S
M
T
W
T
F
S
30
78°
64°
31
79°
65°
1
81°
69°
2
82°
70°
3
83°
62°
4
78°
59°
5
75°
57°
6
76°
58°
7
77°
59°
8
78°
60°
9
79°
62°
10
78°
57°
11
78°
53°
12
72°
52°
13
72°
53°
14
76°
53°
15
69°
52°
16
69°
57°
17
72°
51°
18
68°
48°
19
67°
48°
20
68°
52°
21
72°
56°
22
75°
56°
23
76°
55°
24
75°
54°
25
73°
53°
26
73°
53°
27
74°
54°
28
73°
53°
29
74°
51°
30
66°
46°
1
63°
46°
2
65°
51°
3
71°
52°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Ridgefield
Ridgefield's September 2026 forecast shows daily high temperatures ranging from 63° to 83°, with overnight lows between 46° and 70°. The average high for September is 74° with an average low of 55°. 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 Ridgefield. See also: October | November | December.
