S
M
T
W
T
F
S
30
83°
64°
31
83°
64°
1
82°
61°
2
76°
56°
3
75°
57°
4
76°
56°
5
76°
55°
6
79°
60°
7
82°
62°
8
81°
61°
9
78°
61°
10
81°
62°
11
82°
61°
12
82°
61°
13
83°
62°
14
82°
52°
15
75°
52°
16
72°
53°
17
74°
52°
18
72°
50°
19
73°
51°
20
72°
51°
21
77°
53°
22
77°
56°
23
78°
48°
24
78°
48°
25
72°
47°
26
71°
49°
27
73°
54°
28
74°
54°
29
76°
45°
30
72°
47°
1
68°
52°
2
69°
52°
3
72°
51°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Bay Shore
Bay Shore's September 2026 forecast shows daily high temperatures ranging from 68° to 83°, with overnight lows between 45° and 64°. 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 Bay Shore. See also: October | November | December.
