S
M
T
W
T
F
S
30
83°
66°
31
84°
68°
1
88°
69°
2
88°
69°
3
87°
68°
4
87°
64°
5
83°
63°
6
82°
64°
7
82°
65°
8
84°
68°
9
86°
66°
10
83°
67°
11
86°
66°
12
86°
67°
13
85°
67°
14
86°
66°
15
86°
67°
16
85°
67°
17
86°
66°
18
85°
65°
19
85°
64°
20
84°
59°
21
79°
63°
22
78°
64°
23
78°
62°
24
83°
58°
25
79°
58°
26
77°
62°
27
78°
60°
28
79°
59°
29
81°
61°
30
81°
60°
1
80°
61°
2
80°
60°
3
82°
60°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Belhaven
Belhaven's September 2026 forecast shows daily high temperatures ranging from 77° to 88°, with overnight lows between 58° and 69°. The average high for September is 83° with an average low of 64°. 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 Belhaven. See also: October | November | December.
