Innertkirchen Weather in September

September in Innertkirchen sees daytime temperatures around 13°C (55°F) and lows of 4°C (39°F) at night. Being part of the rainy season, heavy rainfall is a regular part of the day, so pack accordingly.

Rainfall in Innertkirchen in September

As part of the rainy season, Innertkirchen sees around 15 days of rain in September, with an average of 178 mm (7 in). Rainfall this month is frequent and tends to be fairly heavy when it does fall. Packing waterproofs is a good idea.

Temperature in Innertkirchen in September

September in Innertkirchen sees highs of 13°C (55°F) and lows of 4°C (39°F) overnight. Temperatures can feel cooler in the morning and evening, so layering is often the best approach. At 4°C (39°F) overnight, it gets properly cold after dark. On the bright side, cold nights tend to make for excellent sleeping conditions.

Sunshine in Innertkirchen in September

With about 149 hours of sunshine, the area enjoys a nice balance of sun and rainy moments, creating a pleasant environment.

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For a detailed overview over the year and the best time to visit Switzerland, check out our Innertkirchen's climate page.

Innertkirchen Temperature in September

Min Temperature 4°C (39°F)  

Max Temperature 13°C (55°F)  

Chance of Rain 49%  

Precipitation 178 mm (7 in)  

Rainy days 15 days  

Humidity 80% *  

Sunshine 149 hours *  

Percentage Sunshine 52% *  

* Data from: Interlaken, Switzerland (26 KM, 16 Miles).

What to Wear in Innertkirchen in September

The weather can swing between comfortable and chilly in September, so flexibility is key. Pack a variety of tops, at least one warm layer, and both shorts and long pants. This gives you options no matter what the day brings. It's going to pour! Pack a good poncho and prepare for very wet conditions. Sunglasses could come in handy during the sunnier parts of your trip.

What To Do in Innertkirchen in September

We rated the following activities from 1 (least suitable) to 10 (best) to do.

Swimming

5/10

Cycling

5/10

Walking

5/10

Camping

3/10

Outdoor sports

5/10

Select a Month

Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

For a detailed overview over the year and the best time to visit Switzerland, check out our Innertkirchen's climate page.

More climate data for Innertkirchen

Temperature Rainfall Sunshine Humidity

See the full Innertkirchen climate overview or explore weather in Switzerland.