S
M
T
W
T
F
S
30
76°
56°
31
79°
49°
1
75°
46°
2
72°
47°
3
73°
50°
4
75°
56°
5
79°
48°
6
78°
46°
7
71°
46°
8
72°
47°
9
75°
53°
10
74°
48°
11
71°
52°
12
70°
52°
13
71°
46°
14
69°
44°
15
67°
43°
16
68°
50°
17
69°
52°
18
75°
52°
19
76°
51°
20
77°
50°
21
73°
42°
22
68°
45°
23
66°
43°
24
65°
42°
25
64°
42°
26
67°
44°
27
64°
42°
28
Hist. Avg.
67°
44°
29
Hist. Avg.
66°
44°
30
Hist. Avg.
66°
44°
1
Hist. Avg.
65°
43°
2
Hist. Avg.
65°
43°
3
Hist. Avg.
64°
43°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Lake
Lake's September 2026 forecast shows daily high temperatures ranging from 64° to 79°, with overnight lows between 42° and 56°. The average high for September is 72° with an average low of 48°. 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. See also: October | November | December.
