Lausanne in September
The weather in September
In September, Lausanne averages daytime highs of 21° and night-time lows of 13° — mild weather by day. Expect around 119 mm of precipitation spread over about 12 wet days, with average cloud cover near 37%.
Days are 4.5° cooler than in August on average, and October is cooler again by about 5.1°.
September scores 69/100 — good conditions for sightseeing — and ranks 1st of the twelve months for Lausanne.
Around the middle of the month the sun rises at 07:12 and sets at 19:48 local time, giving 12 h 36 min of daylight. Days shorten by 94 minutes over the month.
Why 69/100?
How the score for September is builtComfort peaks for daytime highs between 18° and 25°C (64–77°F).
Around Lausanne this month
Thonon-les-Bains
Switzerland's best in September
Lausanne in September: quick answers
Is September a good time to visit Lausanne?
September scores 69/100 for Lausanne, which we rate as good. Average highs are 21°C with 12 wet days.
How warm is Lausanne in September?
Daytime highs average 21°C and night-time lows 13°C in September.
Does it rain a lot in Lausanne in September?
Lausanne receives about 119 mm of precipitation in September, falling on around 12 days.