02.09
wed
wed
Day

90°F
NW 7 mph
Precip.
5%
5%
Night

82°F
N 2 mph
Precip.
8%
8%
03.09
thu
thu
Day

84°F
NW 4 mph
Precip.
5%
5%
Night

82°F
N 6 mph
Precip.
23%
23%
04.09
fri
fri
Day

84°F
NW 4 mph
Precip.
45%
45%
Night

82°F
NE 11 mph
Precip.
9%
9%
05.09
sat
sat
Day

86°F
NE 6 mph
Precip.
57%
57%
Night

82°F
E 9 mph
Precip.
9%
9%
06.09
sun
sun
Day

88°F
E 4 mph
Precip.
14%
14%
Night

81°F
E 9 mph
Precip.
36%
36%
07.09
mon
mon
Day

84°F
NE 7 mph
Precip.
36%
36%
Night

82°F
E 11 mph
Precip.
40%
40%
08.09
tue
tue
Day

86°F
NE 9 mph
Precip.
43%
43%
Night

82°F
NE 12 mph
Precip.
42%
42%
sea water
temperature
temperature
| Long Beach |
monthly
weather
weather
| Long Beach |
current
weather
weather
| Long Beach |
14 days
forecast
forecast
| Long Beach |
Sea water temperature in September, °F
Show year:
2025
2024
2023
The average sea water temperature in September of 2025 was 84.0°F. The highest and lowest sea temperatures during the month were 85.6°F and 81.7°F.
Air temperature in Long Beach, °F
Precipitation total in Long Beach, in.
* Charts above show average data for the last 3 years.
Best time for vacation in Long Beach
Long Beach on a weather map
Places in USA:
Name
°F
24 Hours Forecast
Long Beach
Local time: 10:49
September 02, wednesday
1200

90°F
NW
7 mph
7 mph
1500

95°F
N
7 mph
7 mph
1800

84°F
N
6 mph
6 mph
2100

84°F
N
6 mph
6 mph
September 03, thursday
0000

82°F
N
2 mph
2 mph
0300

81°F
SE
5 mph
5 mph
0600

81°F
S
5 mph
5 mph
0900

82°F
SW
4 mph
4 mph




























