S
M
T
W
T
F
S
31
77°
39°
1
72°
49°
2
77°
52°
3
78°
62°
4
79°
48°
5
79°
52°
6
83°
47°
7
75°
42°
8
77°
42°
9
83°
47°
10
84°
58°
11
84°
47°
12
74°
39°
13
76°
49°
14
77°
47°
15
79°
45°
16
80°
42°
17
87°
60°
18
89°
55°
19
89°
57°
20
88°
58°
21
82°
48°
22
85°
49°
23
86°
47°
24
80°
40°
25
83°
40°
26
84°
44°
27
86°
47°
28
87°
49°
29
92°
57°
30
93°
53°
1
88°
54°
2
94°
61°
3
94°
48°
4
87°
45°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Forest Lake
Forest Lake's September 2025 forecast shows daily high temperatures ranging from ° to °, with overnight lows between ° and °. The average high for September is ° with an average low of °. 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 Forest Lake. See also: October | November | December.
