Is Azores too cold to swim in autumn? In September sea water temperature throughout Azores warms above 20°C and it is enough for a comfortable bath. Based on average water temperature observations over the past ten years, the warmest sea in Azores in September was 23.5°C (in Santa Maria Island), and the coldest water 22.6°C (in Angra do Heroismo). To find out the sea temperature today and in the coming days, go to Current sea temperature in Azores
Azores 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 Azores any day over a period of the last ten years, select the month