S
M
T
W
T
F
S
30
80°
62°
31
82°
67°
1
83°
64°
2
81°
62°
3
80°
60°
4
78°
60°
5
79°
65°
6
78°
66°
7
82°
64°
8
82°
64°
9
83°
65°
10
Hist. Avg.
78°
61°
11
Hist. Avg.
78°
61°
12
Hist. Avg.
78°
61°
13
Hist. Avg.
77°
60°
14
Hist. Avg.
77°
60°
15
Hist. Avg.
77°
60°
16
Hist. Avg.
76°
59°
17
Hist. Avg.
76°
59°
18
Hist. Avg.
76°
58°
19
Hist. Avg.
75°
58°
20
Hist. Avg.
75°
58°
21
Hist. Avg.
75°
57°
22
Hist. Avg.
74°
57°
23
Hist. Avg.
74°
57°
24
Hist. Avg.
74°
56°
25
Hist. Avg.
73°
56°
26
Hist. Avg.
73°
55°
27
Hist. Avg.
72°
55°
28
Hist. Avg.
72°
55°
29
Hist. Avg.
72°
54°
30
Hist. Avg.
71°
54°
1
Hist. Avg.
71°
53°
2
Hist. Avg.
70°
53°
3
Hist. Avg.
70°
53°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Rahway
Rahway's September 2026 forecast shows daily high temperatures ranging from 78° to 83°, with overnight lows between 60° and 67°. The average high for September is 81° with an average low of 64°. 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 Rahway. See also: October | November | December.
