Contents
- Weather in September
- Frequently asked questions
- Average temperature in September
- Average pressure in September
- Average wind speed in September
- Average humidity in September
- Average rainfall in September
- Average rainfall days in September
- Average snowfall in September
- Average snowfall days in September
- Average daylight in September
- Average sunshine in September
- Average sunshine days in September
- Average UV index in September
- Average cloud cover in September
- Average visibility in September
September
Weather in September
Temperature
With September's onset, the average high-temperature recedes from August's 29.9°C (85.8°F) to a still moderately hot 24.3°C (75.7°F). Throughout the month of September, Ussassai observes an average nighttime temperature of 14.9°C (58.8°F).Humidity
In Ussassai, Italy, the average relative humidity in September is 70%.Rainfall
In September, the rain falls for 12.1 days. Throughout September, 35mm (1.38") of precipitation is accumulated. Throughout the year, there are 153.4 rainfall days, and 531mm (20.91") of precipitation is accumulated.Snowfall
May through November are months without snowfall in Ussassai.Daylight
The average length of the day in September in Ussassai is 12h and 27min.On the first day of September, sunrise is at 06:50 and sunset at 19:53. On the last day of the month, sunrise is at 07:18 and sunset at 19:06 CEST.
Sunshine
In Ussassai, the average sunshine in September is 10h.UV index
In September, the average daily maximum UV index is 5. A UV Index of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV rays for ordinary individuals.Note: A maximum daily UV index of 5 during September morphs into the following directions:
Exercise prevention - Protecting skin and eyes from harm is required. Solar radiation peaks around mid-day, so it's wise to limit exposure to the Sun at this time. 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.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Ussassai in September?
What is the average humidity in September in Ussassai?
How many days does it rain in September in Ussassai?
When it does not snow in Ussassai?
What is the average length of the day in September in Ussassai?
What time are sunrise and sunset in September in Ussassai?
How long on average sun shines in September in Ussassai?
How high is the UV index in September in Ussassai?
Average temperature in September
Ussassai, Italy
- Average high temperature in September: 24.3°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 (9.9°C).
- Average low temperature in September: 14.9°C
The month with the highest average low temperature is August (17.8°C).
The coldest month (with the lowest average low temperature) is February (2.5°C).
Average pressure in September
Ussassai, Italy
- Average pressure in September: 1015.6mbar
The month with the highest atmospheric pressure is December (1018.8mbar).
The month with the lowest atmospheric pressure is April (1014mbar).
Average wind speed in September
Ussassai, Italy
- Average wind speed in September: 8.1km/h
The windiest month (with the highest average wind speed) is March (12km/h).
The calmest month (with the lowest average wind speed) is August (6.4km/h).
Average humidity in September
Ussassai, Italy
- Average humidity in September: 70%
The month with the highest relative humidity is January (85%).
The months with the lowest relative humidity are July and August (56%).
Average rainfall in September
Ussassai, Italy
- Average rainfall in September: 35mm
The wettest month (with the highest rainfall) is November (75mm).
The driest month (with the least rainfall) is July (18mm).
Average rainfall days in September
Ussassai, Italy
- Average rainfall days in September: 12.1 days
The month with the highest number of rainy days is April (16.8 days).
The month with the least rainy days is July (6 days).
Average snowfall in September
Ussassai, Italy
- Average snowfall in September: 0mm
The month with the highest snowfall is January (96mm).
The months with the least snowfall are May, June, July, August, September, October and November (0mm).
Average snowfall days in September
Ussassai, Italy
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (5.3 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in September /
Average sunshine in September
Ussassai, Italy
- Average daylight in September: 12h and 3min
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 August (Average sunshine: 11h and 54min).
The month with the least sunshine is January (Average sunshine: 5h and 24min).
Average sunshine days in September
Ussassai, Italy
- Average sunshine days in September: 14.8 days
The month with the most sunshine days is August (22.4 days).
The month with the least sunshine days is January (9.9 days).
Average UV index in September
Ussassai, Italy
- Average UV index in September: 5
The month with the highest UV index is July (UV index 7).
The month with the lowest UV index is December (UV index 2).
Average cloud cover in September
Ussassai, Italy
- Average cloud cover in September: 21
The month with the most cloud cover is January (Cloud cover 47).
The month with the least cloud cover is August (Cloud cover 9).
Average visibility in September
Ussassai, 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, November and December (8km).
