Hallau Weather in September

Hallau in September sees pleasant temperatures, with highs around 20°C (68°F) and overnight lows of 10°C (50°F). Rainfall is fairly high at around 92 mm (3.6 in) on average, so pack waterproofs just in case.

Rainfall in Hallau in September

Expect around 13 days of rain based on historical data, with 92 mm (3.6 in) average. 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 Hallau in September

September tends to be one of the perfect months in Hallau, with 20°C (68°F) in the afternoon and 10°C (50°F) overnight. This creates a mild day-to-night pattern that is generally easy to manage with the right clothing. Nights drop to 10°C (50°F). Cold nights like these are actually great for sleeping well, as long as you have a warm enough duvet.

Sunshine in Hallau in September

The month experiences a moderate amount of sunlight, with 166 hours of sunshine. This provides a nice balance between sunshine and clouds.

If your ideal day consists of dry skies and pleasant temperatures, September typically offers the best circumstances for Hallau.

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

Hallau Temperature in September

Min Temperature 10°C (50°F)  

Max Temperature 20°C (68°F)  

Chance of Rain 44%  

Precipitation 92 mm (3.6 in)  

Rainy days 13 days  

Humidity 78% *  

Sunshine 166 hours *  

Percentage Sunshine 48% *  

* Data from: Zürich, Switzerland (35 KM, 22 Miles).

What to Wear in Hallau in September

Pleasant temperatures in September mean you can pack light but flexibel pieces. Think cotton t-shirts, comfortable walking shorts, and one warmer layer for evenings. A light sweater or denim jacket works well. Prepare for significant rainfall with proper waterproof clothing and shoes. Bring sunglasses since you'll have some sunny periods throughout the month

What To Do in Hallau in September

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

Swimming

6/10

Cycling

9/10

Walking

9/10

Camping

4/10

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 Hallau's climate page.

More climate data for Hallau

Temperature Rainfall Sunshine Humidity

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