S
M
T
W
T
F
S
30
81°
62°
31
86°
64°
1
87°
57°
2
85°
58°
3
80°
56°
4
81°
58°
5
80°
65°
6
85°
63°
7
87°
60°
8
80°
63°
9
79°
63°
10
82°
62°
11
82°
61°
12
81°
61°
13
80°
60°
14
77°
55°
15
77°
55°
16
76°
54°
17
76°
55°
18
77°
60°
19
80°
59°
20
79°
60°
21
81°
57°
22
76°
52°
23
74°
57°
24
73°
59°
25
79°
53°
26
72°
56°
27
77°
57°
28
78°
56°
29
Hist. Avg.
73°
51°
30
Hist. Avg.
73°
51°
1
Hist. Avg.
72°
50°
2
Hist. Avg.
72°
50°
3
Hist. Avg.
72°
49°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Metuchen
Metuchen's September 2026 forecast shows daily high temperatures ranging from 72° to 87°, with overnight lows between 52° and 65°. The average high for September is 80° with an average low of 59°. 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 Metuchen. See also: October | November | December.
