S
M
T
W
T
F
S
30
77°
57°
31
80°
58°
1
82°
60°
2
83°
61°
3
83°
62°
4
81°
56°
5
79°
52°
6
80°
60°
7
79°
57°
8
81°
59°
9
82°
58°
10
82°
58°
11
81°
59°
12
82°
58°
13
82°
58°
14
81°
57°
15
81°
58°
16
79°
58°
17
78°
54°
18
77°
49°
19
73°
46°
20
70°
47°
21
70°
49°
22
73°
44°
23
68°
45°
24
68°
54°
25
69°
55°
26
68°
54°
27
70°
54°
28
72°
53°
29
66°
55°
30
67°
46°
1
67°
41°
2
65°
40°
3
62°
40°
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 62° to 83°, with overnight lows between 40° and 62°. The average high for September is 75° 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.
