Water temperature in Law Street Beach (CA) in September

Is it warm enough to swim in Law Street Beach in September? Average water temperature in Law Street Beach in September is 69.6°F and therefore suitable for comfortable swimming. The warmest sea in Law Street Beach in September is 75.7°F, and the coldest is 63.5°F. To find out the sea temperature today and in the coming days, go to Current sea temperature in Law Street Beach

Changes water temperature in Law Street Beach in September 2025, 2024

To get an accurate forecast for the water temperature in Law Street Beach for any chosen month, compare two years within a 10 year range using the chart below. In addition to the sea water temperature in Law Street Beach, the selected years in the table also show the values of the maximum and minimum temperatures on each of the days of September.

Average water temperature in Law Street Beach in September over a decade

You can also view information about water temperature for other months by clicking on the month button below

Places with the warmest average sea water temperature in California in September. In addition, the maximum and minimum water temperatures for that month, recorded over the last decade, are shown

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Our report for Law Street Beach is compiled using satellite data together with in-situ observations to get the most reliable daily data of sea surface temperatures, surf forecasts, current temperatures and weather forecasts.