Swimming in Mar del Plata in september 2025: Average sea temperature in september and tide times in september 2025

Average sea temperature in Mar del Plata in september 2025.

In september, according to seasonal norms, the sea temperature in Mar del Plata is:

Minimum: 48°F

Average: 51°F

Maximum: 54°F

Other useful seasonal weather averages in september:

  • Outside temperature: 48°F to 58°F
  • Most common weather: "Clear/Sunny"
  • The wind blows at 3.7mph
  • It rains a total of 3.3in, over 4 day(s).

Should we swim in Mar del Plata in september?

No... The water temperature in Mar del Plata in september is freezing

You won't be able to swim in Mar del Plata in september! The water temperature is freezing, reaching as low as 48°F (and only 54°F at best)! Our advice: if you are going to Mar del Plata this month, plan to sightsee and forget the beach!

Note also that in september, the climate is tolerable with an average outside temperature of 53°F, 3.3in of precipitation (over 4 days) and 83.78 % humidity.

Water and normal seasonal temperatures in Mar del Plata in september

September
Average sea temperature 51°F
Minimum sea temperature 48°F
Maximum sea temperature 54°F
Average outside temperature 54°F
Maximum outside temperature 58°F
Minimum outside temperature 49°F
Wind speed 15.5mph
Wind temperature 43°F
Precipitation 3.3in
Number of days of rain 4 jour(s)
(14%)
Humidity 84%
Visibility in kilometers 9.46km
Cloud cover 36%
Our opinion freezing swimming

Chart of the tides in september 2025

Tide times in september 2025 in Mar del Plata

Swim elsewhere in Argentina in september

City Average T° Max. T° Our opinion
Buenos Aires in september58°F62°Ffreezing swimming
Bahía Blanca in september51°F55°Ffreezing swimming
Puerto Madryn in september50°F52°Ffreezing swimming

Swim in Argentina in september: sea temperature by city

Change units