Courmayeur Weather in September

September in Courmayeur sees daytime temperatures around 13°C (55°F) and lows of 3°C (37°F) at night. As the driest month of the year.

Rainfall in Courmayeur in September

Expect fewer clouds and less rain as the month goes on. This makes it an ideal time for outdoor activities, even though the temperatures are on the cooler side. You can expect rain on roughly 15 days based on historical data, averaging 102 mm (4 in) for the month. When it rains this month, it tends to come down fairly heavily. Showers can be substantial even if they don't last all day.

Temperature in Courmayeur in September

Daytime temperatures in Courmayeur reach 13°C (55°F) in September, dropping to 3°C (37°F) at night. This creates a mild day-to-night pattern that is generally easy to manage with the right clothing. At 3°C (37°F) overnight, it gets properly cold after dark. On the bright side, cold nights tend to make for excellent sleeping conditions.

Sunshine in Courmayeur in September

The month enjoys around 190 hours of sunshine, creating mostly sunny days despite the cool temperatures.

September in Courmayeur has its charm. However, if you're seeking pleasant, dry and sunny weather, our weather planner can help you explore other destinations in the world.