Switzerland weather

Our guide to the weather in Switzerland during September

19

Average high

3

UV Index

93mm

Monthly rainfall

81%

Humidity

Switzerland is an ideal destination for travelers looking for stunning mountain views and a variety of outdoor activities. September is a great time to visit, with mild temperatures and plenty of sunshine. 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.

Join the club...

Be the first to hear about discounted holidays, flash sales and amazing travel competitions to Switzerland!

Switzerland Blog posts

From the US most popular travel bloggers

...

10 things to do in Switzerland (that aren’t skiing)

14th June 2022 by The Blonde Abroad

It’s the destination for everything winter and skiing, but you’d be wrong to think that’s the only thing that Switzerland has to offer. Although its cold-weather ventures are up on many bucket lists (especially Interlaken in the winter), you can also discover some great options every other time of the year. This romantic country with its traditional food, picturesque landscapes, and friendly folks will leave you incredibly satisfied. So, what are the best things to do and the most...

Weather in Switzerland

Our month-by-month guide to the weather and climate in Switzerland

2.7

Switzerland weather in

January
3.9

Switzerland weather in

February
8.4

Switzerland weather in

March
13.3

Switzerland weather in

April
16.3

Switzerland weather in

May
20.8

Switzerland weather in

June
22.8

Switzerland weather in

July
22.8

Switzerland weather in

August
18.7

Switzerland weather in

September
14.3

Switzerland weather in

October
8.6

Switzerland weather in

November
4.1

Switzerland weather in

December