S
M
T
W
T
F
S
30
91°
66°
31
90°
67°
1
91°
67°
2
91°
65°
3
90°
65°
4
85°
66°
5
88°
66°
6
89°
65°
7
88°
64°
8
87°
63°
9
88°
64°
10
86°
63°
11
88°
62°
12
89°
64°
13
90°
63°
14
84°
62°
15
88°
61°
16
Hist. Avg.
82°
58°
17
Hist. Avg.
82°
58°
18
Hist. Avg.
82°
57°
19
Hist. Avg.
82°
57°
20
Hist. Avg.
81°
57°
21
Hist. Avg.
81°
56°
22
Hist. Avg.
80°
56°
23
Hist. Avg.
80°
55°
24
Hist. Avg.
80°
55°
25
Hist. Avg.
80°
54°
26
Hist. Avg.
79°
54°
27
Hist. Avg.
79°
54°
28
Hist. Avg.
79°
53°
29
Hist. Avg.
78°
53°
30
Hist. Avg.
78°
52°
1
Hist. Avg.
78°
52°
2
Hist. Avg.
77°
52°
3
Hist. Avg.
77°
51°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Plainview
Plainview's September 2026 forecast shows daily high temperatures ranging from 84° to 91°, with overnight lows between 61° and 67°. The average high for September is 88° with an average low of 64°. 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 Plainview. See also: October | November | December.
