S
M
T
W
T
F
S
30
85°
65°
31
82°
67°
1
88°
71°
2
92°
71°
3
88°
66°
4
81°
67°
5
79°
64°
6
77°
58°
7
79°
55°
8
83°
64°
9
87°
68°
10
75°
58°
11
75°
59°
12
80°
65°
13
83°
65°
14
78°
62°
15
77°
60°
16
75°
59°
17
77°
59°
18
77°
58°
19
73°
56°
20
71°
53°
21
77°
58°
22
72°
57°
23
72°
57°
24
76°
56°
25
77°
57°
26
77°
56°
27
75°
55°
28
76°
57°
29
77°
57°
30
77°
56°
1
76°
56°
2
75°
50°
3
72°
47°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Plum
Plum's September 2026 forecast shows daily high temperatures ranging from 71° to 87°, with overnight lows between 47° and 68°. The average high for September is 77° 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 Plum. See also: October | November | December.
