East Sussex water temperature in September

Is East Sussex too cold to swim in autumn? In September sea water temperature throughout East Sussex is not yet warm enough for swimming and does not exceed 20°C. Based on average water temperature observations over the past ten years, the warmest sea in East Sussex in September was 17.6°C (in Peacehaven), and the coldest water 17.5°C (in Brighton). To find out the sea temperature today and in the coming days, go to Current sea temperature in East Sussex

East Sussex sea surface temp in September

East Sussex cities and resorts with the values of the average water temperature in September in recent years.
For more detailed information about water temperature, surf forecast, weather and time of sunrise and sunset in any specific area of your interest, just click on a city name. For ease of search, all places are also grouped by the first letter of the name.

To find out what the water temperature was in East Sussex any day over a period of the last ten years, select the month

Places with the warmest average sea water temperature in East Sussex in September. Also indicated are the maximum and minimum temperatures in September for these locations based on observations over the past 10 years

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Our report for United Kingdom 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.