The weather in Zermatt in September is very cold with temperatures between 0°C and 11°C, warm clothes are a must.
You can expect rain for roughly half of the month of September in Zermatt. 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.
You can expect a few days of snow in Zermatt during September. It’s important to get out your snow boots and warm mittens to stay warm while you explore Zermatt.
Our weather forecast can give you a great sense of what weather to expect in Zermatt in September 2025.
If you’re planning to visit Zermatt in the near future, we highly recommend that you review the 14 day weather forecast for Zermatt before you arrive.
