September weather forecastPostalesio, Italy
September
Weather in September
September, the first month of the autumn in Postalesio, is still a cool month, with an average temperature ranging between min 3.5°C (38.3°F) and max 12.2°C (54°F).Temperature
The arrival of September correlates with a minor temperature reduction, down from August's enjoyable 16.3°C (61.3°F) to a fresh 12.2°C (54°F). September brings Postalesio a consistent average low-temperature of 3.5°C (38.3°F).Humidity
In September, the average relative humidity in Postalesio is 84%.Rainfall
In Postalesio, during September, the rain falls for 16.6 days and regularly aggregates up to 77mm (3.03") of precipitation. Throughout the year, in Postalesio, Italy, there are 141.8 rainfall days, and 1016mm (40") of precipitation is accumulated.Snowfall
January through December are months with snowfall. In Postalesio, in September, snow falls for 1.6 days, with typically accumulated 105mm (4.13") of snow. Throughout the year, there are 98.9 snowfall days, and 3454mm (135.98") of snow is accumulated.Daylight
In September, the average length of the day in Postalesio is 12h and 32min.On the first day of September in Postalesio, sunrise is at 06:42 and sunset at 19:59. On the last day of the month, sunrise is at 07:18 and sunset at 19:02 CEST.
Sunshine
In Postalesio, the average sunshine in September is 8.5h.UV index
In Postalesio, the average daily maximum UV index in September is 3. A UV Index estimate of 3 to 5 represents a medium health hazard from exposure to the Sun's UV rays for average individuals.Note: The UV index of 3 during September translates into the following guidance:
Ensure safety - Imperative it is to shield skin and eyes from damage. Considering the Sun's intensity during midday, it's wise to minimize direct exposure. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation. Warning! The reflection from snow can nearly magnify the Sun's UV radiation twofold.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Postalesio, Italy
- Average high temperature in September: 12.2°C
The warmest month (with the highest average high temperature) is July (16.6°C).
The month with the lowest average high temperature is January (-2.8°C).
- Average low temperature in September: 3.5°C
The month with the highest average low temperature is August (6.7°C).
The coldest month (with the lowest average low temperature) is January (-10.8°C).
Average pressure in September
Postalesio, Italy
- Average pressure in September: 1017.8mbar
The month with the highest atmospheric pressure is December (1020.5mbar).
The month with the lowest atmospheric pressure is April (1015.2mbar).
Average wind speed in September
Postalesio, Italy
- Average wind speed in September: 6.8km/h
The windiest month (with the highest average wind speed) is December (8.8km/h).
The calmest month (with the lowest average wind speed) is August (6.6km/h).
Average humidity in September
Postalesio, Italy
- Average humidity in September: 84%
The months with the highest relative humidity are March and April (89%).
The month with the lowest relative humidity is July (81%).
Average rainfall in September
Postalesio, Italy
- Average rainfall in September: 77mm
The wettest month (with the highest rainfall) is August (149mm).
The driest month (with the least rainfall) is January (32mm).
Average rainfall days in September
Postalesio, Italy
- Average rainfall days in September: 16.6 days
The month with the highest number of rainy days is July (25.8 days).
The month with the least rainy days is December (2.4 days).
Average snowfall in September
Postalesio, Italy
- Average snowfall in September: 105mm
The month with the highest snowfall is November (902mm).
The month with the least snowfall is August (1mm).
Average snowfall days in September
Postalesio, Italy
- Average snowfall days in September: 1.6 days
The month with the highest number of snowfall days is March (16 days).
The month with the least snowfall days is August (0.1 days).
Average daylight in September /
Average sunshine in September
Postalesio, 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: 8h and 30min
The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is November (Average sunshine: 4h and 42min).
Average sunshine days in September
Postalesio, Italy
- Average sunshine days in September: 11.1 days
The month with the most sunshine days is January (18.1 days).
The month with the least sunshine days is July (3.2 days).
Average UV index in September
Postalesio, Italy
- Average UV index in September: 3
The months with the highest UV index are June and July (UV index 4).
The months with the lowest UV index are February, April and October (UV index 1).
Average cloud cover in September
Postalesio, Italy
- Average cloud cover in September: 45
The month with the most cloud cover is April (Cloud cover 53).
The month with the least cloud cover is July (Cloud cover 36).
Average visibility in September
Postalesio, Italy
- Average visibility in September: 7km
The months with the highest visibility are June, July, August and December (8km).
The months with the lowest visibility are April and November (6km).
