Horw Weather in September

September in Horw sees daytime temperatures around 18°C (64°F) and lows of 10°C (50°F) at night. Being part of the rainy season, heavy rainfall is a regular part of the day, so pack accordingly.

Rainfall in Horw in September

As part of the rainy season, Horw sees around 14 days of rain in September, with an average of 174 mm (6.9 in). The rainy season here brings regular, substantial showers. It's worth being prepared for rain on most days you're out.

Temperature in Horw in September

Daytime temperatures in Horw reach 18°C (64°F) in September, dropping to 10°C (50°F) at night. The difference between afternoon and evening temperatures is usually noticeable. With lows around 10°C (50°F), nights are cold. The upside is that cool, crisp nights are often the best for a deep sleep.

Sunshine in Horw in September

The month brings about 138 hours of sunlight, offering a comfortable mix of sun and rainy moments.

If you favor pleasant temperatures and minimal rainfall, September is one of the best months to visit Horw.

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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 Horw's climate page.

Horw Temperature in September

Min Temperature 10°C (50°F)  

Max Temperature 18°C (64°F)  

Chance of Rain 45%  

Precipitation 174 mm (6.9 in)  

Rainy days 14 days  

Humidity 78% *  

Sunshine 138 hours *  

Percentage Sunshine 52% *  

* Data from: Altdorf, Switzerland (29 KM, 18 Miles).

What to Wear in Horw in September

Comfortable temperatures call for an easy wardrobe in September. Pack summer basics like t-shirts and shorts, but include a light jacket for cooler moments. A pair of comfortable walking shoes is essential. 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 Horw in September

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

Swimming

6/10

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 Horw's climate page.

More climate data for Horw

Temperature Rainfall Sunshine Humidity

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