Swimming in Buenos Aires in september 2025: Average sea temperature in september and tide times in september 2025
Average sea temperature in Buenos Aires in september 2025.
In september, according to seasonal norms, the sea temperature in Buenos Aires is:
Minimum: 54°F
Average: 58°F
Maximum: 62°F
Other useful seasonal weather averages in september:
- Outside temperature: 53°F to 64°F
- Most common weather: "Clear/Sunny"
- The wind blows at 6.2mph
- It rains a total of 4.3in, over 5 day(s).
Should we swim in Buenos Aires in september?
No... The water temperature in Buenos Aires in september is freezing
You won't be able to swim in Buenos Aires in september! The water temperature is freezing, reaching as low as 54°F (and only 62°F at best)! Our advice: if you are going to Buenos Aires this month, plan to sightsee and forget the beach!
Note also that in september, the climate is good with an average outside temperature of 59°F, 4.3in of precipitation (over 5 days) and 81.91 % humidity.
Water and normal seasonal temperatures in Buenos Aires in september
| September | |||
| Average sea temperature | 58°F | ||
| Minimum sea temperature | 54°F | ||
| Maximum sea temperature | 62°F | ||
| Average outside temperature | 59°F | ||
| Maximum outside temperature | 65°F | ||
| Minimum outside temperature | 54°F | ||
| Wind speed | 13.7mph | ||
| Wind temperature | 50°F | ||
| Precipitation | 4.3in | ||
| Number of days of rain | 5 jour(s) (16%) | ||
| Humidity | 82% | ||
| Visibility in kilometers | 9.48km | ||
| Cloud cover | 34% | ||
| Our opinion | freezing swimming |
Chart of the tides in september 2025
Tide times in september 2025 in Buenos Aires
Swim elsewhere in Argentina in september
| City | Average T° | Min. T° | Max. T° | Our opinion | Mar del Plata in september | 51°F | 54°F | freezing swimming | Bahía Blanca in september | 51°F | 55°F | freezing swimming | Puerto Madryn in september | 50°F | 52°F | freezing swimming |