Cool
Average highs are around 16°C, so pack for cooler days.
September verdict
Poor for holiday weather
Average highs are around 16°C, so pack for cooler days. Sunshine averages 6.2h per day, enough for a balanced month. Rainfall averages 78mm, which is relatively low for holiday planning.
Monthly averages
Temp
16°C
Rain
78mm
Sun
6.2h
Sea
12°C
Weather score
32
Poor
Cool
Average highs are around 16°C, so pack for cooler days.
Drier
Rainfall averages 78mm, which is relatively low for holiday planning.
Some sun
Sunshine averages 6.2h per day, enough for a balanced month.
Cool sea
Sea temperatures average 12°C, so the water can feel cool.
Map
Compare Chillán, Chile with nearby places by weather score, rain, sun, temperature, and swim conditions.
September16°C average high
September is on the cooler side of Chillán'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.
September78mm average rain
September sits near Chillán's yearly rainfall average, so rain is a normal planning factor rather than an outlier.
Driest monthsJanuary to April and October to December
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
September6.2 hours average sun
September is below Chillán'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.
September12°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 and December
Sea temperatures are usually near 15°C in this stretch, so swimming comfort is at its strongest.
September32 weather score
September scores below Chillán'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.