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
The arrival of September correlates with a minor temperature reduction, down from August's pleasant 22.4°C (72.3°F) to a refreshing 18.3°C (64.9°F). In the month of September, the average temperature dips to a cool 10.4°C (50.7°F) during the night.Humidity
In Collio, the average relative humidity in September is 80%.Rainfall
In September, in Collio, the rain falls for 20.6 days. Throughout September, 98mm (3.86") of precipitation is accumulated. Throughout the year, in Collio, there are 210.8 rainfall days, and 1353mm (53.27") of precipitation is accumulated.Snowfall
In Collio, Italy, snow does not fall in June through September.Daylight
In Collio, the average length of the day in September is 12h and 32min.On the first day of September in Collio, sunrise is at 06:40 and sunset at 19:56. On the last day of the month, sunrise is at 07:16 and sunset at 19:00 CEST.
Sunshine
In September, the average sunshine in Collio is 9.5h.UV index
The average daily maximum UV index in September in Collio, Italy, is 4. A UV Index reading of 3 to 5 represents a medium vulnerability from unsafe exposure to UV radiation for ordinary individuals.Note: In September, a daily maximum UV index of 4 leads to the following instructions:
Take necessary precautions - Protection from skin and eye injury is mandatory. Direct Sun exposure should be minimized especially during midday when radiation is most intense. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays.
Frequently asked questions
What are the temperatures in Collio in September?
What is the average humidity in September in Collio?
How many days does it rain in September in Collio?
When it does not snow in Collio?
Does it snow in Collio in September?
How many hours of daylight does Collio have in September?
When are sunrise and sunset in September in Collio?
How many hours of sunshine does Collio have in September?
What is the UV index intensity in September in Collio?
Average temperature in September
Collio, Italy
- Average high temperature in September: 18.3°C
The warmest month (with the highest average high temperature) is August (22.4°C).
The month with the lowest average high temperature is January (3°C).
- Average low temperature in September: 10.4°C
The month with the highest average low temperature is August (13.8°C).
The coldest month (with the lowest average low temperature) is January (-2.8°C).
Average pressure in September
Collio, Italy
- Average pressure in September: 1017.1mbar
The month with the highest atmospheric pressure is December (1020mbar).
The month with the lowest atmospheric pressure is May (1014.8mbar).
Average wind speed in September
Collio, Italy
- Average wind speed in September: 6.3km/h
The windiest month (with the highest average wind speed) is March (7.3km/h).
The calmest month (with the lowest average wind speed) is October (6km/h).
Average humidity in September
Collio, Italy
- Average humidity in September: 80%
The month with the highest relative humidity is November (82%).
The month with the lowest relative humidity is December (75%).
Average rainfall in September
Collio, Italy
- Average rainfall in September: 98mm
The wettest month (with the highest rainfall) is June (170mm).
The driest month (with the least rainfall) is January (42mm).
Average rainfall days in September
Collio, Italy
- Average rainfall days in September: 20.6 days
The month with the highest number of rainy days is July (27.1 days).
The month with the least rainy days is January (5.8 days).
Average snowfall in September
Collio, Italy
- Average snowfall in September: 0mm
The month with the highest snowfall is February (344mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Collio, Italy
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (11.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Collio, 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 3min
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 18min).
Average sunshine days in September
Collio, Italy
- Average sunshine days in September: 6.1 days
The month with the most sunshine days is December (19.6 days).
The month with the least sunshine days is June (1.2 days).
Average UV index in September
Collio, Italy
- Average UV index in September: 4
The months with the highest UV index are June and July (UV index 5).
The months with the lowest UV index are January, February, October, November and December (UV index 2).
Average cloud cover in September
Collio, Italy
- Average cloud cover in September: 32
The month with the most cloud cover is November (Cloud cover 44).
The months with the least cloud cover are July and August (Cloud cover 27).
Average visibility in September
Collio, Italy
- Average visibility in September: 9km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October and December (9km).
The month with the lowest visibility is November (8km).
Collio, Italy
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