Mild
Average highs are around 21°C, so days are mild rather than hot.
September verdict
Peru in September
Weather score52Mixed
Mixed for holiday weather
Average highs are around 21°C, so days are mild rather than hot. Sunshine averages 6h per day, enough for a balanced month. Rainfall averages 34mm, which is relatively low for holiday planning.
September weather
Monthly averages
Temp
21°C
Rain
34mm
Sun
6h
Sea
8°C
Weather score
52
Mixed
Seasonal climate calendar
TemperatureTemp
RainRain
SunSun
SwimSwim
Weather scoreWeather score
Trip feel
Drier
Rainfall averages 34mm, which is relatively low for holiday planning.
Some sun
Sunshine averages 6h per day, enough for a balanced month.
Cool sea
Sea temperatures average 8°C, so the water can feel cool.
Map
Weather map
Compare Peru with nearby places by weather score, rain, sun, temperature, and swim conditions.
Temperature
September21°C average high
September is on the cooler side of Peru's year, useful if you prefer less intense daytime heat.
Warmest monthsJanuary to May and November to December
This stretch sets the upper range for average daytime heat.
Rain
September34mm average rain
September sits on the drier side of Peru's year, which helps with sightseeing and transfers.
Driest monthsMay to September
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
Sun
September6 hours average sun
September is close to Peru's usual sunshine level, with limited seasonal swing across the year.
Brightest monthsApril to August and October to December
This stretch has the strongest sunshine in the monthly averages.
Sea temperature
September8°C average sea
September is one of the coolest sea months, so the water may feel fresher than in peak months.
Warmest seaJanuary to May and December
Sea temperatures are usually near 10°C in this stretch, so swimming comfort is at its strongest.
Weather score
September52 weather score
September is close to Peru's usual weather score, with limited month-to-month change.
Best weather monthsAll year
The weather score stays consistently strong through the year.
