September weather forecastArdesio, Italy
September
Weather in September
The first month of the autumn, September, is still a pleasant month in Ardesio, Italy, with an average temperature varying between 12.2°C (54°F) and 21.5°C (70.7°F).Temperature
The arrival of September is marked by a minor reduction in average high-temperature, sliding from a warm 26.3°C (79.3°F) in August to a pleasant 21.5°C (70.7°F). Throughout September, Ardesio anticipates an average low-temperature of 12.2°C (54°F).Humidity
The average relative humidity in September is 76%.Rainfall
In Ardesio, in September, it is raining for 16.1 days, with typically 76mm (2.99") of accumulated precipitation. In Ardesio, during the entire year, the rain falls for 190.3 days and collects up to 984mm (38.74") of precipitation.Snowfall
In Ardesio, snow does not fall in April through October.Daylight
The average length of the day in September in Ardesio is 12h and 32min.On the first day of the month, sunrise is at 06:41 and sunset at 19:58. On the last day of September, in Ardesio, Italy, sunrise is at 07:18 and sunset at 19:02 CEST.
Sunshine
The average sunshine in September is 9.8h.UV index
In September, the average daily maximum UV index is 4. A UV Index value of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV radiation for the ordinary person.Note: In September, a regular UV index of 4 translates into these guidelines:
Take necessary precautions - Defending against sun damage is advocated. Being exposed to the midday Sun can have harmful effects due to strong UV radiation; always take precautions. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Ardesio, Italy
- Average high temperature in September: 21.5°C
The warmest month (with the highest average high temperature) is August (26.3°C).
The month with the lowest average high temperature is January (5.1°C).
- Average low temperature in September: 12.2°C
The month with the highest average low temperature is August (15.7°C).
The coldest month (with the lowest average low temperature) is January (-0.6°C).
Average pressure in September
Ardesio, Italy
- Average pressure in September: 1017.1mbar
The month with the highest atmospheric pressure is December (1020mbar).
The month with the lowest atmospheric pressure is May (1014.7mbar).
Average wind speed in September
Ardesio, Italy
- Average wind speed in September: 5.6km/h
The windiest months (with the highest average wind speed) are March and April (6.6km/h).
The calmest month (with the lowest average wind speed) is November (5.4km/h).
Average humidity in September
Ardesio, Italy
- Average humidity in September: 76%
The month with the highest relative humidity is November (81%).
The months with the lowest relative humidity are July and August (73%).
Average rainfall in September
Ardesio, Italy
- Average rainfall in September: 76mm
The wettest month (with the highest rainfall) is August (135mm).
The driest month (with the least rainfall) is January (26mm).
Average rainfall days in September
Ardesio, Italy
- Average rainfall days in September: 16.1 days
The month with the highest number of rainy days is July (23.3 days).
The month with the least rainy days is January (8.1 days).
Average snowfall in September
Ardesio, Italy
- Average snowfall in September: 0mm
The month with the highest snowfall is December (28mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in September
Ardesio, Italy
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (1.7 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight in September /
Average sunshine in September
Ardesio, Italy
- Average daylight in September: 12h and 30min
The month with the longest days is June (Average daylight: 15h and 42min).
The month with the shortest days is December (Average daylight: 8h and 42min).
- Average sunshine in September: 9h and 48min
The months with the most sunshine are June and July (Average sunshine: 11h and 18min).
The month with the least sunshine is November (Average sunshine: 5h and 24min).
Average sunshine days in September
Ardesio, Italy
- Average sunshine days in September: 9.7 days
The month with the most sunshine days is December (20.7 days).
The month with the least sunshine days is June (2.9 days).
Average UV index in September
Ardesio, Italy
- Average UV index in September: 4
The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in September
Ardesio, Italy
- Average cloud cover in September: 27
The month with the most cloud cover is November (Cloud cover 41).
The month with the least cloud cover is July (Cloud cover 23).
Average visibility in September
Ardesio, Italy
- Average visibility in September: 9km
The month with the highest visibility is June (10km).
The months with the lowest visibility are January, February, March, April, May, July, August, September, October, November and December (9km).
