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 brings a slight decrease in the average high-temperature, shifting from a moderate 15.3°C (59.5°F) in August to a fresh 10.7°C (51.3°F). Throughout the nights in September, Groscavallo experiences an average low-temperature of 2°C (35.6°F).Humidity
In Groscavallo, Italy, the average relative humidity in September is 81%.Rainfall
In Groscavallo, Italy, during September, the rain falls for 15.1 days and regularly aggregates up to 46mm (1.81") of precipitation. Throughout the year, in Groscavallo, Italy, there are 131.8 rainfall days, and 824mm (32.44") of precipitation is accumulated.Snowfall
January through June, September through December are months with snowfall in Groscavallo. September is the first month it typically snows. Throughout September, in the average 1.5 snowfall days, it receives 9mm (0.35") of snow. In Groscavallo, during the entire year, snow falls for 117.2 days and aggregates up to 2762mm (108.74") of snow.Daylight
In Groscavallo, Italy, the average length of the day in September is 12h and 32min.On the first day of the month, sunrise is at 06:53 and sunset at 20:08. On the last day of September, in Groscavallo, Italy, sunrise is at 07:28 and sunset at 19:13 CEST.
Sunshine
In September, the average sunshine in Groscavallo is 7.5h.UV index
The average daily maximum UV index in September is 2. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from unsafe exposure to UV radiation for ordinary individuals.Note: A maximum daily UV index of 2 during September morphs into the following directions:
Children must always have sun protection, unlike most people, who can tolerate up to an hour in the sun without any burns. Considering the Sun's intensity during midday, it's wise to minimize direct exposure. Equip yourself with UVA and UVB-filtering sunglasses on clear, sunny days. Take precaution! The reflection from snow can almost double the UV radiation of the Sun.
Frequently asked questions
What are September temperatures in Groscavallo?
What is the average humidity in September in Groscavallo?
How much does it rain in Groscavallo in September?
When does it start to snow in Groscavallo?
How many hours of daylight does Groscavallo have in September?
When are sunrise and sunset in September in Groscavallo?
How many hours of sunshine does Groscavallo have in September?
What is the UV index intensity in September in Groscavallo?
Average temperature in September
Groscavallo, Italy
- Average high temperature in September: 10.7°C
The warmest months (with the highest average high temperature) are July and August (15.3°C).
The month with the lowest average high temperature is January (-4°C).
- Average low temperature in September: 2°C
The month with the highest average low temperature is August (4.3°C).
The coldest month (with the lowest average low temperature) is January (-14.6°C).
Average pressure in September
Groscavallo, Italy
- Average pressure in September: 1017.7mbar
The month with the highest atmospheric pressure is December (1020.5mbar).
The month with the lowest atmospheric pressure is April (1014.8mbar).
Average wind speed in September
Groscavallo, Italy
- Average wind speed in September: 6.9km/h
The windiest month (with the highest average wind speed) is December (9.8km/h).
The calmest month (with the lowest average wind speed) is August (6.5km/h).
Average humidity in September
Groscavallo, Italy
- Average humidity in September: 81%
The month with the highest relative humidity is April (93%).
The months with the lowest relative humidity are July and August (77%).
Average rainfall in September
Groscavallo, Italy
- Average rainfall in September: 46mm
The wettest month (with the highest rainfall) is May (107mm).
The driest month (with the least rainfall) is January (33mm).
Average rainfall days in September
Groscavallo, Italy
- Average rainfall days in September: 15.1 days
The month with the highest number of rainy days is June (20.8 days).
The month with the least rainy days is January (1.4 days).
Average snowfall in September
Groscavallo, Italy
- Average snowfall in September: 9mm
The month with the highest snowfall is November (613mm).
The months with the least snowfall are July and August (0mm).
Average snowfall days in September
Groscavallo, Italy
- Average snowfall days in September: 1.5 days
The month with the highest number of snowfall days is March (19.4 days).
The month with the least snowfall days is July (0.1 days).
Average daylight in September /
Average sunshine in September
Groscavallo, Italy
- Average daylight in September: 12h and 3min
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: 7h and 3min
The month with the most sunshine is July (Average sunshine: 9h and 42min).
The month with the least sunshine is February (Average sunshine: 3h and 42min).
Average sunshine days in September
Groscavallo, Italy
- Average sunshine days in September: 11.8 days
The month with the most sunshine days is December (17.7 days).
The month with the least sunshine days is May (5.8 days).
Average UV index in September
Groscavallo, Italy
- Average UV index in September: 2
The month with the highest UV index is July (UV index 4).
The months with the lowest UV index are January, February, March, April, October, November and December (UV index 1).
Average cloud cover in September
Groscavallo, Italy
- Average cloud cover in September: 51
The months with the most cloud cover are April and May (Cloud cover 68).
The month with the least cloud cover is August (Cloud cover 41).
Average visibility in September
Groscavallo, Italy
- Average visibility in September: 7km
The months with the highest visibility are July and August (8km).
The months with the lowest visibility are February, March, April and May (5km).
Groscavallo, Italy
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