S
M
T
W
T
F
S
30
80°
55°
31
81°
55°
1
82°
54°
2
82°
54°
3
81°
47°
4
76°
45°
5
72°
47°
6
73°
53°
7
78°
53°
8
80°
52°
9
79°
53°
10
73°
51°
11
78°
50°
12
78°
52°
13
77°
52°
14
76°
51°
15
78°
51°
16
77°
43°
17
73°
50°
18
75°
46°
19
72°
43°
20
70°
41°
21
66°
38°
22
65°
46°
23
66°
43°
24
66°
40°
25
64°
38°
26
64°
38°
27
65°
44°
28
71°
45°
29
72°
42°
30
66°
41°
1
63°
43°
2
63°
35°
3
61°
37°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Lake George
Lake George's September 2026 forecast shows daily high temperatures ranging from 61° to 82°, with overnight lows between 35° and 55°. The average high for September is 73° 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 Lake George. See also: October | November | December.
