S
M
T
W
T
F
S
30
93°
61°
31
97°
64°
1
97°
68°
2
95°
70°
3
96°
71°
4
98°
71°
5
99°
71°
6
103°
70°
7
100°
67°
8
101°
70°
9
99°
71°
10
97°
68°
11
95°
67°
12
89°
65°
13
88°
66°
14
87°
62°
15
86°
62°
16
87°
56°
17
87°
62°
18
82°
62°
19
83°
62°
20
86°
61°
21
86°
62°
22
85°
61°
23
86°
60°
24
85°
61°
25
85°
61°
26
81°
56°
27
75°
50°
28
74°
48°
29
73°
48°
30
75°
53°
1
78°
54°
2
79°
53°
3
71°
52°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Plant
Plant's September 2026 forecast shows daily high temperatures ranging from 71° to 103°, with overnight lows between 48° and 71°. The average high for September is 87° with an average low of 61°. 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 Plant. See also: October | November | December.
