Cool
Average highs are around 10°C, so pack for cooler days.
September verdict
Courmayeur, Italy in September
Weather score27Poor
Poor for holiday weather
Average highs are around 10°C, so pack for cooler days. Sunshine averages 5.8h per day, enough for a balanced month. Rainfall averages 120mm, so some wet days are possible.
September weather
Monthly averages
Temp
10°C
Rain
120mm
Sun
5.8h
Weather score
27
Poor
Seasonal climate calendar
TemperatureTemp
RainRain
SunSun
Weather scoreWeather score
Trip feel
Showers
Rainfall averages 120mm, so some wet days are possible.
Some sun
Sunshine averages 5.8h per day, enough for a balanced month.
Map
Weather map
Compare Courmayeur, Italy with nearby places by weather score, rain, sun, temperature, and swim conditions.
Temperature
September10°C average high
September sits in the warmer part of the year, so midday sightseeing can feel heavier than in cooler months.
Warmest monthsJune to September
This stretch sets the upper range for average daytime heat.
Rain
September120mm average rain
September sits near Courmayeur's yearly rainfall average, so rain is a normal planning factor rather than an outlier.
Driest monthsJanuary to May, July, and September to December
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
Sun
September5.8 hours average sun
September sits close to Courmayeur's yearly sunshine average, so it is a middle-of-the-pack month for bright days.
Brightest monthsJune to August
This stretch has the strongest sunshine in the monthly averages.
Weather score
September27 weather score
September sits close to Courmayeur's yearly weather-score average, giving a typical overall read on the month.
Best weather monthsFebruary to April and June to October
These months have the strongest weather score in the monthly averages.
