World sea water temperatures

Water temperature in Porto Cervo in September

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Is it warm enough to swim in Porto Cervo in September? Average water temperature in Porto Cervo in September is 23.9°C and therefore suitable for comfortable swimming. The warmest sea in Porto Cervo in September is 27.6°C, and the coldest is 20.8°C. To find out the sea temperature today and in the coming days, go to Current sea temperature in Porto Cervo

Changes water temperature in Porto Cervo in September 2025, 2024

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

You can choose any other years:

Year 1:   Year 2:


Day 2025 2024 Min Max
1 September25°C27.6°C22.8°C27.6°C
2 September24.6°C27.3°C22.8°C27.3°C
3 September24.5°C27.2°C23.2°C27.2°C
4 September24.2°C26.8°C23.1°C27°C
5 September24.5°C26.7°C22.5°C27°C
6 September 26.6°C22.4°C26.9°C
7 September 26.4°C22.8°C26.8°C
8 September 26.1°C22.8°C27.1°C
9 September 25.5°C22.9°C26.6°C
10 September 24.9°C22.8°C26.4°C
11 September 23.7°C22.8°C25.9°C
12 September 23.1°C22.7°C25.9°C
13 September 22.6°C22.6°C25.5°C
14 September 23°C22.6°C25.6°C
15 September 22.8°C22.5°C25.5°C
Day 2025 2024 Min Max
16 September 23.3°C22.6°C25.8°C
17 September 23.2°C22.5°C25.5°C
18 September 23°C22.3°C25.5°C
19 September 22.7°C22.3°C25.2°C
20 September 22.6°C22.2°C25.2°C
21 September 22.3°C22.3°C25.5°C
22 September 22.6°C22.3°C25.3°C
23 September 22°C22°C25.3°C
24 September 21.7°C21.7°C25.4°C
25 September 21.8°C21.8°C24.7°C
26 September 22.3°C21.6°C24.4°C
27 September 22.1°C20.9°C24.2°C
28 September 21.3°C20.8°C24.1°C
29 September 21.4°C20.9°C23.8°C
30 September 21.1°C20.8°C23.6°C
Porto Cervo water temp chart in September

Average water temperature in Porto Cervo in September over a decade

20152016201720182019
23.8°C24°C23.4°C25.3°C24.8°C
20202021202220232024
24.7°C24.3°C25°C23.7°C23.8°C

Porto Cervo sea state in September

Chart comparing the height of waves in Porto Cervo in September over the past years. The red line indicates the height of the waves when swimming in the sea is prohibited. To view the current sea conditions, click on the graph.

Waves height in Porto Cervo in September

Porto Cervo water temperature during other months:

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

Where is the warm sea water in September?

Want to know where the water temperature in September is good for swimming? Select the continent of interest, the day of the month and the required water temperature

Region
Date (day and month)
Water temperature: min 16°C
 Average temperature  Maximum temperature

Temperature in neighboring cities

The nearest locations with the average water temperature in September. In addition, the maximum and minimum water temperatures for that month, recorded over the last decade, are shown

AvrMinMax
Porto Rotondo23.9°C20.8°C27.6°C
Cala Granu23.9°C20.8°C27.2°C
Costa Smeralda23.8°C20.8°C27.2°C
Caprera23.8°C20.8°C27.2°C
Cannigione23.9°C20.8°C27.1°C
Baja Sardinia23.9°C20.8°C27.1°C
Arzachena23.9°C20.8°C27.1°C
Capriccioli23.9°C20.9°C27.1°C
Grande Pevero23.9°C20.9°C27.1°C
Palau23.8°C20.8°C27.2°C

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[1] - The "Blue Flag" is awarded to beaches which fulfill a number of criteria, including: the quality of the bathing water, which must be in accordance with the relevant European Union Directive environmental education and information and beach area management and safety.

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Our report for Porto Cervo 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.

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