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When to go · Treinta y Tres

Treinta y Tres in September

Good month. Outside the best window (Oct–Apr). Across Uruguay: Early spring; whales off the Rocha coast from about August to November.

Key facts

Verdict
Good
Temperature
20°C (68°F) / 9°C (48°F)
average high / low
Rain days
8
Crowds
Low
Uruguay overall
Prices
Low
Uruguay overall

Verdict

GoodUruguay month rating

Outside the best window (Oct–Apr). Across Uruguay: Early spring; whales off the Rocha coast from about August to November.

Is another month better than September?

September is rated good. These months rate higher:

Weather in September

Long-term averages
  • Treinta y TresHighs around 20 °C (68 °F), lows around 9 °C (48 °F), rain on about 8 days

Crowds and prices

Crowds · Uruguay overall
Low
Prices · Uruguay overall
Low

Uruguay overall: Early spring; whales off the Rocha coast from about August to November.

Compare two months

Weather, crowds and prices for any two months in Treinta y Tres, side by side.

  • Verdict

    Sep: Good

    Jan: Great (better)

  • Daytime high

    Sep: 20 °C (68 °F)

    Jan: 31 °C (88 °F)

  • Night low

    Sep: 9 °C (48 °F)

    Jan: 18 °C (64 °F)

  • Rain days

    Sep: 8

    Jan: 8

  • Crowds

    Sep: Low

    Jan: High

  • Prices

    Sep: Low

    Jan: High

  • Festivals listed

    Sep: 0

    Jan: 0

September: Outside the best window (Oct–Apr). Across Uruguay: Early spring; whales off the Rocha coast from about August to November.

January: Inside Treinta y Tres's best window: Oct–Apr.

Treinta y Tres: figures are long-term averages from this guide, not a forecast.

What to pack

  • A warm layer for the evenings

Build the full packing list for your trip →

Across Uruguay in September →