Cool
Average highs are around 20°C, so pack for cooler days.
September verdict
Mixed for holiday weather
Average highs are around 20°C, so pack for cooler days. Sunshine averages 3.2h per day, so this is not one of the brighter months. Rainfall averages 1mm, which is relatively low for holiday planning.
Monthly averages
Temp
20°C
Rain
1mm
Sun
3.2h
Sea
17°C
Weather score
46
Mixed
Cool
Average highs are around 20°C, so pack for cooler days.
Drier
Rainfall averages 1mm, which is relatively low for holiday planning.
Limited sun
Sunshine averages 3.2h per day, so this is not one of the brighter months.
Cool sea
Sea temperatures average 17°C, so the water can feel cool.
Map
Compare Caral, Peru with nearby places by weather score, rain, sun, temperature, and swim conditions.
September20°C average high
September has some of the coolest average daytime highs of the year, so pack for fresher conditions.
Warmest monthsJanuary to March
This stretch sets the upper range for average daytime heat.
September1mm average rain
September is close to Caral's usual rainfall pattern, with little seasonal change across the year.
Driest monthsAll year
Rainfall stays comparatively low through the year.
September3.2 hours average sun
September is below Caral's yearly sunshine average, so bright-day planning is less reliable than in peak months.
Brightest monthsJanuary to April and December
This stretch has the strongest sunshine in the monthly averages.
September17°C average sea
September is one of the coolest sea months, so the water may feel fresher than in peak months.
Warmest seaJanuary to March
Sea temperatures are usually near 20°C in this stretch, so swimming comfort is at its strongest.
September46 weather score
September is one of the weakest weather-score months, when the overall mix is less favourable than the rest of the year.
Best weather monthsJanuary to April
These months have the strongest weather score in the monthly averages.