S
M
T
W
T
F
S
30
78°
59°
31
87°
50°
1
77°
51°
2
85°
61°
3
91°
65°
4
89°
56°
5
95°
69°
6
88°
66°
7
82°
67°
8
83°
56°
9
78°
55°
10
89°
48°
11
77°
48°
12
67°
49°
13
61°
53°
14
74°
45°
15
67°
47°
16
69°
47°
17
73°
50°
18
75°
49°
19
76°
51°
20
73°
49°
21
78°
52°
22
73°
50°
23
72°
48°
24
73°
45°
25
79°
52°
26
75°
52°
27
77°
54°
28
78°
51°
29
70°
50°
30
73°
48°
1
69°
49°
2
73°
48°
3
73°
50°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Timber Lake
Timber Lake's September 2026 forecast shows daily high temperatures ranging from 61° to 79°, with overnight lows between 45° and 54°. The average high for September is 73° with an average low of 49°. 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 Timber Lake. See also: October | November | December.
