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 5.7h per day, enough for a balanced month. Rainfall averages 27mm, which is relatively low for holiday planning.

Monthly averages
Temp
16°C
Rain
27mm
Sun
5.7h
Sea
13°C
Weather score
38
Poor
Cool
Average highs are around 16°C, so pack for cooler days.
Drier
Rainfall averages 27mm, which is relatively low for holiday planning.
Some sun
Sunshine averages 5.7h per day, enough for a balanced month.
Cool sea
Sea temperatures average 13°C, so the water can feel cool.
Map
Compare Vina del Mar, Chile with nearby places by weather score, rain, sun, temperature, and swim conditions.
September16°C average high
September is on the cooler side of Vina del Mar's year, useful if you prefer less intense daytime heat.
Warmest monthsJanuary to March and December
This stretch sets the upper range for average daytime heat.
September27mm average rain
September sits on the drier side of Vina del Mar's year, which helps with sightseeing and transfers.
Driest monthsJanuary to April and September to December
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
September5.7 hours average sun
September is below Vina del Mar'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.
September13°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 17°C in this stretch, so swimming comfort is at its strongest.
September38 weather score
September scores below Vina del Mar's 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.