September weather forecastCagliari, Italy
September
Weather in September
Cagliari’s weather begins to cool down in September, with temperature dropping to a comfortable 26.2°C (79.2°F). This marks the onset of the pleasant autumn season, making it a popular time for tourists to enjoy sightseeing and outdoor events. However, September also shows an increase in rainfall, humidity, and cloud cover. People continue to flock to the beach, capitalizing on the sea's lingering warmth, which remains at around 23.9°C (75°F).Temperature
As August shifts into September in Cagliari, a minor alteration in temperatures is observed, with average highs reducing from a tropical 30.6°C (87.1°F) to a warm 26.2°C (79.2°F). September nights cool down to an average low-temperature of 19.4°C (66.9°F).Humidity
In September, the average relative humidity in Cagliari is 68%.Rainfall
In Cagliari, Italy, during September, the rain falls for 8.4 days and regularly aggregates up to 21mm (0.83") of precipitation. In Cagliari, Italy, during the entire year, the rain falls for 107.7 days and collects up to 284mm (11.18") of precipitation.Snowfall
January, March through November are months without snowfall.Sea temperature
In September, the average sea temperature in Cagliari is 23.9°C (75°F).Note: If you're wary of the cold, the surrounding conditions—sunshine, wind, and air temperature become crucial when swimming in 23.9°C (75°F) waters. Olympic standards, for reference, are set between 25°C (77°F) and 28°C (82.4°F).
Daylight
In September, the average length of the day is 12h and 26min.On the first day of September in Cagliari, Italy, sunrise is at 06:52 and sunset at 19:54. On the last day of the month, sunrise is at 07:19 and sunset at 19:07 CEST.
Sunshine
The average sunshine in September in Cagliari is 10.3h.UV index
In September, the average daily maximum UV index is 6. A UV Index of 6 to 7 symbolizes a high health hazard from exposure to the Sun's UV rays for the ordinary person.Note: A maximum high UV index of 6 in September translates into the following recommendations:
Sidestep overexposure. Individuals with fair complexions risk burning in fewer than 20 minutes. To the best of your ability, limit your exposure to the sun between the hours of 10 a.m. and 4 p.m., when UV radiation is at its peak. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. Be on guard! The reflective nature of sand and water boosts UV exposure.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Cagliari, Italy
- Average high temperature in September: 26.2°C
The warmest month (with the highest average high temperature) is August (30.6°C).
The months with the lowest average high temperature are January and February (13.4°C).
- Average low temperature in September: 19.4°C
The month with the highest average low temperature is August (21.7°C).
The coldest month (with the lowest average low temperature) is February (6.7°C).
Average pressure in September
Cagliari, Italy
- Average pressure in September: 1015.7mbar
The month with the highest atmospheric pressure is December (1019.3mbar).
The month with the lowest atmospheric pressure is April (1014.2mbar).
Average wind speed in September
Cagliari, Italy
- Average wind speed in September: 11.4km/h
The windiest month (with the highest average wind speed) is February (15.9km/h).
The calmest month (with the lowest average wind speed) is August (10.7km/h).
Average humidity in September
Cagliari, Italy
- Average humidity in September: 68%
The month with the highest relative humidity is January (79%).
The months with the lowest relative humidity are July and August (59%).
Average rainfall in September
Cagliari, Italy
- Average rainfall in September: 21mm
The wettest month (with the highest rainfall) is November (58mm).
The driest month (with the least rainfall) is July (5mm).
Average rainfall days in September
Cagliari, Italy
- Average rainfall days in September: 8.4 days
The month with the highest number of rainy days is November (12.6 days).
The month with the least rainy days is July (3.3 days).
Average snowfall days in September
Cagliari, Italy
- Average snowfall days in September: 0 days
The months with the highest number of snowfall days are February and December (0.1 days).
The months with the least snowfall days are January, March, April, May, June, July, August, September, October and November (0 days).
Average sea temperature in September
Cagliari, Italy
- Average sea temperature in September: 23.9°C
The best month for swimming (with the highest average sea temperature) is August (24.8°C).
The coldest month (with the lowest average sea temperature) is February (13.8°C).
Average daylight in September /
Average sunshine in September
Cagliari, Italy
- Average daylight in September: 12h and 24min
The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in September: 10h and 18min
The month with the most sunshine is June (Average sunshine: 12h and 0min).
The month with the least sunshine is January (Average sunshine: 6h and 0min).
Average sunshine days in September
Cagliari, Italy
- Average sunshine days in September: 19.8 days
The month with the most sunshine days is July (26.4 days).
The month with the least sunshine days is November (14.4 days).
Average UV index in September
Cagliari, Italy
- Average UV index in September: 6
The months with the highest UV index are June and July (UV index 7).
The months with the lowest UV index are January, February and December (UV index 3).
Average cloud cover in September
Cagliari, Italy
- Average cloud cover in September: 15
The month with the most cloud cover is January (Cloud cover 35).
The months with the least cloud cover are July and August (Cloud cover 7).
Average visibility in September
Cagliari, 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).
