S
M
T
W
T
F
S
30
71°
45°
31
74°
49°
1
70°
50°
2
70°
45°
3
71°
44°
4
74°
48°
5
70°
44°
6
69°
43°
7
70°
44°
8
73°
44°
9
77°
48°
10
78°
51°
11
77°
49°
12
77°
52°
13
78°
52°
14
74°
42°
15
73°
43°
16
71°
49°
17
76°
50°
18
68°
50°
19
70°
52°
20
74°
51°
21
75°
52°
22
72°
48°
23
66°
50°
24
64°
47°
25
64°
40°
26
63°
39°
27
63°
39°
28
64°
37°
29
63°
39°
30
63°
40°
1
64°
44°
2
62°
42°
3
60°
40°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Plumb
Plumb's September 2026 forecast shows daily high temperatures ranging from 60° to 78°, with overnight lows between 37° and 52°. The average high for September is 70° with an average low of 46°. 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 Plumb. See also: October | November | December.
