Astano Weather in September

Astano in September sees pleasant daytime temperatures of 21°C (70°F) and nighttime lows of 13°C (55°F). As part of the rainy season, showers are frequent and often heavy. Budget around 203 mm (8 in) of rainfall for the month.

Rainfall in Astano in September

As part of the rainy season, Astano sees around 12 days of rain in September, with an average of 203 mm (8 in). With high rainfall totals spread across the month, individual showers can be very heavy. Waterproof gear is strongly recommended.

Temperature in Astano in September

If you're visiting Astano in September, expect highs of 21°C (70°F) and overnight lows around 13°C (55°F). This creates a mild day-to-night pattern that is generally easy to manage with the right clothing. At 13°C (55°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 Astano in September

The days are predominantly sunny, with an estimated total of around 199 hours of sunshine. Rain is often only seen in the afternoon or evening, leaving clear skies for most of the day. This results in rainy months that still feel bright and are suitable for travel.

Wind Speed in Astano 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 your ideal day consists of dry skies and pleasant temperatures, May, July and August typically offer the best circumstances for Astano.

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• January
• February
• March
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• May
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• September
• October
• November
• December

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

Astano Temperature in September

Min Temperature 13°C (55°F)  

Max Temperature 21°C (70°F)  

Chance of Rain 40%  

Precipitation 203 mm (8 in)  

Rainy days 12 days  

Humidity 72% *  

Windspeed 1 m/s (2 knots) *  

Sunshine 199 hours *  

Percentage Sunshine 56% *  

* Data from: Lucarno, Switzerland (17 KM, 10 Miles).

What to Wear in Astano 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. Don't forget sun protection, sunglasses, sunscreen, and a hat. These are all good ideas with this much sunshine.

What To Do in Astano 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 Astano's climate page.

More climate data for Astano

Temperature Rainfall Sunshine Humidity Wind Speed

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