S
M
T
W
T
F
S
30
75°
43°
31
72°
40°
1
66°
43°
2
66°
40°
3
67°
40°
4
67°
41°
5
66°
40°
6
66°
43°
7
69°
48°
8
69°
45°
9
67°
41°
10
68°
41°
11
69°
46°
12
69°
46°
13
67°
45°
14
71°
43°
15
65°
40°
16
63°
37°
17
62°
38°
18
66°
44°
19
62°
43°
20
71°
44°
21
61°
35°
22
60°
33°
23
Hist. Avg.
64°
41°
24
Hist. Avg.
63°
41°
25
Hist. Avg.
63°
40°
26
Hist. Avg.
63°
40°
27
Hist. Avg.
62°
40°
28
Hist. Avg.
62°
39°
29
Hist. Avg.
61°
39°
30
Hist. Avg.
61°
39°
1
Hist. Avg.
61°
38°
2
Hist. Avg.
60°
38°
3
Hist. Avg.
60°
38°
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 60° to 75°, with overnight lows between 33° and 48°. The average high for September is 67° with an average low of 42°. 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.
