S
M
T
W
T
F
S
30
86°
69°
31
86°
69°
1
87°
67°
2
80°
62°
3
79°
63°
4
79°
63°
5
80°
61°
6
81°
66°
7
85°
67°
8
85°
67°
9
84°
66°
10
86°
68°
11
86°
67°
12
85°
67°
13
85°
68°
14
85°
61°
15
78°
58°
16
75°
58°
17
76°
57°
18
75°
56°
19
74°
55°
20
74°
55°
21
79°
56°
22
80°
59°
23
81°
54°
24
81°
53°
25
73°
52°
26
73°
53°
27
75°
59°
28
78°
59°
29
78°
51°
30
72°
50°
1
70°
58°
2
71°
57°
3
75°
54°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Fair Haven
Fair Haven's September 2026 forecast shows daily high temperatures ranging from 70° to 87°, with overnight lows between 50° and 69°. The average high for September is 79° with an average low of 60°. 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 Fair Haven. See also: October | November | December.
