S
M
T
W
T
F
S
30
79°
57°
31
77°
55°
1
77°
51°
2
76°
49°
3
76°
48°
4
77°
48°
5
75°
47°
6
66°
45°
7
65°
48°
8
65°
53°
9
64°
52°
10
64°
49°
11
65°
44°
12
64°
48°
13
64°
52°
14
65°
48°
15
63°
45°
16
62°
44°
17
64°
46°
18
68°
50°
19
72°
47°
20
71°
46°
21
68°
42°
22
61°
41°
23
61°
44°
24
62°
42°
25
60°
42°
26
61°
43°
27
61°
45°
28
62°
45°
29
60°
46°
30
59°
43°
1
60°
45°
2
64°
50°
3
67°
46°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Edison
Edison's September 2026 forecast shows daily high temperatures ranging from 59° to 79°, with overnight lows between 41° and 57°. The average high for September is 66° with an average low of 47°. 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 Edison. See also: October | November | December.
