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When to go · Oeiras

Oeiras in September

Good month. Outside the best window (Jun–Aug (festivals), Easter week). 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
36°C (97°F) / 23°C (73°F)
average high / low
Rain days
3
Crowds
Medium
Brazil overall
Prices
Medium
Brazil overall

Verdict

GoodBrazil month rating

Outside the best window (Jun–Aug (festivals), Easter week). 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
  • OeirasHighs around 36 °C (97 °F), lows around 23 °C (73 °F), rain on about 3 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 Oeiras, side by side.

  • Verdict

    Sep: Good

    Jun: Great (better)

  • Daytime high

    Sep: 36 °C (97 °F)

    Jun: 33 °C (91 °F)

  • Night low

    Sep: 23 °C (73 °F)

    Jun: 21 °C (70 °F)

  • Rain days

    Sep: 3

    Jun: 3

  • Crowds

    Sep: Medium

    Jun: Medium

  • Prices

    Sep: Medium

    Jun: Medium

  • Festivals listed

    Sep: 0

    Jun: 1

September: Outside the best window (Jun–Aug (festivals), Easter week). Across Brazil: Good across most regions; fire smoke possible in the Pantanal and Amazon; Rock in Rio in some years.

June: Inside Oeiras's best window: Jun–Aug (festivals), Easter week.

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

What to pack

  • Light, breathable clothes, a sun hat and sunscreen

Build the full packing list for your trip →

Across Brazil in September →