S
M
T
W
T
F
S
30
80°
57°
31
79°
57°
1
78°
58°
2
79°
58°
3
77°
60°
4
77°
58°
5
80°
58°
6
79°
57°
7
77°
56°
8
78°
55°
9
76°
55°
10
76°
60°
11
77°
54°
12
76°
54°
13
77°
55°
14
78°
59°
15
78°
60°
16
77°
57°
17
75°
53°
18
74°
52°
19
74°
53°
20
77°
58°
21
75°
53°
22
73°
55°
23
78°
56°
24
77°
57°
25
78°
56°
26
76°
48°
27
76°
49°
28
69°
48°
29
68°
47°
30
68°
48°
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
September Weather in Matawan
Matawan's September 2026 forecast shows daily high temperatures ranging from 68° to 80°, with overnight lows between 47° and 60°. The average high for September is 76° with an average low of 55°. 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.
