September weather forecastDecimomannu, Italy
September
Weather in September
The first month of the autumn, September, is still a warm month in Decimomannu, Italy, with temperature in the range of an average high of 26.2°C (79.2°F) and an average low of 19.4°C (66.9°F).Temperature
The start of September signals a gentle decrease in the average high-temperature, transitioning from a hot 30.6°C (87.1°F) in August to a moderately hot 26.2°C (79.2°F). September's average low-temperature reading settles at a refreshing 19.4°C (66.9°F).Humidity
In September, the average relative humidity in Decimomannu is 68%.Rainfall
In September, the rain falls for 8.4 days. Throughout September, 21mm (0.83") of precipitation is accumulated. Throughout the year, in Decimomannu, Italy, there are 107.7 rainfall days, and 284mm (11.18") of precipitation is accumulated.Snowfall
January, March through November are months without snowfall.Daylight
In Decimomannu, Italy, the average length of the day in September is 12h and 26min.On the first day of the month, sunrise is at 06:53 and sunset at 19:54. On the last day of September, in Decimomannu, sunrise is at 07:19 and sunset at 19:08 CEST.
Sunshine
The average sunshine in September is 10.3h.UV index
In September, the average daily maximum UV index in Decimomannu is 6. A UV Index estimate of 6 to 7 represents a high threat to health from exposure to the Sun's UV rays for average individuals.Note: The maximum daily UV index, 6 in September, converts into the following recommendations:
Continue precautions and advocate sun safety advice. Deterrence of sunburn 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. Always opt for UVA and UVB-resistant sunglasses on radiant days.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Decimomannu, 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
Decimomannu, 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
Decimomannu, 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
Decimomannu, 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
Decimomannu, 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
Decimomannu, 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
Decimomannu, 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 daylight in September /
Average sunshine in September
Decimomannu, 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
Decimomannu, 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
Decimomannu, 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
Decimomannu, 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
Decimomannu, 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).
