S
M
T
W
T
F
S
30
73°
49°
31
75°
52°
1
80°
59°
2
82°
59°
3
81°
57°
4
72°
49°
5
73°
49°
6
72°
52°
7
74°
50°
8
75°
57°
9
73°
51°
10
74°
49°
11
73°
50°
12
73°
57°
13
72°
49°
14
70°
47°
15
69°
49°
16
70°
49°
17
71°
51°
18
72°
53°
19
78°
53°
20
78°
48°
21
70°
50°
22
69°
49°
23
66°
48°
24
67°
47°
25
65°
45°
26
66°
46°
27
66°
49°
28
68°
53°
29
72°
51°
30
72°
46°
1
Hist. Avg.
70°
46°
2
Hist. Avg.
70°
46°
3
Hist. Avg.
70°
46°
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 65° to 82°, with overnight lows between 45° and 59°. The average high for September is 72° 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 Ridgefield. See also: October | November | December.
