Punta del Este weather in September
September in Punta del Este: cool, a little rain, with clean air — a good time to visit.
#8 of 12 months in Punta del Este · #435 of 604 destinations to visit in September · comfort 69/100 (tier C)
Updated June 2026 · climate normals from ERA5 reanalysis
Punta del Este climate normals — September
| Daytime high | 15°C / 59°F | 🙂 cool |
|---|---|---|
| Nighttime low | 11°C / 51°F | |
| Feels like (high) | 14°C / 57°F | |
| Rainfall | 70 mm / 2.8 in | 🌦 some rain |
| Rainy days | 6 days | |
| Humidity | 79% | 💦 very humid |
| Dew point | 9°C / 48°F | |
| Sunshine | 8.5 h/day | |
| Daylight | 11.9 h | |
| Wind | 23 km/h / 14 mph | |
| Air quality (US AQI) | 35 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
Where is Punta del Este?
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Punta del Este in September — FAQ
- Is September a good time to visit Punta del Este?
- September in Punta del Este: cool, a little rain, with clean air — a good time to visit. It ranks #8 of 12 months for Punta del Este on SeasonMap's comfort score (69/100).
- What is the weather like in Punta del Este in September?
- In September, Punta del Este averages a daily high of 15.1°C and a low of 10.5°C, with about 70.3 mm of rain over roughly 5.6 rainy days.
- What is the air quality in Punta del Este in September?
- Punta del Este has a mean US Air Quality Index of about 35 in September.