Cool
Average highs are around 19°C, so pack for cooler days.
September verdict
Buenos Aires, Argentina in September
Weather score41Mixed
Mixed for holiday weather
Average highs are around 19°C, so pack for cooler days. Sunshine averages 6.3h per day, enough for a balanced month. Rainfall averages 69mm, which is relatively low for holiday planning.
September weather
Monthly averages
Temp
19°C
Rain
69mm
Sun
6.3h
Sea
16°C
Weather score
41
Mixed
Seasonal climate calendar
TemperatureTemp
RainRain
SunSun
SwimSwim
Weather scoreWeather score
Trip feel
Drier
Rainfall averages 69mm, which is relatively low for holiday planning.
Some sun
Sunshine averages 6.3h per day, enough for a balanced month.
Cool sea
Sea temperatures average 16°C, so the water can feel cool.
Map
Weather map
Compare Buenos Aires, Argentina with nearby places by weather score, rain, sun, temperature, and swim conditions.
Temperature
September19°C average high
September is on the cooler side of Buenos Aires' 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.
Rain
September69mm average rain
September sits on the drier side of Buenos Aires' year, which helps with sightseeing and transfers.
Driest monthsMay to September and December
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
Sun
September6.3 hours average sun
September sits close to Buenos Aires' 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
September16°C average sea
September is below Buenos Aires' yearly sea-temperature average, so swimming can feel fresher.
Warmest seaJanuary to March and December
Sea temperatures are usually near 26°C in this stretch, so swimming comfort is at its strongest.
Weather score
September41 weather score
September scores below Buenos Aires' 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.
Hotels in Buenos Aires, Argentina
Marriott
Park Tower, a Luxury Collection Hotel, Buenos AiresBuenos Aires, Argentina
Buenos Aires MarriottBuenos Aires, Argentina
Sheraton Buenos Aires Greenville Polo & ResortBuenos Aires, Argentina
Sheraton Buenos Aires Hotel & Convention CenterBuenos Aires, Argentina
Recoleta Grand, Buenos Aires, a Tribute Portfolio HotelBuenos Aires, Argentina