S
M
T
W
T
F
S
30
73°
64°
31
69°
62°
1
83°
67°
2
84°
67°
3
83°
67°
4
75°
57°
5
70°
55°
6
70°
51°
7
73°
52°
8
76°
61°
9
79°
63°
10
72°
53°
11
63°
52°
12
65°
51°
13
68°
53°
14
67°
53°
15
68°
52°
16
69°
56°
17
73°
50°
18
64°
47°
19
68°
49°
20
72°
54°
21
72°
54°
22
71°
53°
23
70°
52°
24
64°
49°
25
69°
52°
26
70°
52°
27
69°
51°
28
59°
49°
29
60°
47°
30
59°
44°
1
57°
42°
2
58°
46°
3
61°
43°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Prattsburgh
Prattsburgh's September 2026 forecast shows daily high temperatures ranging from 57° to 79°, with overnight lows between 42° and 63°. 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 Prattsburgh. See also: October | November | December.
