S
M
T
W
T
F
S
30
71°
55°
31
69°
56°
1
70°
57°
2
72°
54°
3
72°
52°
4
71°
52°
5
70°
51°
6
71°
49°
7
71°
53°
8
69°
55°
9
69°
48°
10
68°
52°
11
70°
51°
12
69°
54°
13
70°
46°
14
65°
49°
15
67°
46°
16
64°
45°
17
63°
46°
18
63°
48°
19
62°
50°
20
Hist. Avg.
63°
47°
21
Hist. Avg.
62°
47°
22
Hist. Avg.
62°
46°
23
Hist. Avg.
62°
46°
24
Hist. Avg.
61°
46°
25
Hist. Avg.
61°
45°
26
Hist. Avg.
61°
45°
27
Hist. Avg.
60°
44°
28
Hist. Avg.
60°
44°
29
Hist. Avg.
60°
44°
30
Hist. Avg.
59°
43°
1
Hist. Avg.
59°
43°
2
Hist. Avg.
59°
43°
3
Hist. Avg.
58°
42°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Plattenburg
Plattenburg's September 2026 forecast shows daily high temperatures ranging from 62° to 72°, with overnight lows between 45° and 57°. The average high for September is 68° 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 Plattenburg. See also: October | November | December.
