S
M
T
W
T
F
S
30
83°
70°
31
85°
71°
1
89°
76°
2
90°
77°
3
91°
78°
4
94°
76°
5
86°
72°
6
82°
75°
7
82°
74°
8
81°
65°
9
83°
64°
10
88°
73°
11
90°
76°
12
85°
74°
13
85°
76°
14
85°
74°
15
78°
71°
16
78°
62°
17
82°
63°
18
87°
73°
19
81°
75°
20
83°
72°
21
84°
72°
22
82°
75°
23
79°
69°
24
71°
65°
25
66°
62°
26
66°
61°
27
N/A
28
76°
62°
29
76°
64°
30
78°
66°
1
83°
62°
2
86°
70°
3
77°
68°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Manns Harbor
Manns Harbor's September 2026 forecast shows daily high temperatures ranging from ° to °, with overnight lows between ° and °. The average high for September is ° with an average low of °. 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 Manns Harbor. See also: October | November | December.
