Chiasso Weather in September

September in Chiasso brings high temperatures, with daytime highs of 22°C (72°F) and nights around 14°C (57°F). It's part of the rainy season, with 171 mm (6.7 in) of rainfall on average, so an umbrella or poncho is a good idea.

Rainfall in Chiasso in September

Chiasso is in the rainy season in September, with rain on around 11 days and an average of 171 mm (6.7 in). Rainy season showers here are typically intense, often clearing quickly but coming down hard while they last.

Temperature in Chiasso in September

September in Chiasso sees highs of 22°C (72°F) and lows of 14°C (57°F) overnight. Overall, the month follows a fairly predictable daily temperature pattern. Nights drop to around 14°C (57°F), which is noticeably cooler than the daytime. A light jacket for the evening is a sensible addition, and the cool nights tend to make sleeping comfortable.

Sunshine in Chiasso in September

The month brings about 189 hours of sunlight, offering a comfortable mix of sun and rainy moments.

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

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• 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 Chiasso's climate page.

Chiasso Temperature in September

Min Temperature 14°C (57°F)  

Max Temperature 22°C (72°F)  

Chance of Rain 37%  

Precipitation 171 mm (6.7 in)  

Rainy days 11 days  

Humidity 74% *  

Sunshine 189 hours *  

Percentage Sunshine *  

* Data from: Como, Italy (5 KM, 3 Miles).

What to Wear in Chiasso in September

For Chiasso 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. Also bring a poncho, it will rain a lot! Waterproof everything you can. It won't hurt to bring your sunglasses along, as you'll see some sunny periods.

What To Do in Chiasso in September

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

Swimming

6/10

Camping

6/10

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 Chiasso's climate page.

More climate data for Chiasso

Temperature Rainfall Sunshine Humidity

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