Uruguay in September: where is it warmest?
In September, Montevideo is the warmest place with 17 °C by day, Punta del Este the coolest with 15 °C. 1 of 2 destinations have good holiday weather.
All destinations in September, warmest first
Long-term averages for the month: daytime high, sea, sunshine and rainy days.
| Place | Score | Air | Sea | Sun | Rain days |
|---|---|---|---|---|---|
| Montevideo | 76 | 17° | 14° | 6 h | 8 |
| Punta del Este | 24 | 15° | 13° | 6 h | 8 |
Uruguay in September: quick answers
Uruguay in September: where is it warmest?
The warmest places in September are Montevideo (17 °C) and Punta del Este (15 °C).
Uruguay in September: where is the sea warmest?
The sea is warmest at Montevideo (14 °C) and Punta del Este (13 °C).
Uruguay in September: where is the weather best?
The best holiday weather in September – warm, sunny and dry – is in Montevideo and Punta del Este.
Uruguay month by month
Uruguay: weather & best time to visit
Climate averages 1996–2025, not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, WMO 1991–2020 (NOAA NCEI), GeoNames (CC BY 4.0). Sources & licences