S
M
T
W
T
F
S
31
86°
68°
1
88°
67°
2
88°
66°
3
91°
62°
4
95°
66°
5
80°
67°
6
72°
58°
7
84°
63°
8
88°
63°
9
93°
65°
10
92°
60°
11
92°
59°
12
90°
60°
13
83°
65°
14
87°
66°
15
87°
65°
16
87°
64°
17
85°
63°
18
86°
60°
19
88°
62°
20
92°
66°
21
95°
66°
22
98°
64°
23
90°
66°
24
80°
61°
25
82°
55°
26
88°
56°
27
89°
59°
28
84°
60°
29
73°
59°
30
86°
54°
1
91°
58°
2
93°
58°
3
91°
58°
4
87°
56°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Plains
Plains's September 2025 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 Plains. See also: October | November | December.
