When to go · Callao
Callao in September
Good month. Outside the best window (Oct–Apr (dry, cooler)). Across Peru: Excellent trekking with fewer crowds.
Key facts
- Verdict
- Good
- Temperature
- 22°C (72°F)72°F (22°C) / 16°C (61°F)61°F (16°C)
- average high / low
- Rain days
- 5
- Crowds
- Medium
- Peru overall
- Prices
- Medium
- Peru overall
Verdict
Outside the best window (Oct–Apr (dry, cooler)). Across Peru: Excellent trekking with fewer crowds.
Is another month better than September?
September is rated good. These months rate higher:
Weather in September
- CallaoHighs around 22 °C (72 °F), lows around 16 °C (61 °F), rain on about 5 daysHighs around 72 °F (22 °C), lows around 61 °F (16 °C), rain on about 5 days
Crowds and prices
- Crowds · Peru overall
- Medium
- Prices · Peru overall
- Medium
Peru overall: Excellent trekking with fewer crowds.
Compare two months
Weather, crowds and prices for any two months in Callao, side by side.
Verdict
Sep: Good
Jan: Great (better)
Daytime high
Sep: 22 °C (72 °F)72 °F (22 °C)
Jan: 22 °C (72 °F)72 °F (22 °C)
Night low
Sep: 16 °C (61 °F)61 °F (16 °C)
Jan: 16 °C (61 °F)61 °F (16 °C)
Rain days
Sep: 5 (better)
Jan: 8
Crowds
Sep: Medium
Jan: Medium
Prices
Sep: Medium
Jan: Medium
Festivals listed
Sep: 0
Jan: 0
September: Outside the best window (Oct–Apr (dry, cooler)). Across Peru: Excellent trekking with fewer crowds.
January: Inside Callao's best window: Oct–Apr (dry, cooler).
Callao: figures are long-term averages from this guide, not a forecast.
What to pack
Nothing unusual for the weather this month.