07.09
mon
mon
Day
88°F
E 7 mph
Precip.
10%
10%
Night
77°F
E 11 mph
Precip.
3%
3%
08.09
tue
tue
Day
84°F
E 7 mph
Precip.
11%
11%
Night
79°F
NE 2 mph
Precip.
4%
4%
09.09
wed
wed
Day
88°F
NE 6 mph
Precip.
1%
1%
Night
75°F
N 7 mph
Precip.
7%
7%
10.09
thu
thu
Day
81°F
N 7 mph
Precip.
3%
3%
Night
75°F
NW 6 mph
Precip.
6%
6%
11.09
fri
fri
Day
75°F
N 11 mph
Precip.
5%
5%
Night
72°F
N 6 mph
Precip.
10%
10%
12.09
sat
sat
Day
73°F
NW 12 mph
Precip.
7%
7%
Night
70°F
N 8 mph
Precip.
12%
12%
13.09
sun
sun
Day
72°F
N 8 mph
Precip.
5%
5%
Night
72°F
N 5 mph
Precip.
6%
6%
14.09
mon
mon
Day
73°F
N 8 mph
Precip.
6%
6%
Night
72°F
NW 7 mph
Precip.
8%
8%
15.09
tue
tue
Day
75°F
N 7 mph
Precip.
5%
5%
Night
73°F
N 4 mph
Precip.
6%
6%
16.09
wed
wed
Day
79°F
NE 6 mph
Precip.
3%
3%
Night
73°F
N 4 mph
Precip.
8%
8%
17.09
thu
thu
Day
79°F
NE 5 mph
Precip.
3%
3%
Night
75°F
E 4 mph
Precip.
11%
11%
18.09
fri
fri
Day
79°F
NE 6 mph
Precip.
2%
2%
Night
73°F
NE 4 mph
Precip.
5%
5%
19.09
sat
sat
Day
79°F
NE 7 mph
Precip.
3%
3%
Night
72°F
N 4 mph
Precip.
7%
7%
20.09
sun
sun
Day
75°F
N 6 mph
Precip.
5%
5%
Night
72°F
E 8 mph
Precip.
5%
5%
sea water
temperature
temperature
| Long Beach |
monthly
weather
weather
| Long Beach |
current
weather
weather
| Long Beach |
7 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 67.5°F. The highest and lowest sea temperatures during the month were 70.2°F and 63.0°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: 18:57
September 07, monday
2100
81°F
E
11 mph
11 mph
September 08, tuesday
0000
77°F
E
11 mph
11 mph
0300
77°F
E
6 mph
6 mph
0600
77°F
E
5 mph
5 mph
0900
81°F
E
3 mph
3 mph
1200
84°F
E
7 mph
7 mph
1500
84°F
E
13 mph
13 mph
1800
82°F
E
14 mph
14 mph
