September weather forecastChiavano, Italy
September
Weather in September
September, the first month of the autumn in Chiavano, is also a moderately hot month, with an average temperature varying between 23.4°C (74.1°F) and 11.8°C (53.2°F).Temperature
September's onset brings a slight change in high-temperatures, falling from a warm 29°C (84.2°F) in August to a still moderately hot 23.4°C (74.1°F). Chiavano witnesses an average low-temperature of 11.8°C (53.2°F) throughout the month of September.Humidity
In September, the average relative humidity in Chiavano is 71%.Rainfall
In Chiavano, in September, it is raining for 11.3 days, with typically 40mm (1.57") of accumulated precipitation. In Chiavano, during the entire year, the rain falls for 158.9 days and collects up to 540mm (21.26") of precipitation.Snowfall
In Chiavano, snow does not fall in April through October.Daylight
In Chiavano, Italy, the average length of the day in September is 12h and 29min.On the first day of the month, sunrise is at 06:33 and sunset at 19:42. On the last day of September, sunrise is at 07:04 and sunset at 18:50 CEST.
Sunshine
The average sunshine in September is 10.6h.UV index
In September, the average daily maximum UV index is 5. A UV Index of 3 to 5 symbolizes a moderate threat to health from unsafe exposure to UV radiation for average individuals.Note: The maximum UV index of 5 during September leads to these instructions:
Be mindful. Individuals with a lighter skin tone may suffer burns in less than 30 minutes. UV radiation is strongest from the Sun during midday; protect yourself by staying in shaded areas. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Chiavano, Italy
- Average high temperature in September: 23.4°C
The warmest month (with the highest average high temperature) is August (29°C).
The month with the lowest average high temperature is January (7.2°C).
- Average low temperature in September: 11.8°C
The month with the highest average low temperature is August (14.9°C).
The coldest month (with the lowest average low temperature) is January (0.8°C).
Average pressure in September
Chiavano, Italy
- Average pressure in September: 1015.5mbar
The month with the highest atmospheric pressure is December (1018.6mbar).
The month with the lowest atmospheric pressure is July (1013.7mbar).
Average wind speed in September
Chiavano, Italy
- Average wind speed in September: 7.8km/h
The windiest month (with the highest average wind speed) is February (10.5km/h).
The calmest months (with the lowest average wind speed) are July and August (7.1km/h).
Average humidity in September
Chiavano, Italy
- Average humidity in September: 71%
The month with the highest relative humidity is November (83%).
The month with the lowest relative humidity is August (62%).
Average rainfall in September
Chiavano, Italy
- Average rainfall in September: 40mm
The wettest month (with the highest rainfall) is November (76mm).
The driest month (with the least rainfall) is August (18mm).
Average rainfall days in September
Chiavano, Italy
- Average rainfall days in September: 11.3 days
The month with the highest number of rainy days is May (18.9 days).
The month with the least rainy days is August (6.1 days).
Average snowfall in September
Chiavano, Italy
- Average snowfall in September: 0mm
The month with the highest snowfall is February (40mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in September
Chiavano, Italy
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (3 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight in September /
Average sunshine in September
Chiavano, Italy
- Average daylight in September: 12h and 30min
The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 6min).
- Average sunshine in September: 10h and 36min
The month with the most sunshine is July (Average sunshine: 11h and 54min).
The months with the least sunshine are January and February (Average sunshine: 6h and 0min).
Average sunshine days in September
Chiavano, Italy
- Average sunshine days in September: 16.6 days
The month with the most sunshine days is August (23.9 days).
The month with the least sunshine days is May (9.7 days).
Average UV index in September
Chiavano, Italy
- Average UV index in September: 5
The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January and December (UV index 2).
Average cloud cover in September
Chiavano, Italy
- Average cloud cover in September: 22
The month with the most cloud cover is February (Cloud cover 39).
The month with the least cloud cover is August (Cloud cover 12).
Average visibility in September
Chiavano, Italy
- Average visibility in September: 9km
The months with the highest visibility are July and August (10km).
The months with the lowest visibility are January, February, March, April, May, June, September, October, November and December (9km).
