S
M
T
W
T
F
S
30
80°
63°
31
88°
71°
1
88°
73°
2
93°
71°
3
95°
71°
4
85°
68°
5
86°
61°
6
79°
56°
7
81°
56°
8
86°
57°
9
89°
70°
10
85°
65°
11
84°
58°
12
77°
64°
13
86°
60°
14
76°
50°
15
85°
53°
16
85°
70°
17
82°
64°
18
78°
56°
19
79°
66°
20
74°
61°
21
76°
60°
22
76°
61°
23
77°
60°
24
74°
54°
25
71°
53°
26
75°
52°
27
74°
53°
28
74°
53°
29
75°
47°
30
73°
53°
1
73°
54°
2
68°
52°
3
66°
53°
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 66° to 85°, with overnight lows between 47° and 70°. The average high for September is 75° with an average low of 57°. 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.
