S
M
T
W
T
F
S
30
67°
52°
31
68°
53°
1
69°
48°
2
70°
46°
3
68°
45°
4
70°
45°
5
72°
49°
6
71°
52°
7
73°
51°
8
67°
50°
9
71°
50°
10
73°
49°
11
72°
50°
12
73°
49°
13
71°
51°
14
73°
50°
15
72°
46°
16
70°
40°
17
63°
45°
18
62°
49°
19
69°
48°
20
71°
48°
21
70°
42°
22
69°
38°
23
67°
42°
24
60°
46°
25
66°
47°
26
Hist. Avg.
64°
38°
27
Hist. Avg.
63°
38°
28
Hist. Avg.
63°
37°
29
Hist. Avg.
62°
37°
30
Hist. Avg.
62°
37°
1
Hist. Avg.
61°
37°
2
Hist. Avg.
61°
36°
3
Hist. Avg.
60°
36°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Long Lake
Long Lake's September 2026 forecast shows daily high temperatures ranging from 60° to 73°, with overnight lows between 38° and 53°. The average high for September is 69° with an average low of 47°. 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 Long Lake. See also: October | November | December.
