Measurements:
°C
°F
CURRENT WEATHER
11:14
Wilmington Island
86°F
W 19 mph
Feels like: 94°F
Precip: 66%
World Resorts USA Wilmington Island Weather

7 Day Weather Forecast

09.15
tue
DAY
86°F
W 19 mph
precip
66%
NIGHT
84°F
W 19 mph
precip
16%
09.16
wed
DAY
84°F
SW 19 mph
precip
14%
NIGHT
84°F
W 17 mph
precip
4%
09.17
thu
DAY
84°F
SW 16 mph
precip
15%
NIGHT
84°F
W 11 mph
precip
13%
09.18
fri
DAY
82°F
SW 5 mph
precip
7%
NIGHT
84°F
NW 11 mph
precip
12%
09.19
sat
DAY
84°F
W 9 mph
precip
5%
NIGHT
86°F
NW 12 mph
precip
7%
09.20
sun
DAY
84°F
W 10 mph
precip
16%
NIGHT
84°F
NW 11 mph
precip
20%
09.21
mon
DAY
84°F
W 7 mph
precip
21%
NIGHT
84°F
W 19 mph
precip
24%

Wilmington Island Sea Water Temperature in September, °F

Select Year: 2026 2025 2024

The average sea surface temperature in September 2026 for Wilmington Island was 29.2°F. The maximum and minimum values were 28.5°F and 30.1°F respectively.

Wilmington Island on the Weather Map

Best Time to Visit Wilmington Island
The most sunny months:
October 16 days
April 16 days
November 15 days
The most warm months:
July 92.1 °F
August 90.0 °F
June 88.8 °F
Warmest sea temperature:
August 88.8 °F
July 88.8 °F
September 84.9 °F
The most cold months:
January 56.4 °F
December 59.9 °F
February 60.4 °F
The most rainy months:
August 5 days
February 3 days
July 3 days
The most windy months:
February 8 mph
January 8 mph
December 8 mph
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