S
M
T
W
T
F
S
30
92°
67°
31
90°
63°
1
87°
67°
2
91°
69°
3
92°
69°
4
92°
70°
5
91°
68°
6
91°
62°
7
84°
61°
8
82°
60°
9
82°
61°
10
88°
66°
11
89°
66°
12
88°
65°
13
80°
64°
14
81°
66°
15
87°
58°
16
88°
57°
17
79°
57°
18
77°
58°
19
78°
56°
20
77°
56°
21
76°
55°
22
77°
55°
23
76°
56°
24
77°
58°
25
78°
60°
26
82°
62°
27
83°
60°
28
81°
62°
29
83°
57°
30
82°
53°
1
75°
56°
2
76°
51°
3
73°
52°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Pleasant Plains
Pleasant Plains's September 2026 forecast shows daily high temperatures ranging from 73° to 92°, with overnight lows between 51° and 70°. The average high for September is 83° 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 Pleasant Plains. See also: October | November | December.