S
M
T
W
T
F
S
30
77°
58°
31
78°
58°
1
76°
59°
2
76°
60°
3
75°
61°
4
74°
60°
5
77°
60°
6
76°
59°
7
74°
58°
8
75°
56°
9
73°
57°
10
74°
62°
11
73°
56°
12
74°
56°
13
77°
55°
14
76°
61°
15
75°
61°
16
75°
57°
17
72°
54°
18
72°
54°
19
71°
55°
20
76°
59°
21
73°
56°
22
70°
56°
23
75°
57°
24
74°
58°
25
75°
57°
26
69°
50°
27
72°
51°
28
67°
50°
29
66°
49°
30
65°
50°
1
Hist. Avg.
69°
52°
2
Hist. Avg.
69°
51°
3
Hist. Avg.
68°
51°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Bellport
Bellport's September 2026 forecast shows daily high temperatures ranging from 65° to 78°, with overnight lows between 49° and 62°. The average high for September is 74° with an average low of 57°. 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 Bellport. See also: October | November | December.
