Arolla Weather in September

Thinking of visiting Arolla in September? Expect low temperatures reaching 11°C (52°F) during the day, dropping to 1°C (34°F) at night, and note that quite a bit of rainfall is likely.

Rainfall in Arolla in September

The climate data from previous years indicates about 15 days of rain, averaging 110 mm (4.3 in) for the month. This month brings frequent, heavy showers. Both the number of wet days and the rainfall totals are on the high side.

Temperature in Arolla in September

Temperatures in Arolla in September top out at 11°C (52°F) and drop to 1°C (34°F) overnight. Cold conditions persist throughout the day, so warm clothing is important from the moment you head outside. Nights fall to 1°C (34°F), which is cold enough to feel it indoors too. A good thick duvet makes all the difference for a comfortable night's sleep.

Sunshine in Arolla in September

You can expect a moderate amount of sunlight, with approximately 166 hours. This means a pleasant mix of sun and overcast.

September in Arolla has its charm, but if you're looking for destinations with pleasant temperatures and sunny skies, our weather planner can help you explore other options in the world.