Affoltern Weather in September

September in Affoltern typically sees daytime highs of 20°C (68°F) and nighttime lows of 11°C (52°F). Rainfall is also possible this month, so it's worth packing an umbrella.

Rainfall in Affoltern in September

Historically, approximately 13 days this month are expected to have rain, averaging 129 mm (5.1 in). Individual showers can be quite heavy this month. A proper umbrella or rain jacket is worth having.

Temperature in Affoltern in September

In September, Affoltern sees pleasant temperatures, with highs of 20°C (68°F). Nights drop to around 11°C (52°F). Temperatures can feel cooler in the morning and evening, so layering is often the best approach. At 11°C (52°F) overnight, it can feel quite a bit cooler after dark. Worth packing something warmer for evenings, but the cooler temperatures are ideal for sleeping.

Sunshine in Affoltern in September

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

Wind Speed in Affoltern in September

Average wind conditions reach 2 m/s (4 knots) in September. This creates comfortable weather with light winds that gently move vegetation. Keep in mind this is an average. Daily conditions range from near-calm to more noticeable wind.

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

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

Affoltern Temperature in September

Min Temperature 11°C (52°F)  

Max Temperature 20°C (68°F)  

Chance of Rain 43%  

Precipitation 129 mm (5.1 in)  

Rainy days 13 days  

Humidity 78% *  

Windspeed 2 m/s (4 knots) *  

Sunshine 166 hours *  

Percentage Sunshine 48% *  

* Data from: Zürich, Switzerland (14 KM, 8 Miles).

What to Wear in Affoltern 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. Expect heavy rainfall, so bring good rain protection and waterproof bags. Sunglasses could come in handy during the sunnier parts of your trip.

What To Do in Affoltern 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

6/10

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 Affoltern's climate page.

More climate data for Affoltern

Temperature Rainfall Sunshine Humidity Wind Speed

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