S
M
T
W
T
F
S
30
80°
42°
31
73°
38°
1
63°
39°
2
65°
42°
3
66°
41°
4
72°
48°
5
75°
51°
6
75°
44°
7
73°
40°
8
64°
41°
9
66°
42°
10
68°
46°
11
65°
38°
12
65°
34°
13
60°
42°
14
60°
48°
15
69°
45°
16
70°
39°
17
60°
44°
18
67°
40°
19
69°
34°
20
57°
31°
21
55°
34°
22
54°
32°
23
54°
29°
24
52°
37°
25
54°
40°
26
59°
40°
27
55°
38°
28
54°
40°
29
54°
33°
30
55°
32°
1
54°
34°
2
55°
38°
3
59°
34°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Blaine Lake
Blaine Lake's September 2026 forecast shows daily high temperatures ranging from 52° to 80°, with overnight lows between 29° and 51°. The average high for September is 63° with an average low of 39°. 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 Blaine Lake. See also: October | November | December.
