S
M
T
W
T
F
S
30
77°
61°
31
76°
59°
1
73°
58°
2
74°
52°
3
74°
56°
4
78°
62°
5
70°
56°
6
71°
51°
7
81°
54°
8
80°
60°
9
70°
51°
10
66°
44°
11
70°
49°
12
72°
47°
13
74°
54°
14
71°
48°
15
75°
55°
16
69°
49°
17
68°
48°
18
70°
50°
19
67°
49°
20
68°
47°
21
65°
52°
22
67°
53°
23
68°
52°
24
68°
52°
25
67°
51°
26
66°
49°
27
63°
46°
28
62°
45°
29
60°
45°
30
60°
50°
1
62°
49°
2
64°
46°
3
63°
48°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Plattenburg
Plattenburg's September 2026 forecast shows daily high temperatures ranging from 60° to 80°, with overnight lows between 44° and 60°. The average high for September is 68° with an average low of 50°. 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 Plattenburg. See also: October | November | December.
