Cool
Average highs are around 16°C, so pack for cooler days.
September verdict
Santiago, Chile in September
Weather score41Mixed
Mixed for holiday weather
Average highs are around 16°C, so pack for cooler days. Sunshine averages 5.7h per day, enough for a balanced month. Rainfall averages 32mm, which is relatively low for holiday planning.
September weather
Monthly averages
Temp
16°C
Rain
32mm
Sun
5.7h
Weather score
41
Mixed
Seasonal climate calendar
TemperatureTemp
RainRain
SunSun
Weather scoreWeather score
Trip feel
Drier
Rainfall averages 32mm, which is relatively low for holiday planning.
Some sun
Sunshine averages 5.7h per day, enough for a balanced month.
Map
Weather map
Compare Santiago, Chile with nearby places by weather score, rain, sun, temperature, and swim conditions.
Temperature
September16°C average high
September is on the cooler side of Santiago's year, useful if you prefer less intense daytime heat.
Warmest monthsJanuary to February and December
This stretch sets the upper range for average daytime heat.
Rain
September32mm average rain
September sits near Santiago's yearly rainfall average, so rain is a normal planning factor rather than an outlier.
Driest monthsJanuary to April and September to December
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
Sun
September5.7 hours average sun
September is below Santiago's yearly sunshine average, so bright-day planning is less reliable than in peak months.
Brightest monthsJanuary to February and November to December
This stretch has the strongest sunshine in the monthly averages.
Weather score
September41 weather score
September scores below Santiago's yearly average, so the weather trade-offs are more noticeable.
Best weather monthsJanuary to February and December
These months have the strongest weather score in the monthly averages.
