Brienz Weather in September

During September, Brienz experiences moderate daytime temperatures of 14°C (57°F) and cooler nights around 5°C (41°F). September sits within the rainy season, so expect regular and often heavy rainfall.

Rainfall in Brienz in September

Brienz is in the rainy season in September, with rain on around 15 days and an average of 181 mm (7.1 in). Rain during the rainy season is significant rather than just light drizzle. Expect proper showers on most rainy days.

Temperature in Brienz in September

In September, expect moderate temperatures in Brienz, with highs of 14°C (57°F) and lows of 5°C (41°F) at night. The difference between afternoon and evening temperatures is usually noticeable. Nights fall to 5°C (41°F), which is cold enough to feel it indoors too. A good thick duvet makes all the difference for a comfortable night's sleep.

Sunshine in Brienz in September

The area enjoys a balanced 149 hours of sunlight, ensuring it's neither too rainy nor too sunny.

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

Brienz Temperature in September

Min Temperature 5°C (41°F)  

Max Temperature 14°C (57°F)  

Chance of Rain 48%  

Precipitation 181 mm (7.1 in)  

Rainy days 15 days  

Humidity 80% *  

Sunshine 149 hours *  

Percentage Sunshine 52% *  

* Data from: Interlaken, Switzerland (14 KM, 9 Miles).

What to Wear in Brienz in September

Pack for changing conditions in Brienz in September. Bring a mix of short and long sleeves, a warm layer like a hoodie or light jacket, and comfortable pants. The key is being able to add or remove layers as the days goes by. Heavy rain is guaranteed, please bring a good poncho and waterproof everything! It won't hurt to bring your sunglasses along, as you'll see some sunny periods.

What To Do in Brienz 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

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 Brienz's climate page.

More climate data for Brienz

Temperature Rainfall Sunshine Humidity

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