September weather forecastUsellus, Italy
September
Weather in September
The first month of the autumn, September, is still a warm month in Usellus, Italy, with an average temperature varying between 18.6°C (65.5°F) and 26°C (78.8°F).Temperature
Usellus's weather subtly changes with the onset of September, barely falling from 29.9°C (85.8°F) in August to a still moderately hot 26°C (78.8°F). Throughout September, a steady low-temperature average of 18.6°C (65.5°F) is noted.Humidity
The average relative humidity in September in Usellus is 68%.Rainfall
In Usellus, during September, the rain falls for 7.5 days and regularly aggregates up to 15mm (0.59") of precipitation. Throughout the year, there are 107.3 rainfall days, and 264mm (10.39") of precipitation is accumulated.Snowfall
In Usellus, snow does not fall in January, March through December.Daylight
The average length of the day in September is 12h and 27min.On the first day of the month, sunrise is at 06:53 and sunset at 19:55. On the last day of September, sunrise is at 07:20 and sunset at 19:08 CEST.
Sunshine
In Usellus, the average sunshine in September is 10h.UV index
The average daily maximum UV index in September is 6. A UV Index reading of 6 to 7 represents a high health risk from exposure to the Sun's UV radiation for the ordinary person.Note: A maximum daily UV index of 6 during September morphs into the following directions:
Dodge overexposure. Fair-skinned people can get singed in less than 20 minutes. Avoid direct Sun exposure from 10 a.m. to 4 p.m., a period when UV radiation is most intense, and remember that not all shade structures provide full protection. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Usellus, Italy
- Average high temperature in September: 26°C
The warmest month (with the highest average high temperature) is August (29.9°C).
The month with the lowest average high temperature is January (12.8°C).
- Average low temperature in September: 18.6°C
The month with the highest average low temperature is August (20.8°C).
The coldest month (with the lowest average low temperature) is February (6.5°C).
Average pressure in September
Usellus, Italy
- Average pressure in September: 1015.8mbar
The month with the highest atmospheric pressure is December (1019.2mbar).
The months with the lowest atmospheric pressure are April and November (1014.2mbar).
Average wind speed in September
Usellus, Italy
- Average wind speed in September: 11.1km/h
The windiest month (with the highest average wind speed) is January (15.9km/h).
The calmest month (with the lowest average wind speed) is August (10.7km/h).
Average humidity in September
Usellus, Italy
- Average humidity in September: 68%
The month with the highest relative humidity is January (79%).
The month with the lowest relative humidity is August (61%).
Average rainfall in September
Usellus, Italy
- Average rainfall in September: 15mm
The wettest month (with the highest rainfall) is November (53mm).
The driest month (with the least rainfall) is July (4mm).
Average rainfall days in September
Usellus, Italy
- Average rainfall days in September: 7.5 days
The month with the highest number of rainy days is January (12.5 days).
The month with the least rainy days is July (3.1 days).
Average snowfall in September
Usellus, Italy
- Average snowfall in September: 0mm
The month with the highest snowfall is February (2mm).
The months with the least snowfall are January, March, April, May, June, July, August, September, October, November and December (0mm).
Average snowfall days in September
Usellus, 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
Usellus, Italy
- Average daylight in September: 12h and 30min
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 24min).
- Average sunshine in September: 10h and 0min
The month with the most sunshine is June (Average sunshine: 12h and 0min).
The month with the least sunshine is January (Average sunshine: 5h and 54min).
Average sunshine days in September
Usellus, Italy
- Average sunshine days in September: 19.3 days
The months with the most sunshine days are July and August (25.2 days).
The month with the least sunshine days is February (14.6 days).
Average UV index in September
Usellus, 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 and December (UV index 3).
Average cloud cover in September
Usellus, Italy
- Average cloud cover in September: 16
The month with the most cloud cover is January (Cloud cover 38).
The month with the least cloud cover is August (Cloud cover 7).
Average visibility in September
Usellus, 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).
