S
M
T
W
T
F
S
30
82°
41°
31
86°
45°
1
75°
50°
2
66°
50°
3
68°
54°
4
66°
52°
5
72°
41°
6
73°
46°
7
73°
37°
8
82°
39°
9
88°
48°
10
88°
55°
11
86°
52°
12
82°
48°
13
75°
50°
14
72°
37°
15
79°
36°
16
75°
50°
17
70°
45°
18
70°
36°
19
75°
37°
20
75°
43°
21
81°
50°
22
81°
50°
23
82°
41°
24
84°
41°
25
73°
48°
26
72°
41°
27
70°
46°
28
66°
39°
29
73°
37°
30
81°
39°
1
84°
39°
2
88°
46°
3
86°
46°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Plumas
Plumas's September 2026 forecast shows daily high temperatures ranging from ° to °, with overnight lows between ° and °. The average high for September is ° with an average low of °. 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. See also: October | November | December.
