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Water temperature in Tres Arroyos in September

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Is it warm enough to swim in Tres Arroyos in September? Average water temperature in Tres Arroyos in September is 10.6°C and therefore is not suitable for comfortable swimming. The warmest sea in Tres Arroyos in September is 14.2°C, and the coldest is 8.5°C. Average high air temperature in Tres Arroyos in September is 17°C, and average low temperature is 5°C. To find out the sea temperature today and in the coming days, go to Current sea temperature in Tres Arroyos

Changes water temperature in Tres Arroyos in September 2025, 2024

To get an accurate forecast for the water temperature in Tres Arroyos for any chosen month, compare two years within a 10 year range using the chart below. In addition to the sea water temperature in Tres Arroyos, 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 September10°C8.6°C8.5°C11.1°C
2 September10.1°C8.8°C8.7°C11°C
3 September10.2°C9.2°C8.8°C11°C
4 September10°C9.2°C8.8°C11.1°C
5 September9.8°C9.2°C8.6°C11°C
6 September 9.2°C9°C11.2°C
7 September 9.3°C9.1°C11.4°C
8 September 9.5°C9.4°C11.7°C
9 September 9.5°C9.4°C12°C
10 September 9.5°C9.5°C13.2°C
11 September 9.6°C9.3°C13.4°C
12 September 9.9°C9.5°C12.8°C
13 September 9.9°C9.4°C12.6°C
14 September 9.8°C9.5°C12.6°C
15 September 10°C9.5°C13°C
Day 2025 2024 Min Max
16 September 9.8°C9.4°C14°C
17 September 10.2°C9.2°C13.2°C
18 September 10.1°C9.4°C13.6°C
19 September 10.5°C9.6°C13.5°C
20 September 10.5°C9.7°C13.2°C
21 September 10.5°C9.7°C12.6°C
22 September 11.2°C9.6°C13.5°C
23 September 11.4°C9.5°C13.5°C
24 September 11.5°C9.3°C14.2°C
25 September 11°C9.3°C13.8°C
26 September 11.2°C9.7°C14.1°C
27 September 11.5°C9.9°C13.8°C
28 September 11.9°C10.4°C13.1°C
29 September 12°C10°C13°C
30 September 12°C10.5°C13.3°C
Tres Arroyos water temp chart in September

Average water temperature in Tres Arroyos in September over a decade

20152016201720182019
10.7°C10.9°C11.8°C10.8°C10.2°C
20202021202220232024
9.9°C11°C10.9°C9.9°C10.2°C

Tres Arroyos sea state in September

Chart comparing the height of waves in Tres Arroyos 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 Tres Arroyos in September

Weather and climate in Tres Arroyos in September

This data display average monthly climate indicators in Tres Arroyos in September based on our historical weather readings over a period of ten years. In addition to temperature, we include data on the number of rainy and sunny days so you can have all the information about your destination before your trip

  • Average HIGH temperature17°C
  • Average LOW temperature5°C
  • Average humidity
    71
  • Average rainfall days8 days
  • Average rainfall2.6''/66mm
  • Average sunshine6.4h

Tres Arroyos 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
Balneario Oceano10.6°C8.4°C14.2°C
Balneario Marisol10.6°C8.3°C14.2°C
San Cayetano10.7°C8.9°C14.2°C
Balneario Sauce Grande10.8°C8°C14.2°C
Balneario Los Angeles10.8°C9.2°C14.3°C
Necochea10.8°C9.2°C14.4°C
Quequen10.8°C9.2°C14.4°C
Costa Bonita10.8°C9.2°C14.4°C
Arenas Verdes10.8°C9.2°C14.4°C
Arroyo Parejas11°C7.9°C14.6°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 Tres Arroyos 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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