The weather in Sarnen in October is very cold with temperatures between 0°C and 8°C, warm clothes are a must.
You can expect rain for roughly half of the month of October in Sarnen. We’re expecting roughly 8 to 15 days of rain, so your rubber boots and umbrella are going to see plenty of use this month if you’re keen on staying dry.
Please note that Sarnen can expect a few days of snow in October.
Our weather forecast can give you a great sense of what weather to expect in Sarnen in October 2025.
If you’re planning to visit Sarnen in the near future, we highly recommend that you review the 14 day weather forecast for Sarnen before you arrive.