September weather forecastSilea, Italy
September
Weather in September
The first month of the autumn, September, is still a warm month in Silea, Italy, with an average temperature varying between 15.5°C (59.9°F) and 23°C (73.4°F).Temperature
The arrival of September is marked by a minor reduction in average high-temperature, sliding from 27.5°C (81.5°F) in August to a still warm 23°C (73.4°F). Throughout September, Silea registers a consistent average low-temperature of 15.5°C (59.9°F).Humidity
The average relative humidity in September is 72%.Rainfall
In Silea, during September, the rain falls for 15.7 days and regularly aggregates up to 52mm (2.05") of precipitation. Throughout the year, there are 171.4 rainfall days, and 706mm (27.8") of precipitation is accumulated.Snowfall
April through November are months without snowfall.Daylight
In September, the average length of the day is 12h and 32min.On the first day of September, sunrise is at 06:32 and sunset at 19:48. On the last day of the month, sunrise is at 07:08 and sunset at 18:52 CEST.
Sunshine
In Silea, the average sunshine in September is 10.2h.UV index
In September, the average daily maximum UV index is 5. A UV Index value of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV radiation for the ordinary person.Note: A maximum UV index of 5 in September translates into the following recommendations:
Act with care - The suggestion to avoid sunburn is emphasized. Sun's radiation is most powerful around mid-day, so it's best to limit outdoor activities during this time. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Silea, Italy
- Average high temperature in September: 23°C
The warmest month (with the highest average high temperature) is August (27.5°C).
The month with the lowest average high temperature is January (6.3°C).
- Average low temperature in September: 15.5°C
The month with the highest average low temperature is August (18.8°C).
The coldest month (with the lowest average low temperature) is January (1.9°C).
Average pressure in September
Silea, Italy
- Average pressure in September: 1016.9mbar
The month with the highest atmospheric pressure is December (1019.7mbar).
The month with the lowest atmospheric pressure is May (1014.6mbar).
Average wind speed in September
Silea, Italy
- Average wind speed in September: 8km/h
The windiest month (with the highest average wind speed) is February (8.9km/h).
The calmest month (with the lowest average wind speed) is December (6.8km/h).
Average humidity in September
Silea, Italy
- Average humidity in September: 72%
The month with the highest relative humidity is November (80%).
The month with the lowest relative humidity is August (70%).
Average rainfall in September
Silea, Italy
- Average rainfall in September: 52mm
The wettest month (with the highest rainfall) is June (95mm).
The driest month (with the least rainfall) is January (21mm).
Average rainfall days in September
Silea, Italy
- Average rainfall days in September: 15.7 days
The month with the highest number of rainy days is May (20.7 days).
The month with the least rainy days is December (7.4 days).
Average snowfall in September
Silea, Italy
- Average snowfall in September: 0mm
The month with the highest snowfall is February (9mm).
The months with the least snowfall are April, May, June, July, August, September, October and November (0mm).
Average snowfall days in September
Silea, Italy
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (1.3 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
Silea, Italy
- Average daylight in September: 12h and 30min
The month with the longest days is June (Average daylight: 15h and 36min).
The month with the shortest days is December (Average daylight: 8h and 48min).
- Average sunshine in September: 10h and 12min
The month with the most sunshine is July (Average sunshine: 11h and 36min).
The months with the least sunshine are February and November (Average sunshine: 5h and 30min).
Average sunshine days in September
Silea, Italy
- Average sunshine days in September: 11.6 days
The month with the most sunshine days is December (21.3 days).
The month with the least sunshine days is June (5.5 days).
Average UV index in September
Silea, 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, November and December (UV index 2).
Average cloud cover in September
Silea, Italy
- Average cloud cover in September: 27
The month with the most cloud cover is February (Cloud cover 43).
The month with the least cloud cover is August (Cloud cover 20).
Average visibility in September
Silea, Italy
- Average visibility in September: 10km
The months with the highest visibility are January, February, April, May, June, July, August, September, October and December (10km).
The months with the lowest visibility are March and November (9km).
