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