S
M
T
W
T
F
S
30
90°
54°
31
77°
55°
1
78°
56°
2
80°
55°
3
76°
55°
4
78°
54°
5
84°
49°
6
84°
52°
7
90°
52°
8
97°
53°
9
102°
64°
10
105°
68°
11
92°
57°
12
90°
56°
13
81°
49°
14
87°
48°
15
89°
51°
16
80°
51°
17
76°
54°
18
86°
49°
19
89°
53°
20
83°
53°
21
82°
52°
22
82°
53°
23
92°
51°
24
95°
54°
25
N/A
26
84°
50°
27
N/A
28
85°
48°
29
95°
51°
30
94°
56°
1
96°
54°
2
95°
59°
3
99°
57°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Wilton
Wilton's September 2026 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.
