S
M
T
W
T
F
S
30
67°
51°
31
68°
48°
1
75°
46°
2
80°
49°
3
84°
56°
4
69°
52°
5
89°
50°
6
82°
53°
7
68°
54°
8
64°
54°
9
67°
48°
10
64°
55°
11
67°
54°
12
69°
51°
13
71°
50°
14
76°
49°
15
78°
49°
16
66°
54°
17
61°
53°
18
72°
47°
19
77°
45°
20
96°
49°
21
88°
48°
22
67°
62°
23
80°
51°
24
N/A
25
76°
53°
26
78°
60°
27
72°
57°
28
66°
52°
29
69°
48°
30
73°
49°
1
77°
53°
2
79°
58°
3
74°
56°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in North Haven
North Haven's September 2026 forecast shows daily high temperatures ranging from 66° to 79°, with overnight lows between 48° and 60°. The average high for September is 74° with an average low of 54°. 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 North Haven. See also: October | November | December.
