Contents
- Weather in September
- Frequently asked questions
- Average temperature in September
- Average pressure in September
- Average wind speed in September
- Average humidity in September
- Average rainfall in September
- Average rainfall days in September
- Average snowfall in September
- Average snowfall days in September
- Average daylight in September
- Average sunshine in September
- Average sunshine days in September
- Average UV index in September
- Average cloud cover in September
- Average visibility in September
Weather in September
Temperature
As September begins, there is a minor decrease in the average high-temperature, softly falling from an enjoyable 18.2°C (64.8°F) in August to a still refreshing 14.2°C (57.6°F). September brings an average low-temperature of 4.2°C (39.6°F) to Alleghe.Humidity
The average relative humidity in September is 83%.Rainfall
In Alleghe, Italy, during September, the rain falls for 15.5 days and regularly aggregates up to 43mm (1.69") of precipitation. Throughout the year, in Alleghe, Italy, there are 155.6 rainfall days, and 705mm (27.76") of precipitation is accumulated.Snowfall
January through June, September through December are months with snowfall in Alleghe. September is the first month it typically snows in Alleghe. Throughout September, in the average 1.3 snowfall days, it receives 26mm (1.02") of snow. In Alleghe, Italy, during the entire year, snow falls for 93.5 days and aggregates up to 1836mm (72.28") of snow.Daylight
In September, the average length of the day is 12h and 33min.On the first day of the month, sunrise is at 06:32 and sunset at 19:50. On the last day of September, sunrise is at 07:09 and sunset at 18:53 CEST.
Sunshine
The average sunshine in September is 9h.UV index
In Alleghe, the average daily maximum UV index in September is 3. A UV Index of 3 to 5 symbolizes a medium vulnerability from unsafe exposure to UV radiation for the average person.Note: In September, the maximum UV index of 3 transforms into these recommendations:
Be mindful. Those with pale skin might receive burns in fewer than 30 minutes. Direct Sun exposure should be minimized especially during midday when radiation is most intense. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage. Mind this! Nearly twice the UV radiation from the Sun can be reflected by the snow.
Frequently asked questions
What is the average September temperature in Alleghe?
What is the average humidity in September in Alleghe?
How many days does it rain in September in Alleghe?
When does it start to snow in Alleghe?
How many hours of daylight does Alleghe have in September?
When is the sunrise / sunset in September in Alleghe?
How many hours of sunshine does Alleghe have in September?
What is the UV index intensity in September in Alleghe?
Average temperature in September
Alleghe, Italy
- Average high temperature in September: 14.2°C
The warmest month (with the highest average high temperature) is July (18.4°C).
The month with the lowest average high temperature is January (-2.1°C).
- Average low temperature in September: 4.2°C
The month with the highest average low temperature is August (7.1°C).
The coldest month (with the lowest average low temperature) is January (-11.2°C).
Average pressure in September
Alleghe, Italy
- Average pressure in September: 1017.9mbar
The month with the highest atmospheric pressure is December (1020.3mbar).
The month with the lowest atmospheric pressure is May (1015.2mbar).
Average wind speed in September
Alleghe, Italy
- Average wind speed in September: 6.1km/h
The windiest month (with the highest average wind speed) is February (7.3km/h).
The calmest months (with the lowest average wind speed) are August and November (5.8km/h).
Average humidity in September
Alleghe, Italy
- Average humidity in September: 83%
The months with the highest relative humidity are February and March (91%).
The months with the lowest relative humidity are June and July (81%).
Average rainfall in September
Alleghe, Italy
- Average rainfall in September: 43mm
The wettest month (with the highest rainfall) is July (91mm).
The driest month (with the least rainfall) is December (21mm).
Average rainfall days in September
Alleghe, Italy
- Average rainfall days in September: 15.5 days
The month with the highest number of rainy days is July (23.1 days).
The month with the least rainy days is February (4.6 days).
Average snowfall in September
Alleghe, Italy
- Average snowfall in September: 26mm
The month with the highest snowfall is November (470mm).
The months with the least snowfall are July and August (0mm).
Average snowfall days in September
Alleghe, Italy
- Average snowfall days in September: 1.3 days
The month with the highest number of snowfall days is February (15.9 days).
The month with the least snowfall days is July (0 days).
Average daylight in September /
Average sunshine in September
Alleghe, Italy
- Average daylight in September: 12h and 3min
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 0min
The month with the most sunshine is July (Average sunshine: 10h and 42min).
The month with the least sunshine is November (Average sunshine: 4h and 36min).
Average sunshine days in September
Alleghe, Italy
- Average sunshine days in September: 10.9 days
The month with the most sunshine days is December (17.3 days).
The month with the least sunshine days is July (5.7 days).
Average UV index in September
Alleghe, Italy
- Average UV index in September: 3
The months with the highest UV index are June and July (UV index 4).
The month with the lowest UV index is February (UV index 1).
Average cloud cover in September
Alleghe, Italy
- Average cloud cover in September: 46
The months with the most cloud cover are April and November (Cloud cover 54).
The month with the least cloud cover is July (Cloud cover 38).
Average visibility in September
Alleghe, 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 March, April and November (6km).
Alleghe, Italy
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