September weather forecastAilano, Italy
September
Weather in September
The first month of the autumn, September, is also a moderately hot month in Ailano, Italy, with temperature in the range of an average high of 23.1°C (73.6°F) and an average low of 12.1°C (53.8°F).Temperature
Ailano's progression into September includes a drop in the average high-temperature, from 28.8°C (83.8°F) in August to a still moderately hot 23.1°C (73.6°F). Ailano experiences an average low-temperature of 12.1°C (53.8°F) in the month of September.Humidity
In Ailano, the average relative humidity in September is 72%.Rainfall
In Ailano, in September, during 13.8 rainfall days, 42mm (1.65") of precipitation is typically accumulated. In Ailano, Italy, during the entire year, the rain falls for 186.2 days and collects up to 769mm (30.28") of precipitation.Snowfall
May through October are months without snowfall in Ailano.Daylight
The average length of the day in September in Ailano is 12h and 28min.On the first day of September in Ailano, sunrise is at 06:29 and sunset at 19:36. On the last day of the month, sunrise is at 06:59 and sunset at 18:46 CEST.
Sunshine
The average sunshine in September is 10.6h.UV index
The average daily maximum UV index in September is 5. A UV Index reading of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV radiation for the ordinary person.Note: The maximum UV index, 5 during September, leads to the following recommendations:
Preventative actions are necessary - The mandate to avoid skin and eye damage is in place. The best time to avoid the Sun's harmful UV radiation is during midday when it's most potent. 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
Ailano, Italy
- Average high temperature in September: 23.1°C
The warmest month (with the highest average high temperature) is August (28.8°C).
The month with the lowest average high temperature is January (7.4°C).
- Average low temperature in September: 12.1°C
The month with the highest average low temperature is August (15.2°C).
The coldest month (with the lowest average low temperature) is January (0.3°C).
Average pressure in September
Ailano, Italy
- Average pressure in September: 1015.5mbar
The month with the highest atmospheric pressure is December (1018.4mbar).
The month with the lowest atmospheric pressure is July (1013.8mbar).
Average wind speed in September
Ailano, Italy
- Average wind speed in September: 7.3km/h
The windiest month (with the highest average wind speed) is February (10.2km/h).
The calmest month (with the lowest average wind speed) is August (6.2km/h).
Average humidity in September
Ailano, Italy
- Average humidity in September: 72%
The month with the highest relative humidity is January (85%).
The month with the lowest relative humidity is August (62%).
Average rainfall in September
Ailano, Italy
- Average rainfall in September: 42mm
The wettest month (with the highest rainfall) is November (103mm).
The driest month (with the least rainfall) is August (33mm).
Average rainfall days in September
Ailano, Italy
- Average rainfall days in September: 13.8 days
The month with the highest number of rainy days is May (19.7 days).
The month with the least rainy days is August (11.5 days).
Average snowfall in September
Ailano, Italy
- Average snowfall in September: 0mm
The month with the highest snowfall is February (68mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in September
Ailano, Italy
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (3.2 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in September /
Average sunshine in September
Ailano, Italy
- Average daylight in September: 12h and 30min
The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in September: 10h and 36min
The months with the most sunshine are July and August (Average sunshine: 11h and 48min).
The month with the least sunshine is January (Average sunshine: 5h and 18min).
Average sunshine days in September
Ailano, Italy
- Average sunshine days in September: 13.9 days
The month with the most sunshine days is August (16.8 days).
The month with the least sunshine days is February (8.3 days).
Average UV index in September
Ailano, Italy
- Average UV index in September: 5
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February and December (UV index 2).
Average cloud cover in September
Ailano, Italy
- Average cloud cover in September: 26
The month with the most cloud cover is January (Cloud cover 46).
The month with the least cloud cover is August (Cloud cover 14).
Average visibility in September
Ailano, Italy
- Average visibility in September: 9km
The months with the highest visibility are July and August (10km).
The months with the lowest visibility are January, February and November (8km).
