S
M
T
W
T
F
S
31
74°
53°
1
75°
49°
2
74°
49°
3
79°
48°
4
83°
55°
5
85°
59°
6
87°
65°
7
67°
58°
8
72°
52°
9
71°
50°
10
70°
60°
11
77°
59°
12
77°
56°
13
78°
51°
14
78°
53°
15
76°
55°
16
68°
57°
17
63°
56°
18
81°
60°
19
86°
59°
20
87°
61°
21
80°
64°
22
82°
57°
23
84°
56°
24
88°
63°
25
85°
68°
26
85°
69°
27
80°
70°
28
75°
65°
29
70°
65°
30
69°
62°
1
69°
51°
2
69°
46°
3
69°
42°
4
75°
46°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Wilton
Wilton's September 2025 forecast shows daily high temperatures ranging from ° to °, with overnight lows between ° and °. The average high for September is ° with an average low of °. 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 Wilton. See also: October | November | December.
