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When to go · Guaíba

Guaíba in September

Good month. Outside the best window (Mar–May, Oct–Nov). Across Brazil: Good across most regions; fire smoke possible in the Pantanal and Amazon; Rock in Rio in some years.

Key facts

Verdict
Good
Temperature
22°C (72°F) / 13°C (55°F)
average high / low
Rain days
9
Crowds
Medium
Brazil overall
Prices
Medium
Brazil overall

Verdict

GoodBrazil month rating

Outside the best window (Mar–May, Oct–Nov). Across Brazil: Good across most regions; fire smoke possible in the Pantanal and Amazon; Rock in Rio in some years.

Is another month better than September?

September is rated good. These months rate higher:

Weather in September

Long-term averages
  • GuaíbaHighs around 22 °C (72 °F), lows around 13 °C (55 °F), rain on about 9 days

Crowds and prices

Crowds · Brazil overall
Medium
Prices · Brazil overall
Medium

Brazil overall: Good across most regions; fire smoke possible in the Pantanal and Amazon; Rock in Rio in some years.

Compare two months

Weather, crowds and prices for any two months in Guaíba, side by side.

  • Verdict

    Sep: Good

    Mar: Great (better)

  • Daytime high

    Sep: 22 °C (72 °F)

    Mar: 28 °C (82 °F)

  • Night low

    Sep: 13 °C (55 °F)

    Mar: 19 °C (66 °F)

  • Rain days

    Sep: 9

    Mar: 8 (better)

  • Crowds

    Sep: Medium

    Mar: Medium

  • Prices

    Sep: Medium

    Mar: Medium

  • Festivals listed

    Sep: 0

    Mar: 1

September: Outside the best window (Mar–May, Oct–Nov). Across Brazil: Good across most regions; fire smoke possible in the Pantanal and Amazon; Rock in Rio in some years.

March: Inside Guaíba's best window: Mar–May, Oct–Nov.

Guaíba: figures are long-term averages from this guide, not a forecast.

What to pack

Nothing unusual for the weather this month.

Build the full packing list for your trip →

Across Brazil in September →