Merlischachen Weather in September

Merlischachen in September sees pleasant temperatures, with highs around 18°C (64°F) and overnight lows of 10°C (50°F). Rainfall is fairly high at around 166 mm (6.5 in) on average, so pack waterproofs just in case.

Rainfall in Merlischachen in September

Rain is expected on roughly 13 days, totalling around 166 mm (6.5 in) for the month. Rainfall intensity is on the higher side this month. Expect more substantial showers rather than light, passing rain.

Temperature in Merlischachen in September

Temperatures in Merlischachen in September top out at 18°C (64°F) and drop to 10°C (50°F) overnight. A light jacket or extra layer can be useful, especially outside the warmest hours of the day. Nights fall to 10°C (50°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 Merlischachen in September

The month experiences a moderate amount of sunlight, with 138 hours of sunshine. This provides a nice balance between sunshine and clouds.

So this is a great month to visit if you prefer dry days with pleasant temperatures.

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

Merlischachen Temperature in September

Min Temperature 10°C (50°F)  

Max Temperature 18°C (64°F)  

Chance of Rain 44%  

Precipitation 166 mm (6.5 in)  

Rainy days 13 days  

Humidity 78% *  

Sunshine 138 hours *  

Percentage Sunshine 52% *  

* Data from: Altdorf, Switzerland (27 KM, 17 Miles).

What to Wear in Merlischachen in September

For Merlischachen 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. Also bring a poncho, it will rain a lot! Waterproof everything you can. It won't hurt to bring your sunglasses along, as you'll see some sunny periods.

What To Do in Merlischachen 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 Merlischachen's climate page.

More climate data for Merlischachen

Temperature Rainfall Sunshine Humidity

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