Measurements:
°C
°F
CURRENT WEATHER
10:33
Long Beach Island
70°F
SW 12 mph
Feels like: 70°F
Precip: 3%
World Resorts USA Long Beach Island Weather

7 Day Weather Forecast

09.15
tue
DAY
70°F
W 11 mph
precip
5%
NIGHT
70°F
NW 8 mph
precip
13%
09.16
wed
DAY
72°F
N 7 mph
precip
5%
NIGHT
74°F
NE 11 mph
precip
6%
09.17
thu
DAY
76°F
NE 14 mph
precip
7%
NIGHT
76°F
NE 16 mph
precip
8%
09.18
fri
DAY
76°F
S 7 mph
precip
22%
NIGHT
76°F
SW 19 mph
precip
12%
09.19
sat
DAY
72°F
W 16 mph
precip
15%
NIGHT
74°F
NW 18 mph
precip
7%
09.20
sun
DAY
76°F
NE 14 mph
precip
28%
NIGHT
74°F
SW 12 mph
precip
46%
09.21
mon
DAY
70°F
SW 17 mph
precip
36%
NIGHT
70°F
W 19 mph
precip
33%

Long Beach Island Sea Water Temperature in September, °F

Select Year: 2026 2025 2024

The average sea surface temperature in September 2026 for Long Beach Island was 24.2°F. The maximum and minimum values were 23.6°F and 24.7°F respectively.

Long Beach Island on the Weather Map

Best Time to Visit Long Beach Island
The most sunny months:
November 17 days
October 15 days
June 15 days
The most warm months:
July 83.7 °F
August 82.0 °F
June 76.6 °F
Warmest sea temperature:
July 79.9 °F
August 79.4 °F
September 75.2 °F
The most cold months:
January 38.0 °F
February 39.8 °F
December 43.3 °F
The most rainy months:
April 3 days
February 2 days
March 2 days
The most windy months:
January 12 mph
March 11 mph
December 11 mph
more details