SeasonMapUruguay in September
September is Uruguay's 8th-best month (rank 8 of 12): its 4 destinations average 75/100, led by Colonia del Sacramento at 85 — 17°C and 6 rainy days — while Punta del Diablo trails at 65 with 89 mm of rain.
#8 of 12 months for Uruguay · 4 destinations · updated September 2026 · climate normals from ERA5 reanalysis
Where in Uruguay in September
| # | Place | Type | Feels-like high | Rain | Comfort | At its best |
|---|---|---|---|---|---|---|
| 1 | Colonia del Sacramento | City | 17°C | 56 mm · 6 days | 85 tier A | — |
| 2 | Montevideo | City | 16°C | 64 mm · 7 days | 82 tier A | — |
| 3 | Punta del Este | Beach | 15°C | 72 mm · 7 days | 68 tier C | — |
| 4 | Punta del Diablo | Beach | 15°C | 89 mm · 10 days | 65 tier C | — |
Comfort is SeasonMap's 0–100 score; each place is judged through the lens that suits it — beaches on beach weather, ski resorts on snow. "At its best" means September is one of that place's own top three months. Feels-like highs fold in humidity, wind and sun.
What's on in Uruguay in September
- Dia del Patrimonio · Montevideo · 28 Sep – 12 Oct (usually)
- Right whales off the coast · Punta del Este · 15 Jul – 31 Oct (usually)
- Southern right whales · Punta del Diablo · 1 Jul – 31 Oct