Brontallo Weather in September

September in Brontallo averages 15°C (59°F) during the day and 5°C (41°F) at night. September is part of the rainy season, with around 192 mm (7.6 in) of rainfall and frequent showers.

Rainfall in Brontallo in September

Brontallo is in the rainy season in September, with rain on around 14 days and an average of 192 mm (7.6 in). Rain during the rainy season is significant rather than just light drizzle. Expect proper showers on most rainy days.

Temperature in Brontallo in September

If you're visiting Brontallo in September, expect highs of 15°C (59°F) and overnight lows around 5°C (41°F). This creates a mild day-to-night pattern that is generally easy to manage with the right clothing. Nights fall to 5°C (41°F), which is cold enough to feel it indoors too. A good thick duvet makes all the difference for a comfortable night's sleep.

Sunshine in Brontallo in September

The city usually sees around 199 hours of sunlight, indicating many sunny days despite it being the rainy season.

Wind Speed in Brontallo in September

September has wind speeds averaging 1 m/s (2 knots). You can expect very gentle conditions with light air movement on typical days. Since this is an average, daily weather varies from perfectly still moments to some breezier days.

If you prefer dry days with pleasant temperatures, September may not be the ideal month to visit Brontallo. Our weather planner can help you explore destinations with more pleasant weather conditions.

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 Brontallo's climate page.

Brontallo Temperature in September

Min Temperature 5°C (41°F)  

Max Temperature 15°C (59°F)  

Chance of Rain 47%  

Precipitation 192 mm (7.6 in)  

Rainy days 14 days  

Humidity 72% *  

Windspeed 1 m/s (2 knots) *  

Sunshine 199 hours *  

Percentage Sunshine 56% *  

* Data from: Lucarno, Switzerland (24 KM, 15 Miles).

What to Wear in Brontallo in September

The weather can swing between comfortable and chilly in September, so flexibility is key. Pack a variety of tops, at least one warm layer, and both shorts and long pants. This gives you options no matter what the day brings. It's going to pour! Pack a good poncho and prepare for very wet conditions. Don't forget sun protection, sunglasses, sunscreen, and a hat. These are all good ideas with this much sunshine.

What To Do in Brontallo in September

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

Swimming

5/10

Cycling

5/10

Walking

5/10

Camping

3/10

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 Brontallo's climate page.

More climate data for Brontallo

Temperature Rainfall Sunshine Humidity Wind Speed

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