Cool
Average highs are around 18°C, so pack for cooler days.
September verdict
Trelew, Argentina in September
Weather score39Poor
Poor for holiday weather
Average highs are around 18°C, so pack for cooler days. Sunshine averages 6.6h per day, enough for a balanced month. Rainfall averages 12mm, which is relatively low for holiday planning.
September weather
Monthly averages
Temp
18°C
Rain
12mm
Sun
6.6h
Sea
9°C
Weather score
39
Poor
Seasonal climate calendar
TemperatureTemp
RainRain
SunSun
SwimSwim
Weather scoreWeather score
Trip feel
Drier
Rainfall averages 12mm, which is relatively low for holiday planning.
Some sun
Sunshine averages 6.6h per day, enough for a balanced month.
Cool sea
Sea temperatures average 9°C, so the water can feel cool.
Map
Weather map
Compare Trelew, Argentina with nearby places by weather score, rain, sun, temperature, and swim conditions.
Temperature
September18°C average high
September is on the cooler side of Trelew's year, useful if you prefer less intense daytime heat.
Warmest monthsJanuary to March and November to December
This stretch sets the upper range for average daytime heat.
Rain
September12mm average rain
September is close to Trelew's usual rainfall pattern, with little seasonal change across the year.
Driest monthsAll year
Rainfall stays comparatively low through the year.
Sun
September6.6 hours average sun
September sits close to Trelew'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
September9°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.
Weather score
September39 weather score
September scores below Trelew'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.