Mendrisio Weather in September

September in Mendrisio brings high temperatures, with highs of 22°C (72°F) and nights dropping to 14°C (57°F). The rainy season is in full swing this month, so frequent downpours are part of the picture.

Rainfall in Mendrisio in September

Mendrisio is in the rainy season in September, with rain on around 11 days and an average of 174 mm (6.9 in). Rain during the rainy season here tends to be intense rather than just persistent drizzle. Expect significant downpours.

Temperature in Mendrisio in September

If you're visiting Mendrisio in September, expect highs of 22°C (72°F) and overnight lows around 14°C (57°F). 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 Mendrisio in September

You can expect a moderate amount of sunlight, with approximately 189 hours. Even though this month is part of the wet season, you can still see the sun occasionally.

Our weather planner can help you find worldwide destinations with pleasant weather during this period. May, June, July, August and September typically offer the best weather for Mendrisio.

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• January
• February
• March
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• May
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• October
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For a detailed overview over the year and the best time to visit Switzerland, check out our Mendrisio's climate page.

Mendrisio Temperature in September

Min Temperature 14°C (57°F)  

Max Temperature 22°C (72°F)  

Chance of Rain 38%  

Precipitation 174 mm (6.9 in)  

Rainy days 11 days  

Humidity 74% *  

Sunshine 189 hours *  

Percentage Sunshine *  

* Data from: Como, Italy (10 KM, 6 Miles).

What to Wear in Mendrisio 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. It's going to pour! Pack a good poncho and prepare for very wet conditions. Sunglasses could come in handy during the sunnier parts of your trip.

What To Do in Mendrisio 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 Mendrisio's climate page.

More climate data for Mendrisio

Temperature Rainfall Sunshine Humidity

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