Peru weather
Our guide to the weather in Peru during September
We've looked at the most up-to-date weather data for Peru, covering the last 12 years up to 2024, plus we've asked our team of travel bloggers for their first-hand experiences in order to answer the most frequently asked questions about Peru weather in September.
What's the temperature like in Peru during September?
The temperature reaches around 14℃ during the daytime in September, falling away to 6℃ at night. The UV index will be moderate at this time of year, so not something to worry about for the average person. However, if you're going to be outside for long periods it's worth wearing a broad spectrum SPF 30+ sunscreen and UV-blocking sunglasses. Remember that bright surfaces, such as water and sand increase UV exposure.
Does it rain in Peru during September?
On average, there will be 11 rainy days during the month, amounting to 148.2mm in total. That's a significant amount of rain. For comparison, the wettest months in the UK typically sees between 80mm and 100mm, depending on where you are. There's a good chance that you'll catch a thunderstorm during your trip.
Is it windy in Peru during September?
You're unlikely to experience any strong winds. Expect a light breeze that picks up slightly at times in September. With moderate air temperatures, any breeze will feel cool.
Weather in Peru
Our month-by-month guide to the weather and climate in Peru
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