The temperatures in Arequipa in September are usually low and can range between 10°C and 17°C.
There is little to no rain in Arequipa during September, so it’s a lot easier to explore the city. Just remember to dress in warm layers, as it can still get pretty chilly.
Our weather forecast can give you a great sense of what weather to expect in Arequipa in September 2025.
If you’re planning to visit Arequipa in the near future, we highly recommend that you review the 14 day weather forecast for Arequipa before you arrive.
Temperatures
17° / 10°
Rainy Days
0
Snowy Days
0
Dry Days
30
Rainfall
15
mm
Sun Hours
11.9
Hrs
