Rossinière Weather in September

September in Rossinière sees daytime temperatures around 17°C (63°F) and lows of 7°C (45°F) at night. With around 140 mm (5.5 in) of rainfall expected, it's worth packing a rain jacket.

Rainfall in Rossinière in September

You can expect rain on around 14 days based on historical patterns, with 140 mm (5.5 in) average for the month. Individual showers can be quite heavy this month. A proper umbrella or rain jacket is worth having.

Temperature in Rossinière in September

Expect highs of 17°C (63°F) in Rossinière in September, with nights dropping to around 7°C (45°F). Conditions are often most pleasant around the middle of the day. With overnight lows of 7°C (45°F), nights are cold. The cold air does make for deep, comfortable sleep if you have enough blankets.

Sunshine in Rossinière in September

Expect sunny days throughout the month, with an estimated 210 hours of sunshine. This makes it a pleasant time to visit Rossinière.

If you prefer dry days with pleasant temperatures, August typically offers the best circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.

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 Rossinière's climate page.

Rossinière Temperature in September

Min Temperature 7°C (45°F)  

Max Temperature 17°C (63°F)  

Chance of Rain 46%  

Precipitation 140 mm (5.5 in)  

Rainy days 14 days  

Humidity 71% *  

Sunshine 210 hours *  

Percentage Sunshine 65% *  

* Data from: Sion, Switzerland (33 KM, 20 Miles).

What to Wear in Rossinière in September

For Rossinière in September, you'll want flexible clothing. It's wise to pack cotton shirts, comfortable shorts, and a pair of jeans for cooler evenings. A light sweater or jacket is useful for air-conditioned spaces (like buses) or unexpected cool moments. High rain levels are expected, so pack waterproof gear and an umbrella or poncho. Don't forget sun protection, sunglasses, sunscreen, and a hat. These are all good ideas with this much sunshine.

What To Do in Rossinière in September

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

Cycling

5/10

Walking

5/10

Camping

3/10

Outdoor sports

9/10

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 Rossinière's climate page.

More climate data for Rossinière

Temperature Rainfall Sunshine Humidity

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