Affoltern Weather in September

September in Affoltern brings pleasant temperatures, with daytime highs of 19°C (66°F) and nights around 10°C (50°F). Quite a bit of rainfall is expected, around 116 mm (4.6 in), so pack an umbrella.

Rainfall in Affoltern in September

Analyzing past climate data, one can expect approximately 13 days of rain, averaging 116 mm (4.6 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 Affoltern in September

September in Affoltern brings pleasant temperatures, with highs of 19°C (66°F) and nights around 10°C (50°F). Temperatures can feel cooler in the morning and evening, so layering is often the best approach. 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 Affoltern in September

The area enjoys a moderate level of sunlight, with around 176 hours. It's a good balance between sunny and cloudy days.

If your ideal day consists of dry skies and pleasant temperatures, June, July and August typically offer the best circumstances for Affoltern.

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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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• 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.

Affoltern Temperature in September

Min Temperature 10°C (50°F)  

Max Temperature 19°C (66°F)  

Chance of Rain 44%  

Precipitation 116 mm (4.6 in)  

Rainy days 13 days  

Humidity 79% *  

Sunshine 176 hours *  

Percentage Sunshine 49% *  

* Data from: Bern, Switzerland (25 KM, 15 Miles).

What to Wear in Affoltern 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 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

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 Affoltern's climate page.

More climate data for Affoltern

Temperature Rainfall Sunshine Humidity

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