September weather forecastCastelsardo, Italy
September weather for Castelsardo, Italy: The first month of the autumn, September, is also a moderately hot month in Castelsardo, Italy, with an average temperature ranging between min 19°C (66.2°F) and max 24.4°C (75.9°F). On the first day of September in Castelsardo, Italy, sunrise is at 06:52 and sunset at 19:57.
September
Weather in September
The first month of the autumn, September, is also a moderately hot month in Castelsardo, Italy, with an average temperature ranging between min 19°C (66.2°F) and max 24.4°C (75.9°F).Temperature
September's arrival signals a moderate reduction in the average high-temperature, easing from a warm 28.3°C (82.9°F) in August to a still moderately hot 24.4°C (75.9°F). In Castelsardo, September nights witness a steady temperature drop to an enjoyable 19°C (66.2°F).Humidity
The average relative humidity in September is 70%.Rainfall
In September, in Castelsardo, Italy, the rain falls for 9.3 days. Throughout September, 20mm (0.79") of precipitation is accumulated. Throughout the year, in Castelsardo, Italy, there are 117.6 rainfall days, and 327mm (12.87") of precipitation is accumulated.Snowfall
March through December are months without snowfall in Castelsardo.Sea temperature
In Castelsardo, the average seawater temperature in September is 23.3°C (73.9°F).Note: While a person's sensitivity to cold is personal, factors like sunshine, wind, and the temperature can influence their comfort in 23.3°C (73.9°F) waters. Olympians, for perspective, swim in waters between 25°C (77°F) and 28°C (82.4°F).
Daylight
In Castelsardo, the average length of the day in September is 12h and 28min.On the first day of September in Castelsardo, sunrise is at 06:52 and sunset at 19:57. On the last day of the month, sunrise is at 07:21 and sunset at 19:08 CEST.
Sunshine
In Castelsardo, the average sunshine in September is 10h.UV index
The average daily maximum UV index in September in Castelsardo is 6. A UV Index estimate of 6 to 7 represents a high health vulnerability from exposure to the Sun's UV radiation for the average person.Note: The daily high UV index of 6 during September translates into the following recommendations:
Resist overexposure. Safeguarding from solar damage is indispensable. During the period from 10 a.m. to 4 p.m., UV radiation is highest. Try to avoid direct sunlight during these hours. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun. Notice! Sand and water reflections contribute to a stronger UV exposure.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Castelsardo, Italy
- Average high temperature in September: 24.4°C
The warmest month (with the highest average high temperature) is August (28.3°C).
The month with the lowest average high temperature is February (11.9°C).
- Average low temperature in September: 19°C
The month with the highest average low temperature is August (21.2°C).
The coldest month (with the lowest average low temperature) is February (7.1°C).
Average pressure in September
Castelsardo, Italy
- Average pressure in September: 1015.7mbar
The month with the highest atmospheric pressure is December (1018.7mbar).
The month with the lowest atmospheric pressure is November (1013.9mbar).
Average wind speed in September
Castelsardo, Italy
- Average wind speed in September: 12.3km/h
The windiest month (with the highest average wind speed) is January (17.9km/h).
The calmest month (with the lowest average wind speed) is August (10.1km/h).
Average humidity in September
Castelsardo, Italy
- Average humidity in September: 70%
The month with the highest relative humidity is January (79%).
The month with the lowest relative humidity is August (65%).
Average rainfall in September
Castelsardo, Italy
- Average rainfall in September: 20mm
The wettest month (with the highest rainfall) is November (62mm).
The driest month (with the least rainfall) is July (6mm).
Average rainfall days in September
Castelsardo, Italy
- Average rainfall days in September: 9.3 days
The month with the highest number of rainy days is November (14.2 days).
The month with the least rainy days is July (4.1 days).
Average snowfall in September
Castelsardo, Italy
- Average snowfall in September: 0mm
The month with the highest snowfall is February (3mm).
The months with the least snowfall are March, April, May, June, July, August, September, October, November and December (0mm).
Average snowfall days in September
Castelsardo, Italy
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (0.7 days).
The months with the least snowfall days are April, May, June, July, August, September, October, November and December (0 days).
Average sea temperature in September
Castelsardo, Italy
- Average sea temperature in September: 23.3°C
The best month for swimming (with the highest average sea temperature) is August (24.1°C).
The coldest month (with the lowest average sea temperature) is February (13.3°C).
Average daylight in September /
Average sunshine in September
Castelsardo, 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 18min).
- Average sunshine in September: 10h and 0min
The months with the most sunshine are June, July and August (Average sunshine: 11h and 54min).
The month with the least sunshine is January (Average sunshine: 5h and 30min).
Average sunshine days in September
Castelsardo, Italy
- Average sunshine days in September: 17.9 days
The month with the most sunshine days is August (25.3 days).
The month with the least sunshine days is November (13.5 days).
Average UV index in September
Castelsardo, Italy
- Average UV index in September: 6
The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 3).
Average cloud cover in September
Castelsardo, Italy
- Average cloud cover in September: 17
The month with the most cloud cover is January (Cloud cover 43).
The month with the least cloud cover is August (Cloud cover 8).
Average visibility in September
Castelsardo, Italy
- Average visibility in September: 10km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
