Cool
Average highs are around 18°C, so pack for cooler days.
September verdict
Colonia Del Sacramento, Uruguay in September
Weather score40Mixed
Mixed for holiday weather
Average highs are around 18°C, so pack for cooler days. Sunshine averages 6.3h per day, enough for a balanced month. Rainfall averages 74mm, which is relatively low for holiday planning.
September weather
Monthly averages
Temp
18°C
Rain
74mm
Sun
6.3h
Sea
15°C
Weather score
40
Mixed
Seasonal climate calendar
TemperatureTemp
RainRain
SunSun
SwimSwim
Weather scoreWeather score
Trip feel
Drier
Rainfall averages 74mm, 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 15°C, so the water can feel cool.
Map
Weather map
Compare Colonia Del Sacramento, Uruguay with nearby places by weather score, rain, sun, temperature, and swim conditions.
Temperature
September18°C average high
September is on the cooler side of Colonia Del Sacramento'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.
Rain
September74mm average rain
September sits on the drier side of Colonia Del Sacramento's year, which helps with sightseeing and transfers.
Driest monthsJanuary, April 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 Colonia Del Sacramento'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
September15°C average sea
September is below Colonia Del Sacramento's 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
September40 weather score
September scores below Colonia Del Sacramento'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.
