Current sea water temperature:
+71.2°F
| Minimum sea water temperature in September: | 74.1°F |
| Maximum sea water temperature in September: | 59.9°F |
| Average sea water temperature in September: | 67.7°F |
| more information | |
14 days
forecast
forecast
| Long Beach |
monthly
weather
weather
| Long Beach |
Sea water temperature for the last 10 days:
| September 7 | 71.2°F | September 2 | 71.4°F |
| September 6 | 71.6°F | September 1 | 73.0°F |
| September 5 | 71.2°F | August 31 | 74.3°F |
| September 4 | 71.2°F | August 30 | 74.8°F |
| September 3 | 71.1°F | August 29 | 74.5°F |
Monthly sea water temperature, °F
When is the warmest sea in Long Beach?
Based on the data about daily sea water temperature for the last three years the warmest sea in Long Beach was noticed in September, August and July.
Monthly Sea Temperatures in Long Beach, °F
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.
Sea water temperature in August, °F
Show year:
2026
2025
2024
The average sea water temperature in August of 2026 was 69.8°F. The highest and lowest sea temperatures during the month were 74.8°F and 66.6°F.
Sea water temperature in July, °F
Show year:
2026
2025
2024
The average sea water temperature in July of 2026 was 68.4°F. The highest and lowest sea temperatures during the month were 72.1°F and 63.9°F.
current
weather
weather
| Long Beach |
weather in
September
September
| Long Beach |
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: 18:58
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
