S
M
T
W
T
F
S
30
79°
58°
31
79°
56°
1
78°
56°
2
77°
53°
3
76°
52°
4
73°
54°
5
70°
46°
6
69°
54°
7
69°
54°
8
75°
55°
9
77°
55°
10
67°
49°
11
66°
51°
12
68°
50°
13
71°
55°
14
75°
54°
15
76°
49°
16
67°
45°
17
66°
50°
18
70°
48°
19
73°
47°
20
Hist. Avg.
67°
52°
21
Hist. Avg.
66°
52°
22
Hist. Avg.
66°
51°
23
Hist. Avg.
66°
51°
24
Hist. Avg.
65°
51°
25
Hist. Avg.
65°
51°
26
Hist. Avg.
65°
50°
27
Hist. Avg.
64°
50°
28
Hist. Avg.
64°
50°
29
Hist. Avg.
64°
50°
30
Hist. Avg.
63°
50°
1
Hist. Avg.
63°
49°
2
Hist. Avg.
62°
49°
3
Hist. Avg.
62°
49°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Three Lakes
Three Lakes's September 2026 forecast shows daily high temperatures ranging from 66° to 79°, with overnight lows between 45° and 58°. The average high for September is 72° with an average low of 52°. 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 Three Lakes. See also: October | November | December.
