Isenthal Weather in September

In Isenthal, September brings moderate daytime temperatures around 16°C (61°F), with nights cooling to 7°C (45°F). This month falls within the rainy season, so expect frequent rainfall.

Rainfall in Isenthal in September

Isenthal 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 Isenthal in September

Daytime highs in Isenthal in September reach 16°C (61°F), with nights around 7°C (45°F). The difference between afternoon and evening temperatures is usually noticeable. Nights fall to 7°C (45°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 Isenthal in September

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

Wind Speed in Isenthal in September

September sees wind speeds averaging 2 m/s (4 knots). You'll typically experience pleasant light breezes that move leaves slightly and feel refreshing. As an average, expect variation from very calm days to periods with more apparent air movement.

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

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Check the conditions for any month of the year.

• January
• February
• March
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• May
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• September
• October
• November
• December

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

Isenthal Temperature in September

Min Temperature 7°C (45°F)  

Max Temperature 16°C (61°F)  

Chance of Rain 48%  

Precipitation 178 mm (7 in)  

Rainy days 14 days  

Humidity 78% *  

Windspeed 2 m/s (4 knots) *  

Sunshine 138 hours *  

Percentage Sunshine 52% *  

* Data from: Altdorf, Switzerland (7 KM, 4 Miles).

What to Wear in Isenthal in September

The weather can be unpredictable in September, so pack clothes you can easily mix and match. You could bring jeans, other long pants, and a few t-shirts. A light jacket or light sweater will be pleasant for the cooler moments. Also bring a poncho, it will rain a lot! Waterproof everything you can. Bring sunglasses since you'll have some sunny periods throughout the month

What To Do in Isenthal 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 Isenthal's climate page.

More climate data for Isenthal

Temperature Rainfall Sunshine Humidity Wind Speed

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