Measurements:
°C
°F
Wilmington
76°F
SW 9 mph
Feels like: 80°F
Precip: 6%
World Resorts USA Wilmington Weather

7 Day Weather Forecast

09.15
tue
DAY
86°F
SW 9 mph
precip
8%
NIGHT
72°F
SW 6 mph
precip
6%
09.16
wed
DAY
86°F
SW 7 mph
precip
2%
NIGHT
72°F
SW 5 mph
precip
6%
09.17
thu
DAY
88°F
SW 6 mph
precip
2%
NIGHT
78°F
W 2 mph
precip
14%
09.18
fri
DAY
94°F
W 2 mph
precip
2%
NIGHT
78°F
N 3 mph
precip
14%
09.19
sat
DAY
94°F
W 4 mph
precip
2%
NIGHT
78°F
N 4 mph
precip
20%
09.20
sun
DAY
94°F
NE 4 mph
precip
7%
NIGHT
80°F
NE 6 mph
precip
19%
09.21
mon
DAY
94°F
NE 6 mph
precip
2%
NIGHT
82°F
NE 6 mph
precip
16%

Wilmington Sea Water Temperature in September, °F

Select Year: 2026 2025 2024

The average sea surface temperature in September 2026 for Wilmington was 27.5°F. The maximum and minimum values were 27.0°F and 28.2°F respectively.

Wilmington on the Weather Map

Best Time to Visit Wilmington
The most sunny months:
April 17 days
October 16 days
December 15 days
The most warm months:
July 92.5 °F
August 90.1 °F
June 89.1 °F
Warmest sea temperature:
August 85.6 °F
July 85.6 °F
September 82.8 °F
The most cold months:
January 53.3 °F
December 57.3 °F
February 57.8 °F
The most rainy months:
August 5 days
July 4 days
June 3 days
The most windy months:
March 7 mph
April 7 mph
February 7 mph