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
September sees a slight reduction in average high-temperature, with a shift from a comfortable 19.3°C (66.7°F) in August to a moderate 15.3°C (59.5°F). In September, the average low-temperature is a wintry 5.4°C (41.7°F).Humidity
In September, the average relative humidity is 80%.Rainfall
In Passo del Tonale, in September, during 19.5 rainfall days, 70mm (2.76") of precipitation is typically accumulated. In Passo del Tonale, during the entire year, the rain falls for 184.2 days and collects up to 1038mm (40.87") of precipitation.Snowfall
Months with snowfall in Passo del Tonale are January through June, September through December. September is the first month it typically snows. Throughout September, in the average 0.5 snowfall days, it receives 5mm (0.2") of snow. In Passo del Tonale, during the entire year, snow falls for 83.4 days and aggregates up to 2375mm (93.5") of snow.Daylight
In September, the average length of the day is 12h and 32min.On the first day of September, sunrise is at 06:38 and sunset at 19:56. On the last day of the month, sunrise is at 07:15 and sunset at 18:59 CEST.
Sunshine
The average sunshine in September in Passo del Tonale, Italy, is 9.6h.UV index
In Passo del Tonale, 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 ordinary individuals.Note: A daily high UV index of 3 in September leads to these guidelines:
Make use of precautions - Suggestions to resist sunburn are communicated. The Sun's harshest UV rays are around midday; it's wise to seek shade and limit time outdoors. During bright days, sunglasses that offer UVA and UVB defense are recommended. Heads up! The UV radiation from the Sun can almost be doubled by snow reflection.
Frequently asked questions
What are September temperatures in Passo del Tonale?
What is the average humidity in September in Passo del Tonale?
How much does it rain in Passo del Tonale in September?
When does it start to snow in Passo del Tonale?
What is the average length of the day in September in Passo del Tonale?
When are sunrise and sunset in September in Passo del Tonale?
How long on average sun shines in September in Passo del Tonale?
How high is the UV index in September in Passo del Tonale?
Average temperature in September
Passo del Tonale, Italy
- Average high temperature in September: 15.3°C
The warmest month (with the highest average high temperature) is July (19.4°C).
The month with the lowest average high temperature is January (-0.3°C).
- Average low temperature in September: 5.4°C
The month with the highest average low temperature is August (8.5°C).
The coldest month (with the lowest average low temperature) is January (-7.8°C).
Average pressure in September
Passo del Tonale, Italy
- Average pressure in September: 1017.6mbar
The month with the highest atmospheric pressure is December (1020.3mbar).
The months with the lowest atmospheric pressure are April and May (1015.2mbar).
Average wind speed in September
Passo del Tonale, Italy
- Average wind speed in September: 6.2km/h
The windiest month (with the highest average wind speed) is February (7.8km/h).
The calmest month (with the lowest average wind speed) is August (6.1km/h).
Average humidity in September
Passo del Tonale, Italy
- Average humidity in September: 80%
The month with the highest relative humidity is November (83%).
The month with the lowest relative humidity is December (77%).
Average rainfall in September
Passo del Tonale, Italy
- Average rainfall in September: 70mm
The wettest month (with the highest rainfall) is July (142mm).
The driest month (with the least rainfall) is January (29mm).
Average rainfall days in September
Passo del Tonale, Italy
- Average rainfall days in September: 19.5 days
The month with the highest number of rainy days is July (25.4 days).
The month with the least rainy days is December (6.5 days).
Average snowfall in September
Passo del Tonale, Italy
- Average snowfall in September: 5mm
The month with the highest snowfall is November (631mm).
The months with the least snowfall are July and August (0mm).
Average snowfall days in September
Passo del Tonale, Italy
- Average snowfall days in September: 0.5 days
The month with the highest number of snowfall days is March (15.1 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in September /
Average sunshine in September
Passo del Tonale, 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 4min
The month with the most sunshine is July (Average sunshine: 11h and 0min).
The month with the least sunshine is November (Average sunshine: 5h and 36min).
Average sunshine days in September
Passo del Tonale, Italy
- Average sunshine days in September: 7.2 days
The month with the most sunshine days is December (18.2 days).
The month with the least sunshine days is July (1.8 days).
Average UV index in September
Passo del Tonale, 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 January, February, March, April, October, November and December (UV index 2).
Average cloud cover in September
Passo del Tonale, Italy
- Average cloud cover in September: 34
The month with the most cloud cover is November (Cloud cover 42).
The month with the least cloud cover is December (Cloud cover 29).
Average visibility in September
Passo del Tonale, Italy
- Average visibility in September: 8km
The months with the highest visibility are June, July and December (9km).
The month with the lowest visibility is November (7km).
Passo del Tonale, Italy
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