September weather forecastSillano, Italy
September
Weather in September
The first month of the autumn, September, is still a pleasant month in Sillano, Italy, with an average temperature varying between 15.7°C (60.3°F) and 22.9°C (73.2°F).Temperature
The shift from August to September coincides with a small decrease in the average high-temperature, down to a pleasant 22.9°C (73.2°F) from a moderately hot 27°C (80.6°F). Sillano experiences a steady low-temperature of 15.7°C (60.3°F) throughout September.Humidity
In September, the average relative humidity in Sillano is 71%.Rainfall
In Sillano, in September, during 11.3 rainfall days, 40mm (1.57") of precipitation is typically accumulated. In Sillano, during the entire year, the rain falls for 162.8 days and collects up to 776mm (30.55") of precipitation.Snowfall
In Sillano, snow does not fall in April through November.Daylight
The average length of the day in September is 12h and 31min.On the first day of the month, sunrise is at 06:42 and sunset at 19:54. On the last day of September, in Sillano, Italy, sunrise is at 07:15 and sunset at 19:01 CEST.
Sunshine
In Sillano, the average sunshine in September is 10.3h.UV index
In Sillano, the average daily maximum UV index in September is 5. A UV Index value of 3 to 5 symbolizes a medium vulnerability from unsafe exposure to UV radiation for average individuals.Note: A daily high UV index of 5 in September leads to these guidelines:
Exercise caution. The susceptibility of light skin individuals to burns is less than 30 minutes. The intensity of the Sun's UV radiation during midday suggests reducing time spent outdoors. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Sillano, Italy
- Average high temperature in September: 22.9°C
The warmest month (with the highest average high temperature) is August (27°C).
The month with the lowest average high temperature is January (8.4°C).
- Average low temperature in September: 15.7°C
The month with the highest average low temperature is August (18.8°C).
The coldest month (with the lowest average low temperature) is February (4°C).
Average pressure in September
Sillano, Italy
- Average pressure in September: 1015.6mbar
The month with the highest atmospheric pressure is December (1018.5mbar).
The month with the lowest atmospheric pressure is July (1013.6mbar).
Average wind speed in September
Sillano, Italy
- Average wind speed in September: 7.7km/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 (7.1km/h).
Average humidity in September
Sillano, Italy
- Average humidity in September: 71%
The month with the highest relative humidity is November (79%).
The month with the lowest relative humidity is August (67%).
Average rainfall in September
Sillano, Italy
- Average rainfall in September: 40mm
The wettest month (with the highest rainfall) is November (133mm).
The driest month (with the least rainfall) is August (26mm).
Average rainfall days in September
Sillano, Italy
- Average rainfall days in September: 11.3 days
The month with the highest number of rainy days is May (18.4 days).
The month with the least rainy days is August (8.3 days).
Average snowfall in September
Sillano, Italy
- Average snowfall in September: 0mm
The month with the highest snowfall is February (24mm).
The months with the least snowfall are April, May, June, July, August, September, October and November (0mm).
Average snowfall days in September
Sillano, Italy
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (1.5 days).
The months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).
Average daylight in September /
Average sunshine in September
Sillano, Italy
- Average daylight in September: 12h and 30min
The month with the longest days is June (Average daylight: 15h and 30min).
The month with the shortest days is December (Average daylight: 8h and 54min).
- Average sunshine in September: 10h and 18min
The month with the most sunshine is July (Average sunshine: 11h and 48min).
The month with the least sunshine is January (Average sunshine: 5h and 36min).
Average sunshine days in September
Sillano, Italy
- Average sunshine days in September: 15 days
The month with the most sunshine days is August (18.8 days).
The month with the least sunshine days is May (7.9 days).
Average UV index in September
Sillano, Italy
- Average UV index in September: 5
The months with the highest UV index are June and July (UV index 6).
The month with the lowest UV index is January (UV index 2).
Average cloud cover in September
Sillano, Italy
- Average cloud cover in September: 21
The month with the most cloud cover is February (Cloud cover 42).
The month with the least cloud cover is August (Cloud cover 13).
Average visibility in September
Sillano, Italy
- Average visibility in September: 10km
The months with the highest visibility are April, May, June, July, August, September and October (10km).
The months with the lowest visibility are January, February, March, November and December (9km).
