S
M
T
W
T
F
S
30
83°
56°
31
78°
68°
1
90°
68°
2
73°
67°
3
88°
69°
4
86°
73°
5
80°
64°
6
77°
59°
7
82°
60°
8
84°
64°
9
87°
73°
10
90°
65°
11
81°
57°
12
78°
62°
13
85°
63°
14
84°
61°
15
79°
58°
16
79°
57°
17
76°
59°
18
79°
58°
19
76°
55°
20
79°
58°
21
78°
59°
22
71°
58°
23
71°
58°
24
72°
57°
25
73°
56°
26
76°
56°
27
72°
52°
28
73°
56°
29
76°
56°
30
77°
55°
1
76°
56°
2
76°
56°
3
74°
54°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Matawan
Matawan's September 2026 forecast shows daily high temperatures ranging from 71° to 90°, with overnight lows between 52° and 73°. The average high for September is 78° 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 Matawan. See also: October | November | December.
