S
M
T
W
T
F
S
30
83°
55°
31
77°
54°
1
77°
54°
2
78°
55°
3
77°
59°
4
76°
53°
5
79°
52°
6
76°
53°
7
75°
52°
8
76°
53°
9
77°
54°
10
79°
58°
11
79°
57°
12
74°
55°
13
73°
57°
14
80°
56°
15
Hist. Avg.
74°
51°
16
Hist. Avg.
74°
50°
17
Hist. Avg.
73°
50°
18
Hist. Avg.
73°
49°
19
Hist. Avg.
72°
49°
20
Hist. Avg.
72°
48°
21
Hist. Avg.
72°
48°
22
Hist. Avg.
71°
47°
23
Hist. Avg.
71°
47°
24
Hist. Avg.
70°
46°
25
Hist. Avg.
70°
46°
26
Hist. Avg.
70°
46°
27
Hist. Avg.
69°
45°
28
Hist. Avg.
69°
45°
29
Hist. Avg.
68°
44°
30
Hist. Avg.
68°
44°
1
Hist. Avg.
68°
43°
2
Hist. Avg.
67°
43°
3
Hist. Avg.
67°
42°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Plattekill
Plattekill's September 2026 forecast shows daily high temperatures ranging from 73° to 83°, with overnight lows between 52° and 59°. The average high for September is 77° 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. See also: October | November | December.
