Long Beach in September
Find out everything about the water temperature in Long Beach in September. Average, minimum and maximum recorded temperatures as well as daily temperature in September for the last two years. Compare the current month's sea temperature data with other months of the year.
Water temperature in September
Minimum:
59.4 °F
Average:
67.9 °F
Maximum:
74.2 °F
Sea water temperature in Long Beach in September
In the city of Long Beach, the month of September is somewhat comfortable for swimming. The minimum recorded temperature during this month was 59.4°F on September 14, 2021, with an average temperature being 67.9°F and a maximum temperature reaching 74.2°F on September 16, 2015.
| Date | 10 years average | 2024 | 2023 |
|---|---|---|---|
| Sep 1 | 67.2°F | 67.9°F | 67.3°F |
| Sep 2 | 67.3°F | 68.6°F | 68.6°F |
| Sep 3 | 67.9°F | 69.8°F | 69.4°F |
| Sep 4 | 67.9°F | 69.0°F | 70.0°F |
| Sep 5 | 68.2°F | 69.2°F | 69.7°F |
| Sep 6 | 67.9°F | 68.2°F | 68.4°F |
| Sep 7 | 67.8°F | 67.9°F | 67.0°F |
| Sep 8 | 68.0°F | 68.6°F | 66.5°F |
| Sep 9 | 68.5°F | 69.3°F | 66.3°F |
| Sep 10 | 68.6°F | 68.4°F | 66.2°F |
| Sep 11 | 68.5°F | 67.3°F | 65.4°F |
| Sep 12 | 68.9°F | 65.3°F | 66.5°F |
| Sep 13 | 69.1°F | 64.8°F | 67.7°F |
| Sep 14 | 69.0°F | 66.5°F | 67.9°F |
| Sep 15 | 69.0°F | 67.7°F | 68.4°F |
| Sep 16 | 68.5°F | 68.4°F | 67.3°F |
| Sep 17 | 68.3°F | 67.8°F | 64.9°F |
| Sep 18 | 68.1°F | 66.0°F | 64.9°F |
| Sep 19 | 67.9°F | 65.8°F | 64.9°F |
| Sep 20 | 67.5°F | 65.6°F | 64.5°F |
| Sep 21 | 67.6°F | 64.9°F | 64.5°F |
| Sep 22 | 68.0°F | 64.7°F | 64.9°F |
| Sep 23 | 67.7°F | 64.4°F | 65.7°F |
| Sep 24 | 67.4°F | 63.9°F | 66.1°F |
| Sep 25 | 67.1°F | 62.5°F | 65.6°F |
| Sep 26 | 67.0°F | 61.8°F | 65.2°F |
| Sep 27 | 67.1°F | 61.5°F | 65.0°F |
| Sep 28 | 67.0°F | 61.1°F | 64.0°F |
| Sep 29 | 67.2°F | 61.9°F | 64.4°F |
| Sep 30 | 67.2°F | 62.4°F | 63.8°F |
In an average year, Long Beach offers no days when the water temperature is warm enough to swim comfortably.
The warmest water in Long Beach was recorded on August 24, 2020, reaching a 74.9°F. While the coldest temperature occurred on April 11, 2023, dipping to 51.6°F. The average readings by season are 59.6°F in Winter, 59.7°F in Spring, 65.6°F in Summer, and 65.8°F in Autumn.
In September, the temperature is higher than August's average of 66.8°F and October's average of 66.3°F.
Popular neighboring cities and resorts
| City | Water temperature* | Distance** |
|---|---|---|
| Redondo Beach |
58.5°F
|
13mi |
| Venice |
57.5°F
|
22mi |
| Laguna Beach |
59.8°F
|
28mi |
| Malibu |
57.8°F
|
38mi |
| Oceanside |
60.4°F
|
61mi |
* current water temperature in this city
** straight line distance from Long Beach