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
September
Weather in September
Temperature
During the shift to September, Cles records a mild decrease in average high-temperature, moving from an enjoyable 19.3°C (66.7°F) in August to a mild 15.3°C (59.5°F). September brings with it a nighttime average temperature of 5.4°C (41.7°F) in Cles.Humidity
The average relative humidity in September in Cles is 80%.Rainfall
In Cles, in September, during 19.5 rainfall days, 70mm (2.76") of precipitation is typically accumulated. In Cles, 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 Cles 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 Cles, 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 33min.On the first day of the month, sunrise is at 06:36 and sunset at 19:54. On the last day of September, in Cles, sunrise is at 07:13 and sunset at 18:57 CEST.
Sunshine
In Cles, the average sunshine in September is 9.6h.UV index
In Cles, the average daily maximum UV index in September is 3. A UV Index estimate of 3 to 5 represents a moderate health risk from exposure to the Sun's UV rays for ordinary individuals.Note: The maximum daily UV index of 3 during September translates into the following directions:
Heed the precautions - Suggestions to avoid sunburn are made. Exposing oneself to the midday Sun can be harmful due to the strong UV radiation; limit your time outside. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit. Beware! Reflection from snow can magnify the Sun's UV radiation nearly twofold.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Cles in September?
What is the average humidity in September in Cles?
How many days does it rain in September in Cles?
When does it start snowing in Cles?
What is the average length of the day in September in Cles?
What time are sunrise and sunset in September in Cles?
How many hours of sunshine does Cles have in September?
How high is the UV index in September in Cles?
Average temperature in September
Cles, 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
Cles, 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
Cles, 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
Cles, 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
Cles, 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
Cles, 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
Cles, 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
Cles, 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
Cles, 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
Cles, 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
Cles, 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
Cles, 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
Cles, 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).
