S
M
T
W
T
F
S
30
73°
55°
31
73°
54°
1
74°
52°
2
73°
58°
3
75°
52°
4
75°
55°
5
73°
57°
6
72°
53°
7
73°
51°
8
78°
57°
9
74°
51°
10
74°
50°
11
75°
57°
12
73°
54°
13
72°
48°
14
70°
58°
15
72°
59°
16
79°
55°
17
76°
47°
18
70°
46°
19
66°
46°
20
65°
47°
21
66°
45°
22
69°
50°
23
68°
47°
24
65°
45°
25
66°
44°
26
67°
45°
27
65°
45°
28
64°
44°
29
62°
43°
30
63°
41°
1
Hist. Avg.
67°
47°
2
Hist. Avg.
66°
46°
3
Hist. Avg.
66°
46°
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 62° to 79°, with overnight lows between 41° and 59°. The average high for September is 71° with an average low of 50°. 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.
