Swimming in Uruguay in september 2025 Sea temperature by city in september
Do you want to go to the beach in Uruguay in september 2025? Is it the right month to go for pleasant temperatures and staying in the water for a long time? The answer is on this page with the sea temperatures in september in Uruguay by city and our opinion on the chances of enjoying pleasant sea conditions.
Sea temperature in Uruguay in september 2025
Here, find the average sea temperature in Uruguay in september in several coastal cities.
Río de la Plata in september
56°F
min: 52°F / max: 61°F
Carmelo
56°F
min: 54°F / max: 59°F
Colonia del Sacramento
58°F
min: 54°F / max: 62°F
Atlantida
56°F
min: 51°F / max: 60°F
Barra de Carrasco
56°F
min: 52°F / max: 61°F
Fray Bentos
56°F
min: 54°F / max: 59°F
Atlantic coast in september
55°F
min: 51°F / max: 59°F
La Paloma
55°F
min: 51°F / max: 59°F
Piriápolis
56°F
min: 51°F / max: 59°F
Where should you go swimming in Uruguay in the month of september?
Swimming in Uruguay in september is freezing
In september in Uruguay swimming conditions are generally the same everywhere.
Forget about swimming in Montevideo, Punta del Este, Carmelo, Colonia del Sacramento, La Paloma, Piriápolis, Atlantida, Barra de Carrasco, Fray Bentos and La Floresta in september! The water temperature is freezing, reaching as low as 52°F (and only 61°F at the best of times). Our advice: plan on sightseeing, and don't bring your beach towel!
Where to go swimming in Uruguay in september: the map of sea temperatures
ideal swimming 
pleasant swimming 
cool swimming 
cold swimming 
freezing swimmingWater temperature and seasonal norms in september
Montevideo
| September | |||
| Average sea temperature | 56°F | ||
| Minimum sea temperature | 52°F | ||
| Maximum sea temperature | 61°F | ||
| Average outside temperature | 58°F | ||
| Maximum outside temperature | 63°F | ||
| Minimum outside temperature | 54°F | ||
| Precipitation | 5.9in | ||
| Number of days of precipitation | 6 jour(s) (18%) | ||
| Cloud cover | 36% | ||
| Our opinion | freezing swimming |
More information on swimming in Montevideo in september
Punta del Este
| September | |||
| Average sea temperature | 55°F | ||
| Minimum sea temperature | 51°F | ||
| Maximum sea temperature | 59°F | ||
| Average outside temperature | 58°F | ||
| Maximum outside temperature | 61°F | ||
| Minimum outside temperature | 54°F | ||
| Precipitation | 5.2in | ||
| Number of days of precipitation | 5 jour(s) (18%) | ||
| Cloud cover | 38% | ||
| Our opinion | freezing swimming |
More information on swimming in Punta del Este in september
Carmelo
| September | |||
| Average sea temperature | 56°F | ||
| Minimum sea temperature | 54°F | ||
| Maximum sea temperature | 59°F | ||
| Average outside temperature | 59°F | ||
| Maximum outside temperature | 68°F | ||
| Minimum outside temperature | 52°F | ||
| Precipitation | 3.1in | ||
| Number of days of precipitation | 4 jour(s) (13%) | ||
| Cloud cover | 33% | ||
| Our opinion | freezing swimming |
Colonia del Sacramento
| September | |||
| Average sea temperature | 58°F | ||
| Minimum sea temperature | 54°F | ||
| Maximum sea temperature | 62°F | ||
| Average outside temperature | 58°F | ||
| Maximum outside temperature | 63°F | ||
| Minimum outside temperature | 54°F | ||
| Precipitation | 5.5in | ||
| Number of days of precipitation | 5 jour(s) (17%) | ||
| Cloud cover | 34% | ||
| Our opinion | freezing swimming |
La Paloma
| September | |||
| Average sea temperature | 55°F | ||
| Minimum sea temperature | 51°F | ||
| Maximum sea temperature | 59°F | ||
| Average outside temperature | 59°F | ||
| Maximum outside temperature | 65°F | ||
| Minimum outside temperature | 52°F | ||
| Precipitation | 5.9in | ||
| Number of days of precipitation | 6 jour(s) (20%) | ||
| Cloud cover | 43% | ||
| Our opinion | freezing swimming |
List of coastal cities in Uruguay
| Montevideo in september | freezing swimming |
| Punta del Este in september | freezing swimming |
| Carmelo in september | freezing swimming |
| Colonia del Sacramento in september | freezing swimming |
| La Paloma in september | freezing swimming |
| Piriápolis in september | freezing swimming |
| Atlantida in september | freezing swimming |
| Barra de Carrasco in september | freezing swimming |
| Fray Bentos in september | freezing swimming |
| La Floresta in september | freezing swimming |