S
M
T
W
T
F
S
30
77°
61°
31
75°
63°
1
81°
66°
2
70°
66°
3
86°
63°
4
84°
59°
5
79°
57°
6
76°
52°
7
76°
58°
8
78°
62°
9
77°
63°
10
83°
61°
11
76°
57°
12
74°
59°
13
77°
60°
14
70°
56°
15
73°
53°
16
70°
57°
17
74°
51°
18
69°
48°
19
75°
54°
20
76°
55°
21
74°
53°
22
73°
53°
23
71°
55°
24
73°
51°
25
71°
51°
26
73°
55°
27
73°
54°
28
70°
49°
29
64°
46°
30
65°
47°
1
63°
43°
2
63°
47°
3
62°
49°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Plattekill Town
Plattekill Town's September 2026 forecast shows daily high temperatures ranging from 62° to 86°, with overnight lows between 43° and 66°. The average high for September is 73° with an average low of 55°. 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 Plattekill Town. See also: October | November | December.