S
M
T
W
T
F
S
30
75°
54°
31
76°
60°
1
76°
62°
2
80°
62°
3
77°
53°
4
75°
52°
5
74°
53°
6
73°
53°
7
75°
57°
8
79°
56°
9
80°
59°
10
81°
52°
11
74°
54°
12
73°
57°
13
73°
50°
14
72°
51°
15
69°
52°
16
70°
51°
17
71°
55°
18
75°
47°
19
71°
48°
20
70°
47°
21
74°
47°
22
69°
54°
23
73°
54°
24
76°
55°
25
75°
54°
26
75°
55°
27
74°
55°
28
77°
51°
29
74°
50°
30
72°
54°
1
73°
53°
2
74°
44°
3
73°
42°
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 69° to 81°, with overnight lows between 42° and 62°. The average high for September is 74° 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.
