S
M
T
W
T
F
S
30
81°
56°
31
81°
55°
1
80°
57°
2
80°
58°
3
81°
57°
4
81°
56°
5
79°
53°
6
77°
51°
7
73°
53°
8
75°
54°
9
79°
55°
10
79°
57°
11
80°
55°
12
79°
52°
13
79°
52°
14
78°
54°
15
77°
51°
16
74°
49°
17
75°
51°
18
78°
55°
19
80°
55°
20
79°
52°
21
76°
53°
22
73°
54°
23
72°
51°
24
74°
53°
25
74°
50°
26
75°
49°
27
72°
49°
28
71°
47°
29
73°
48°
30
72°
50°
1
72°
56°
2
77°
55°
3
79°
54°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Twin Lakes
Twin Lakes's September 2026 forecast shows daily high temperatures ranging from 71° to 81°, with overnight lows between 47° and 58°. The average high for September is 77° with an average low of 53°. 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 Twin Lakes. See also: October | November | December.
