S
M
T
W
T
F
S
30
88°
62°
31
86°
56°
1
83°
55°
2
83°
55°
3
84°
56°
4
86°
60°
5
88°
61°
6
86°
61°
7
87°
59°
8
85°
54°
9
81°
53°
10
81°
53°
11
80°
51°
12
80°
53°
13
79°
52°
14
78°
51°
15
79°
52°
16
80°
55°
17
79°
54°
18
81°
56°
19
83°
56°
20
83°
57°
21
Hist. Avg.
78°
56°
22
Hist. Avg.
78°
55°
23
Hist. Avg.
78°
55°
24
Hist. Avg.
77°
54°
25
Hist. Avg.
77°
54°
26
Hist. Avg.
77°
54°
27
Hist. Avg.
76°
53°
28
Hist. Avg.
76°
53°
29
Hist. Avg.
76°
52°
30
Hist. Avg.
75°
52°
1
Hist. Avg.
75°
52°
2
Hist. Avg.
75°
51°
3
Hist. Avg.
74°
51°
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 78° to 88°, with overnight lows between 51° and 62°. The average high for September is 83° with an average low of 56°. 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.
