S
M
T
W
T
F
S
30
75°
52°
31
71°
53°
1
70°
52°
2
73°
50°
3
76°
46°
4
74°
46°
5
75°
52°
6
75°
52°
7
74°
51°
8
75°
50°
9
73°
52°
10
75°
51°
11
74°
51°
12
74°
50°
13
73°
50°
14
73°
49°
15
72°
48°
16
73°
41°
17
71°
40°
18
64°
47°
19
67°
49°
20
72°
49°
21
70°
47°
22
70°
44°
23
Hist. Avg.
64°
41°
24
Hist. Avg.
64°
41°
25
Hist. Avg.
63°
41°
26
Hist. Avg.
63°
41°
27
Hist. Avg.
63°
40°
28
Hist. Avg.
62°
40°
29
Hist. Avg.
62°
40°
30
Hist. Avg.
62°
39°
1
Hist. Avg.
61°
39°
2
Hist. Avg.
61°
39°
3
Hist. Avg.
60°
39°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Frog Lake
Frog Lake's September 2026 forecast shows daily high temperatures ranging from 64° to 76°, with overnight lows between 40° and 53°. The average high for September is 72° with an average low of 49°. 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 Frog Lake. See also: October | November | December.
