Swimming in Montevideo in september 2025: Average sea temperature in september and tide times in september 2025
Average sea temperature in Montevideo in september 2025.
In september, according to seasonal norms, the sea temperature in Montevideo is:
Minimum: 52°F
Average: 56°F
Maximum: 61°F
Other useful seasonal weather averages in september:
- Outside temperature: 52°F to 62°F
- Most common weather: "Clear/Sunny"
- The wind blows at 6.2mph
- It rains a total of 5.9in, over 6 day(s).
Should we swim in Montevideo in september?
No... The water temperature in Montevideo in september is freezing
You won't be able to swim in Montevideo in september! The water temperature is freezing, reaching as low as 52°F (and only 61°F at best)! Our advice: if you are going to Montevideo this month, plan to sightsee and forget the beach!
Note also that in september, the climate is good with an average outside temperature of 57°F, 5.9in of precipitation (over 6 days) and 84.77 % humidity.
Water and normal seasonal temperatures in Montevideo in september
| 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 | ||
| Wind speed | 14.3mph | ||
| Wind temperature | 50°F | ||
| Precipitation | 5.9in | ||
| Number of days of rain | 6 jour(s) (18%) | ||
| Humidity | 85% | ||
| Visibility in kilometers | 9.31km | ||
| Cloud cover | 36% | ||
| Our opinion | freezing swimming |
Chart of the tides in september 2025
Tide times in september 2025 in Montevideo
Swim elsewhere in Uruguay in september
| City | Average T° | Min. T° | Max. T° | Our opinion | Punta del Este in september | 55°F | 59°F | freezing swimming |