September weather forecastCasteldelfino, Italy
September
Weather in September
September, the first month of the autumn in Casteldelfino, is also a moderate month, with an average temperature varying between 4.3°C (39.7°F) and 14.7°C (58.5°F).Temperature
September ushers in a minute temperature change, with average high-temperatures reducing from August's comfortable 19.2°C (66.6°F) to a still refreshing 14.7°C (58.5°F). September nights in Casteldelfino, Italy, observe an average temperature dip to a cold 4.3°C (39.7°F).Humidity
In Casteldelfino, Italy, the average relative humidity in September is 74%.Rainfall
In September, in Casteldelfino, Italy, the rain falls for 9.5 days. Throughout September, 19mm (0.75") of precipitation is accumulated. In Casteldelfino, Italy, during the entire year, the rain falls for 91.7 days and collects up to 362mm (14.25") of precipitation.Snowfall
In Casteldelfino, snow does not fall in July through September.Daylight
The average length of the day in September in Casteldelfino is 12h and 31min.On the first day of the month, sunrise is at 06:54 and sunset at 20:08. On the last day of September, sunrise is at 07:28 and sunset at 19:14 CEST.
Sunshine
The average sunshine in September in Casteldelfino is 9.5h.UV index
In Casteldelfino, the average daily maximum UV index in September is 3. A UV Index reading of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV rays for average individuals.Note: The UV index of 3 during September translates into the following guidance:
Take measures. Individuals with light skin might experience burns in under 30 minutes. Sun's radiation is most powerful around mid-day, so it's best to limit outdoor activities during this time. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes. Take note! UV radiation from the Sun can double in intensity due to snow reflection.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Casteldelfino, Italy
- Average high temperature in September: 14.7°C
The warmest month (with the highest average high temperature) is August (19.2°C).
The month with the lowest average high temperature is January (-1.2°C).
- Average low temperature in September: 4.3°C
The month with the highest average low temperature is July (7°C).
The coldest month (with the lowest average low temperature) is January (-10.9°C).
Average pressure in September
Casteldelfino, Italy
- Average pressure in September: 1016.9mbar
The month with the highest atmospheric pressure is December (1019.6mbar).
The month with the lowest atmospheric pressure is April (1014.3mbar).
Average wind speed in September
Casteldelfino, Italy
- Average wind speed in September: 5.6km/h
The windiest month (with the highest average wind speed) is March (7.8km/h).
The calmest month (with the lowest average wind speed) is September (5.6km/h).
Average humidity in September
Casteldelfino, Italy
- Average humidity in September: 74%
The months with the highest relative humidity are February and March (86%).
The month with the lowest relative humidity is August (67%).
Average rainfall in September
Casteldelfino, Italy
- Average rainfall in September: 19mm
The wettest month (with the highest rainfall) is November (49mm).
The driest month (with the least rainfall) is January (13mm).
Average rainfall days in September
Casteldelfino, Italy
- Average rainfall days in September: 9.5 days
The month with the highest number of rainy days is June (15.6 days).
The month with the least rainy days is December (2.4 days).
Average snowfall in September
Casteldelfino, Italy
- Average snowfall in September: 0mm
The month with the highest snowfall is November (304mm).
The months with the least snowfall are July, August and September (0mm).
Average snowfall days in September
Casteldelfino, Italy
- Average snowfall days in September: 0.1 days
The month with the highest number of snowfall days is February (9.8 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in September /
Average sunshine in September
Casteldelfino, Italy
- Average daylight in September: 12h and 30min
The month with the longest days is June (Average daylight: 15h and 30min).
The month with the shortest days is December (Average daylight: 8h and 54min).
- Average sunshine in September: 9h and 30min
The month with the most sunshine is July (Average sunshine: 11h and 36min).
The month with the least sunshine is January (Average sunshine: 5h and 54min).
Average sunshine days in September
Casteldelfino, Italy
- Average sunshine days in September: 18.5 days
The month with the most sunshine days is December (23.5 days).
The month with the least sunshine days is June (12.3 days).
Average UV index in September
Casteldelfino, 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
Casteldelfino, Italy
- Average cloud cover in September: 27
The month with the most cloud cover is April (Cloud cover 40).
The month with the least cloud cover is August (Cloud cover 19).
Average visibility in September
Casteldelfino, Italy
- Average visibility in September: 9km
The months with the highest visibility are June, July, August, September and October (9km).
The months with the lowest visibility are January, February and March (7km).





