When to go · Piriapolis

Piriapolis in September

Good month. Outside the best window (Dec–Mar (beach season); Nov and Apr for quiet walks). Across Uruguay: Early spring; whales off the Rocha coast from about August to November.

Key facts

Verdict: Good
Temperature: 18°C (64°F)64°F (18°C) / 9°C (48°F)48°F (9°C); average high / low
Rain days: 7
Crowds: Low; Uruguay overall
Prices: Low; Uruguay overall

Plan around it

Verdict

GoodUruguay month rating

Outside the best window (Dec–Mar (beach season); Nov and Apr for quiet walks). 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

PiriapolisHighs around 18 °C (64 °F), lows around 9 °C (48 °F), rain on about 7 daysHighs around 64 °F (18 °C), lows around 48 °F (9 °C), rain on about 7 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 Piriapolis, side by side.

First month

Second month

Verdict
Sep: Good
Jan: Great (better)
Daytime high
Sep: 18 °C (64 °F)64 °F (18 °C)
Jan: 29 °C (84 °F)84 °F (29 °C)
Night low
Sep: 9 °C (48 °F)48 °F (9 °C)
Jan: 18 °C (64 °F)64 °F (18 °C)
Rain days
Sep: 7
Jan: 7
Crowds
Sep: Low
Jan: High
Prices
Sep: Low
Jan: High
Festivals listed
Sep: 0
Jan: 0

September: Outside the best window (Dec–Mar (beach season); Nov and Apr for quiet walks). Across Uruguay: Early spring; whales off the Rocha coast from about August to November.

January: Inside Piriapolis's best window: Dec–Mar (beach season); Nov and Apr for quiet walks.

Piriapolis: 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 →