S
M
T
W
T
F
S
30
85°
62°
31
81°
54°
1
65°
49°
2
62°
47°
3
59°
44°
4
68°
38°
5
69°
45°
6
70°
43°
7
73°
43°
8
77°
46°
9
79°
48°
10
81°
46°
11
80°
44°
12
78°
45°
13
78°
46°
14
81°
45°
15
80°
41°
16
81°
45°
17
80°
45°
18
73°
42°
19
73°
41°
20
76°
41°
21
80°
44°
22
81°
44°
23
78°
43°
24
74°
41°
25
73°
42°
26
77°
43°
27
79°
43°
28
79°
42°
29
78°
43°
30
77°
42°
1
78°
43°
2
77°
43°
3
76°
42°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Lake Almanor West
Lake Almanor West's September 2026 forecast shows daily high temperatures ranging from 59° to 81°, with overnight lows between 38° and 48°. The average high for September is 76° with an average low of 43°. 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 Lake Almanor West. See also: October | November | December.
