Mount Ostenso (4082m) — September
Monthly conditions and weather data
Weather Quality
1
Temperature
-51–-41°C
Precipitation
156 mm
Crowd Level
1
Snow Likelihood
5/5
Daylight Hours
11.0h
Avg Temperature
-46°C
Summary
September on Mount Ostenso: frigid conditions (-51C to -41C), wet (156mm). Heavy snow likely.