When to go · Ballestas Islands

Ballestas Islands in September

Good month. Outside the best window (Dec–Mar (calm seas, warmer weather)). Across Peru: Excellent trekking with fewer crowds.

Key facts

Verdict: Good
Temperature: 21°C (70°F)70°F (21°C) / 14°C (57°F)57°F (14°C); average high / low
Rain days: 1
Crowds: Medium; Peru overall
Prices: Medium; Peru overall

Plan around it

Verdict

GoodPeru month rating

Outside the best window (Dec–Mar (calm seas, warmer weather)). Across Peru: Excellent trekking with fewer crowds.

September is rated good. These months rate higher:

Long-term averages

Ballestas IslandsHighs around 21 °C (70 °F), lows around 14 °C (57 °F), rain on about 1 dayHighs around 70 °F (21 °C), lows around 57 °F (14 °C), rain on about 1 day

Peru overall: Excellent trekking with fewer crowds.

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

First month

Second month

September: Outside the best window (Dec–Mar (calm seas, warmer weather)). Across Peru: Excellent trekking with fewer crowds.

January: Inside Ballestas Islands's best window: Dec–Mar (calm seas, warmer weather).

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

Nothing unusual for the weather this month.