Cool
Average highs are around 12°C, so pack for cooler days.
September verdict
Puerto Montt, Chile in September
Weather score25Poor
Poor for holiday weather
Average highs are around 12°C, so pack for cooler days. Sunshine averages 6h per day, enough for a balanced month. Rainfall averages 147mm, so some wet days are possible.
September weather
Monthly averages
Temp
12°C
Rain
147mm
Sun
6h
Sea
11°C
Weather score
25
Poor
Seasonal climate calendar
TemperatureTemp
RainRain
SunSun
SwimSwim
Weather scoreWeather score
Trip feel
Showers
Rainfall averages 147mm, so some wet days are possible.
Some sun
Sunshine averages 6h per day, enough for a balanced month.
Cool sea
Sea temperatures average 11°C, so the water can feel cool.
Map
Weather map
Compare Puerto Montt, Chile with nearby places by weather score, rain, sun, temperature, and swim conditions.
Temperature
September12°C average high
September is on the cooler side of Puerto Montt'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
September147mm average rain
September sits near Puerto Montt's 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
September6 hours average sun
September sits close to Puerto Montt's yearly sunshine average, so it is a middle-of-the-pack month for bright days.
Brightest monthsJanuary to February and November to December
This stretch has the strongest sunshine in the monthly averages.
Sea temperature
September11°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 and December
Sea temperatures are usually near 16°C in this stretch, so swimming comfort is at its strongest.
Weather score
September25 weather score
September scores below Puerto Montt'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.
