S
M
T
W
T
F
S
30
88°
74°
31
88°
73°
1
87°
72°
2
90°
80°
3
88°
80°
4
88°
80°
5
90°
75°
6
83°
74°
7
84°
73°
8
83°
71°
9
87°
70°
10
86°
76°
11
88°
78°
12
88°
78°
13
88°
78°
14
88°
75°
15
82°
72°
16
81°
66°
17
83°
65°
18
86°
75°
19
84°
75°
20
82°
72°
21
84°
74°
22
80°
75°
23
77°
72°
24
76°
66°
25
71°
65°
26
74°
62°
27
75°
65°
28
71°
65°
29
73°
66°
30
72°
67°
1
75°
64°
2
74°
65°
3
77°
70°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Cape Hatteras National Seashore
Cape Hatteras National Seashore's September 2026 forecast shows daily high temperatures ranging from 71° to 80°, with overnight lows between 62° and 75°. The average high for September is 75° with an average low of 67°. 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 Cape Hatteras National Seashore. See also: October | November | December.
