S
M
T
W
T
F
S
30
88°
70°
31
86°
69°
1
86°
68°
2
88°
65°
3
85°
64°
4
85°
64°
5
86°
63°
6
85°
64°
7
86°
63°
8
89°
66°
9
89°
64°
10
87°
63°
11
88°
64°
12
88°
66°
13
89°
67°
14
89°
64°
15
88°
66°
16
87°
67°
17
88°
65°
18
86°
65°
19
85°
63°
20
86°
63°
21
85°
64°
22
85°
64°
23
83°
62°
24
Hist. Avg.
83°
60°
25
Hist. Avg.
83°
60°
26
Hist. Avg.
82°
60°
27
Hist. Avg.
82°
59°
28
Hist. Avg.
82°
59°
29
Hist. Avg.
82°
59°
30
Hist. Avg.
81°
58°
1
Hist. Avg.
81°
58°
2
Hist. Avg.
81°
57°
3
Hist. Avg.
80°
57°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Ridgefield
Ridgefield's September 2026 forecast shows daily high temperatures ranging from 83° to 89°, with overnight lows between 62° and 70°. The average high for September is 87° with an average low of 65°. 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.
