S
M
T
W
T
F
S
30
88°
66°
31
85°
62°
1
83°
58°
2
86°
64°
3
88°
69°
4
84°
66°
5
85°
64°
6
76°
66°
7
82°
64°
8
84°
63°
9
77°
55°
10
80°
49°
11
86°
55°
12
73°
48°
13
65°
48°
14
65°
53°
15
67°
46°
16
67°
52°
17
71°
49°
18
70°
52°
19
71°
48°
20
74°
52°
21
74°
54°
22
72°
53°
23
73°
52°
24
68°
45°
25
73°
53°
26
74°
52°
27
73°
53°
28
73°
53°
29
69°
51°
30
70°
49°
1
62°
49°
2
66°
48°
3
65°
49°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Plato
Plato's September 2026 forecast shows daily high temperatures ranging from 62° to 86°, with overnight lows between 45° and 55°. The average high for September is 70° with an average low of 51°. 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 Plato. See also: October | November | December.
