September weather forecastCastrocielo, Italy
September
Weather in September
The first month of the autumn, September, is still a warm month in Castrocielo, Italy, with an average temperature fluctuating between 24.8°C (76.6°F) and 14.2°C (57.6°F).Temperature
With September's onset, the average high-temperature recedes from August's hot 30.4°C (86.7°F) to a moderately hot 24.8°C (76.6°F). Castrocielo observes an average nighttime low-temperature of 14.2°C (57.6°F) during the month of September.Humidity
In Castrocielo, the average relative humidity in September is 68%.Rainfall
In Castrocielo, during September, the rain falls for 12.5 days and regularly aggregates up to 40mm (1.57") of precipitation. Throughout the year, there are 150.3 rainfall days, and 564mm (22.2") of precipitation is accumulated.Snowfall
January, March through November are months without snowfall.Daylight
The average length of the day in September in Castrocielo is 12h and 28min.On the first day of the month, sunrise is at 06:31 and sunset at 19:38. On the last day of September, sunrise is at 07:01 and sunset at 18:48 CEST.
Sunshine
In Castrocielo, the average sunshine in September is 10.9h.UV index
In Castrocielo, the average daily maximum UV index in September is 5. A UV Index estimate of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV radiation for the average person.Note: In September, the maximum UV index of 5 translates into these guidelines:
Ensure safety - Recommendations to avert sunburn are presented. Being exposed to the midday Sun can have harmful effects due to strong UV radiation; always take precautions. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Castrocielo, Italy
- Average high temperature in September: 24.8°C
The warmest month (with the highest average high temperature) is August (30.4°C).
The month with the lowest average high temperature is January (9.9°C).
- Average low temperature in September: 14.2°C
The month with the highest average low temperature is August (17.2°C).
The coldest months (with the lowest average low temperature) are January and February (2.6°C).
Average pressure in September
Castrocielo, Italy
- Average pressure in September: 1015.6mbar
The month with the highest atmospheric pressure is December (1018.5mbar).
The month with the lowest atmospheric pressure is April (1014mbar).
Average wind speed in September
Castrocielo, Italy
- Average wind speed in September: 6.7km/h
The windiest month (with the highest average wind speed) is February (9km/h).
The calmest months (with the lowest average wind speed) are June and August (6.6km/h).
Average humidity in September
Castrocielo, Italy
- Average humidity in September: 68%
The month with the highest relative humidity is November (81%).
The month with the lowest relative humidity is August (59%).
Average rainfall in September
Castrocielo, Italy
- Average rainfall in September: 40mm
The wettest month (with the highest rainfall) is November (110mm).
The driest month (with the least rainfall) is August (19mm).
Average rainfall days in September
Castrocielo, Italy
- Average rainfall days in September: 12.5 days
The month with the highest number of rainy days is May (16.2 days).
The month with the least rainy days is August (8.6 days).
Average snowfall in September
Castrocielo, Italy
- Average snowfall in September: 0mm
The month with the highest snowfall is February (5mm).
The months with the least snowfall are January, March, April, May, June, July, August, September, October and November (0mm).
Average snowfall days in September
Castrocielo, Italy
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (0.2 days).
The months with the least snowfall days are January, April, May, June, July, August, September, October and November (0 days).
Average daylight in September /
Average sunshine in September
Castrocielo, Italy
- Average daylight in September: 12h and 30min
The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in September: 10h and 54min
The month with the most sunshine is August (Average sunshine: 11h and 54min).
The month with the least sunshine is January (Average sunshine: 5h and 48min).
Average sunshine days in September
Castrocielo, Italy
- Average sunshine days in September: 13.7 days
The month with the most sunshine days is August (18.5 days).
The month with the least sunshine days is May (11.3 days).
Average UV index in September
Castrocielo, Italy
- Average UV index in September: 5
The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are January and December (UV index 2).
Average cloud cover in September
Castrocielo, Italy
- Average cloud cover in September: 21
The month with the most cloud cover is January (Cloud cover 38).
The month with the least cloud cover is August (Cloud cover 11).
Average visibility in September
Castrocielo, Italy
- Average visibility in September: 10km
The months with the highest visibility are June, July, August and September (10km).
The months with the lowest visibility are January, February, March, April, May, October, November and December (9km).





