Cool
Average highs are around 14°C, so pack for cooler days.
September verdict
Juan Fernández Islands, Chile in September
Weather score35Poor
Poor for holiday weather
Average highs are around 14°C, so pack for cooler days. Sunshine averages 5.6h per day, enough for a balanced month. Rainfall averages 82mm, so some wet days are possible.
September weather
Monthly averages
Temp
14°C
Rain
82mm
Sun
5.6h
Sea
14°C
Weather score
35
Poor
Seasonal climate calendar
TemperatureTemp
RainRain
SunSun
SwimSwim
Weather scoreWeather score
Trip feel
Showers
Rainfall averages 82mm, so some wet days are possible.
Some sun
Sunshine averages 5.6h per day, enough for a balanced month.
Cool sea
Sea temperatures average 14°C, so the water can feel cool.
Map
Weather map
Compare Juan Fernández Islands, Chile with nearby places by weather score, rain, sun, temperature, and swim conditions.
Temperature
September14°C average high
September has some of the coolest average daytime highs of the year, so pack for fresher conditions.
Warmest monthsJanuary to March and December
This stretch sets the upper range for average daytime heat.
Rain
September82mm average rain
September sits near Juan Fernández Islands' yearly rainfall average, so rain is a normal planning factor rather than an outlier.
Driest monthsJanuary to March and October to December
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
Sun
September5.6 hours average sun
September is below Juan Fernández Islands' yearly sunshine average, so bright-day planning is less reliable than in peak months.
Brightest monthsJanuary to March and November to December
This stretch has the strongest sunshine in the monthly averages.
Sea temperature
September14°C average sea
September is one of the coolest sea months, so the water may feel fresher than in peak months.
Warmest seaJanuary to April
Sea temperatures are usually near 19°C in this stretch, so swimming comfort is at its strongest.
Weather score
September35 weather score
September scores below Juan Fernández Islands' yearly average, so the weather trade-offs are more noticeable.
Best weather monthsJanuary to March and December
These months have the strongest weather score in the monthly averages.