Switzerland weather
Our guide to the weather in Switzerland during September
Switzerland offers stunning alpine scenery and the opportunity to experience a unique culture and cuisine - perfect for a memorable holiday. September is a great time to visit, with mild temperatures and plenty of outdoor activities. We've looked at the most up-to-date weather data for Switzerland, covering the last 12 years up to 2024, plus we've asked our team of travel bloggers for their first-hand experiences in order to answer the most frequently asked questions about Switzerland weather in September.
What's the temperature like in Switzerland during September?
The temperature reaches around 19℃ during the daytime in September, falling away to 9℃ at night. The UV index will be moderate at this time of year, so not something to worry about for the average person. However, if you're going to be outside for long periods it's worth wearing a broad spectrum SPF 30+ sunscreen and UV-blocking sunglasses. Remember that bright surfaces, such as water and sand increase UV exposure.
Does it rain in Switzerland during September?
September is typically the driest month in Switzerland. On average, there will be 5 rainy days during the month, amounting to 92.8mm in total. That's a significant amount of rain. For comparison, the wettest months in the UK typically sees between 80mm and 100mm, depending on where you are. There's a small chance that you'll catch a thunderstorm during your trip.
Is it windy in Switzerland during September?
No - there is very light air movement in September so conditions should be calm with light breezes at times.
Weather in Switzerland
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