S
M
T
W
T
F
S
30
91°
59°
31
95°
59°
1
96°
61°
2
95°
60°
3
92°
61°
4
88°
60°
5
94°
61°
6
96°
60°
7
95°
59°
8
95°
60°
9
94°
57°
10
91°
52°
11
87°
51°
12
88°
51°
13
87°
54°
14
86°
55°
15
88°
54°
16
91°
56°
17
90°
59°
18
92°
61°
19
84°
60°
20
85°
59°
21
91°
59°
22
92°
58°
23
89°
58°
24
89°
58°
25
91°
58°
26
90°
58°
27
90°
56°
28
84°
57°
29
83°
58°
30
85°
58°
1
89°
59°
2
91°
57°
3
90°
56°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Plumas Lake
Plumas Lake's September 2026 forecast shows daily high temperatures ranging from 83° to 96°, with overnight lows between 51° and 61°. The average high for September is 90° with an average low of 58°. 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 Plumas Lake. See also: October | November | December.
