Alpnach Weather in September

September in Alpnach brings moderate temperatures around 17°C (63°F) during the day, dropping to 9°C (48°F) at night, and as part of the rainy season, heavy rainfall is common.

Rainfall in Alpnach in September

Alpnach is in the rainy season in September, with rain on around 14 days and an average of 178 mm (7 in). The rainy season here brings regular, substantial showers. It's worth being prepared for rain on most days you're out.

Temperature in Alpnach in September

In September, Alpnach sees moderate temperatures, with highs of 17°C (63°F). Nights drop to around 9°C (48°F). Conditions are often most pleasant around the middle of the day. Nights fall to 9°C (48°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 Alpnach in September

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

If you're a fan of comfortable temperatures and drier conditions, September is a great time to visit.

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• January
• February
• March
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• May
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• August

• September
• October
• November
• December

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

Alpnach Temperature in September

Min Temperature 9°C (48°F)  

Max Temperature 17°C (63°F)  

Chance of Rain 46%  

Precipitation 178 mm (7 in)  

Rainy days 14 days  

Humidity 78% *  

Sunshine 138 hours *  

Percentage Sunshine 52% *  

* Data from: Altdorf, Switzerland (28 KM, 17 Miles).

What to Wear in Alpnach 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. It won't hurt to bring your sunglasses along, as you'll see some sunny periods.

What To Do in Alpnach in September

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

Swimming

6/10

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 Alpnach's climate page.

More climate data for Alpnach

Temperature Rainfall Sunshine Humidity

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