Wattenwil Weather in September

Thinking of visiting Wattenwil in September? Expect moderate temperatures reaching 18°C (64°F) during the day, dropping to 8°C (46°F) at night, and note that quite a bit of rainfall is likely.

Rainfall in Wattenwil in September

This month experiences about 13 days of rain according to historical data, averaging 143 mm (5.6 in). When showers do arrive, they tend to be on the heavier side. Worth being prepared even if rain days are not that numerous.

Temperature in Wattenwil in September

In September, expect moderate temperatures in Wattenwil, with highs of 18°C (64°F) and lows of 8°C (46°F) at night. The difference between afternoon and evening temperatures is usually noticeable. Nights fall to 8°C (46°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 Wattenwil in September

The month experiences a moderate amount of sunlight, with 176 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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• January
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For a detailed overview over the year and the best time to visit Switzerland, check out our Wattenwil's climate page.

Wattenwil Temperature in September

Min Temperature 8°C (46°F)  

Max Temperature 18°C (64°F)  

Chance of Rain 44%  

Precipitation 143 mm (5.6 in)  

Rainy days 13 days  

Humidity 79% *  

Sunshine 176 hours *  

Percentage Sunshine 49% *  

* Data from: Bern, Switzerland (20 KM, 12 Miles).

What to Wear in Wattenwil in September

For Wattenwil 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. It won't hurt to bring your sunglasses along, as you'll see some sunny periods.

What To Do in Wattenwil 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

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 Wattenwil's climate page.

More climate data for Wattenwil

Temperature Rainfall Sunshine Humidity

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