Measurements:
°C
°F
Oak Island
78°F
SW 12 mph
Feels like: 82°F
Precip: 6%
World Resorts USA Oak Island Weather

7 Day Weather Forecast

09.15
tue
DAY
84°F
SW 12 mph
precip
4%
NIGHT
76°F
SW 9 mph
precip
5%
09.16
wed
DAY
84°F
SW 11 mph
precip
3%
NIGHT
76°F
SW 7 mph
precip
4%
09.17
thu
DAY
86°F
SW 9 mph
precip
3%
NIGHT
78°F
W 4 mph
precip
12%
09.18
fri
DAY
90°F
W 6 mph
precip
3%
NIGHT
80°F
N 4 mph
precip
12%
09.19
sat
DAY
90°F
W 6 mph
precip
10%
NIGHT
80°F
N 6 mph
precip
19%
09.20
sun
DAY
90°F
NE 6 mph
precip
23%
NIGHT
82°F
NE 7 mph
precip
18%
09.21
mon
DAY
90°F
NE 7 mph
precip
10%
NIGHT
82°F
NE 7 mph
precip
23%

Oak Island Sea Water Temperature in September, °F

Select Year: 2026 2025 2024

The average sea surface temperature in September 2026 for Oak Island was 28.7°F. The maximum and minimum values were 27.3°F and 29.6°F respectively.

Oak Island on the Weather Map

Best Time to Visit Oak Island
The most sunny months:
October 16 days
April 16 days
January 14 days
The most warm months:
July 89.8 °F
August 88.5 °F
June 85.8 °F
Warmest sea temperature:
July 87.6 °F
August 87.4 °F
September 83.7 °F
The most cold months:
January 52.7 °F
February 55.8 °F
December 57.0 °F
The most rainy months:
July 6 days
August 5 days
September 4 days
The most windy months:
March 10 mph
April 10 mph
February 10 mph