S
M
T
W
T
F
S
30
89°
74°
31
N/A
1
86°
77°
2
88°
78°
3
87°
78°
4
87°
76°
5
88°
68°
6
85°
67°
7
83°
69°
8
84°
70°
9
84°
70°
10
86°
71°
11
85°
67°
12
79°
68°
13
80°
67°
14
85°
70°
15
84°
69°
16
83°
70°
17
81°
69°
18
81°
66°
19
78°
64°
20
78°
68°
21
79°
68°
22
80°
67°
23
80°
68°
24
82°
68°
25
79°
67°
26
76°
68°
27
79°
67°
28
79°
67°
29
76°
66°
30
78°
66°
1
75°
65°
2
76°
65°
3
78°
64°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Emerald Isle
Emerald Isle's September 2026 forecast shows daily high temperatures ranging from 75° to 88°, with overnight lows between 64° and 78°. The average high for September is 81° with an average low of 69°. 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 Emerald Isle. See also: October | November | December.
