overnight lows between 39° and 62°. The average high for September is 74° with an average low of 53°. 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 Prior Lake. See also: October | November | December.
