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
September witnesses a gentle descent in average high-temperature, descending from August's enjoyable 18.6°C (65.5°F) to a still refreshing 13.9°C (57°F). Throughout September, an average low-temperature of 3.7°C (38.7°F) is experienced.Humidity
In Chiomonte, the average relative humidity in September is 76%.Rainfall
September is the month with the least rainfall. Rain falls for 15.3 days and accumulates 34mm (1.34") of precipitation.Snowfall
Months with snowfall are January through June, September through December. September is the first month it typically snows. Throughout September, in the average 0.4 snowfall days, it receives 1mm (0.04") of snow. Throughout the year, there are 98.6 snowfall days, and 2112mm (83.15") of snow is accumulated.Daylight
The average length of the day in September is 12h and 32min.On the first day of the month, sunrise is at 06:54 and sunset at 20:09. On the last day of September, sunrise is at 07:29 and sunset at 19:14 CEST.
Sunshine
The average sunshine in September is 9h.UV index
In Chiomonte, the average daily maximum UV index in September is 3. A UV Index reading of 3 to 5 represents a moderate health risk from exposure to the Sun's UV rays for ordinary individuals.Note: The average daily UV index of 3 in September transforms into the following instructions:
Guard yourself - Precautionary measures against sun damage are advocated. Direct exposure to the Sun during its peak hours around mid-day should be minimized for safety. Employ a wide-brim hat for potent defense against up to 50% of UV rays. Observe! Snow reflection can nearly intensify the Sun's UV radiation twofold.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average September temperature?
What is the average humidity in September in Chiomonte?
What is the driest month?
How many days does it rain in September?
When does it start to snow?
How many hours of daylight does Chiomonte have in September?
When are sunrise and sunset in September?
How long on average sun shines in September?
How high is the UV index in September in Chiomonte?
Average temperature in September
Chiomonte, Italy
- Average high temperature in September: 13.9°C
The warmest month (with the highest average high temperature) is August (18.6°C).
The month with the lowest average high temperature is January (-1.7°C).
- Average low temperature in September: 3.7°C
The month with the highest average low temperature is August (6.8°C).
The coldest month (with the lowest average low temperature) is January (-10.9°C).
Average pressure in September
Chiomonte, Italy
- Average pressure in September: 1017.3mbar
The month with the highest atmospheric pressure is December (1020.1mbar).
The month with the lowest atmospheric pressure is April (1014.6mbar).
Average wind speed in September
Chiomonte, Italy
- Average wind speed in September: 6km/h
The windiest month (with the highest average wind speed) is December (9.1km/h).
The calmest month (with the lowest average wind speed) is August (5.7km/h).
Average humidity in September
Chiomonte, Italy
- Average humidity in September: 76%
The months with the highest relative humidity are February and March (87%).
The months with the lowest relative humidity are July and August (72%).
Average rainfall in September
Chiomonte, Italy
- Average rainfall in September: 34mm
The wettest month (with the highest rainfall) is June (74mm).
The driest month (with the least rainfall) is September (34mm).
Average rainfall days in September
Chiomonte, Italy
- Average rainfall days in September: 15.3 days
The month with the highest number of rainy days is June (21.3 days).
The month with the least rainy days is December (6.2 days).
Average snowfall in September
Chiomonte, Italy
- Average snowfall in September: 1mm
The month with the highest snowfall is November (431mm).
The months with the least snowfall are July and August (0mm).
Average snowfall days in September
Chiomonte, Italy
- Average snowfall days in September: 0.4 days
The month with the highest number of snowfall days is March (17.6 days).
The month with the least snowfall days is August (0 days).
Average daylight in September /
Average sunshine in September
Chiomonte, 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: 9h and 0min
The month with the most sunshine is July (Average sunshine: 11h and 12min).
The month with the least sunshine is November (Average sunshine: 5h and 18min).
Average sunshine days in September
Chiomonte, Italy
- Average sunshine days in September: 12.5 days
The month with the most sunshine days is October (17.7 days).
The month with the least sunshine days is May (6.4 days).
Average UV index in September
Chiomonte, 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
Chiomonte, Italy
- Average cloud cover in September: 33
The month with the most cloud cover is April (Cloud cover 47).
The month with the least cloud cover is August (Cloud cover 26).
Average visibility in September
Chiomonte, Italy
- Average visibility in September: 8km
The months with the highest visibility are June, July and August (9km).
The months with the lowest visibility are January, February, March, April and November (7km).
