Measurements:
°C
°F
CURRENT WEATHER
10:35
Sea Isle City
74°F
W 12 mph
Feels like: 74°F
Precip: 3%
World Resorts USA Sea Isle City Weather

7 Day Weather Forecast

09.15
tue
DAY
74°F
W 12 mph
precip
3%
NIGHT
70°F
NW 8 mph
precip
16%
09.16
wed
DAY
74°F
NW 5 mph
precip
14%
NIGHT
72°F
N 7 mph
precip
5%
09.17
thu
DAY
78°F
N 9 mph
precip
4%
NIGHT
76°F
NE 13 mph
precip
9%
09.18
fri
DAY
80°F
SW 12 mph
precip
6%
NIGHT
76°F
W 7 mph
precip
7%
09.19
sat
DAY
76°F
W 14 mph
precip
11%
NIGHT
76°F
N 14 mph
precip
12%
09.20
sun
DAY
86°F
E 11 mph
precip
7%
NIGHT
76°F
SW 8 mph
precip
78%
09.21
mon
DAY
76°F
SW 12 mph
precip
49%
NIGHT
76°F
W 17 mph
precip
23%

Sea Isle City Sea Water Temperature in September, °F

Select Year: 2026 2025 2024

The average sea surface temperature in September 2026 for Sea Isle City was 25.0°F. The maximum and minimum values were 24.3°F and 25.6°F respectively.

Sea Isle City on the Weather Map

Best Time to Visit Sea Isle City
The most sunny months:
November 18 days
October 15 days
June 15 days
The most warm months:
July 84.6 °F
August 82.3 °F
June 78.0 °F
Warmest sea temperature:
July 77.5 °F
August 77.3 °F
September 75.4 °F
The most cold months:
January 38.5 °F
February 40.5 °F
December 44.0 °F
The most rainy months:
July 3 days
October 2 days
April 2 days
The most windy months:
January 11 mph
March 11 mph
December 11 mph
more details