When to go · Porto Velho
Porto Velho in September
Great month. Inside Porto Velho's best window: May–Sep (drier).
Key facts
- Verdict
- Great
- Temperature
- 34°C (93°F)93°F (34°C) / 22°C (72°F)72°F (22°C)
- average high / low
- Rain days
- 8
- Crowds
- Medium
- Brazil overall
- Prices
- Medium
- Brazil overall
Verdict
Inside Porto Velho's best window: May–Sep (drier).
Is another month better than September?
No other month rates higher than September for Porto Velho in this guide.
Weather in September
- Porto VelhoHighs around 34 °C (93 °F), lows around 22 °C (72 °F), rain on about 8 daysHighs around 93 °F (34 °C), lows around 72 °F (22 °C), rain on about 8 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 Porto Velho, side by side.
Verdict
Sep: Great
May: Great
Daytime high
Sep: 34 °C (93 °F)93 °F (34 °C)
May: 31 °C (88 °F)88 °F (31 °C)
Night low
Sep: 22 °C (72 °F)72 °F (22 °C)
May: 22 °C (72 °F)72 °F (22 °C)
Rain days
Sep: 8 (better)
May: 10
Crowds
Sep: Medium
May: Low
Prices
Sep: Medium
May: Low
Festivals listed
Sep: 0
May: 0
September: Inside Porto Velho's best window: May–Sep (drier).
May: Inside Porto Velho's best window: May–Sep (drier).
Porto Velho: figures are long-term averages from this guide, not a forecast.
What to pack
- Light, breathable clothes, a sun hat and sunscreen