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
Weather in September
Temperature
September shows a mild decline in the average high-temperature, falling from August's moderately hot 29°C (84.2°F) to a still warm 23.2°C (73.8°F). Nightly temperatures drop to an average low of 11.7°C (53.1°F) in September.Humidity
In September, the average relative humidity is 71%.Rainfall
In Usigni, during September, the rain falls for 10.8 days and regularly aggregates up to 28mm (1.1") of precipitation. In Usigni, during the entire year, the rain falls for 158.4 days and collects up to 528mm (20.79") of precipitation.Snowfall
In Usigni, snow does not fall in April through October.Daylight
In September, the average length of the day is 12h and 29min.On the first day of September in Usigni, sunrise is at 06:33 and sunset at 19:42. On the last day of the month, sunrise is at 07:04 and sunset at 18:51 CEST.
Sunshine
The average sunshine in September in Usigni is 10.8h.UV index
In September, the average daily maximum UV index in Usigni, Italy, is 5. A UV Index reading of 3 to 5 represents a medium health hazard from exposure to the Sun's UV rays for average individuals.Note: In September, the maximum UV index of 5 suggests these recommendations:
Adopt protective measures - It is advised to guard against sun damage. The best time to avoid the Sun's harmful UV radiation is during midday when it's most potent. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration.
Frequently asked questions
What is the average September temperature in Usigni?
What is the average humidity in September in Usigni?
How much does it rain in Usigni in September?
When it does not snow in Usigni?
What is the average length of the day in September in Usigni?
When are sunrise and sunset in September in Usigni?
How many hours of sunshine does Usigni have in September?
How high is the UV index in September in Usigni?
Average temperature in September
Usigni, Italy
- Average high temperature in September: 23.2°C
The warmest month (with the highest average high temperature) is August (29°C).
The month with the lowest average high temperature is January (7.2°C).
- Average low temperature in September: 11.7°C
The month with the highest average low temperature is August (14.9°C).
The coldest month (with the lowest average low temperature) is January (0.8°C).
Average pressure in September
Usigni, Italy
- Average pressure in September: 1015.5mbar
The month with the highest atmospheric pressure is December (1018.6mbar).
The month with the lowest atmospheric pressure is July (1013.7mbar).
Average wind speed in September
Usigni, Italy
- Average wind speed in September: 7.8km/h
The windiest month (with the highest average wind speed) is February (10.5km/h).
The calmest months (with the lowest average wind speed) are July and August (7.1km/h).
Average humidity in September
Usigni, Italy
- Average humidity in September: 71%
The month with the highest relative humidity is November (83%).
The month with the lowest relative humidity is August (62%).
Average rainfall in September
Usigni, Italy
- Average rainfall in September: 28mm
The wettest month (with the highest rainfall) is November (76mm).
The driest month (with the least rainfall) is August (18mm).
Average rainfall days in September
Usigni, Italy
- Average rainfall days in September: 10.8 days
The month with the highest number of rainy days is May (18.9 days).
The month with the least rainy days is August (6.1 days).
Average snowfall in September
Usigni, Italy
- Average snowfall in September: 0mm
The month with the highest snowfall is February (40mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in September
Usigni, Italy
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (3 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight in September /
Average sunshine in September
Usigni, Italy
- Average daylight in September: 12h and 3min
The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 6min).
- Average sunshine in September: 10h and 5min
The month with the most sunshine is July (Average sunshine: 11h and 54min).
The months with the least sunshine are January and February (Average sunshine: 6h and 0min).
Average sunshine days in September
Usigni, Italy
- Average sunshine days in September: 16.8 days
The month with the most sunshine days is August (23.9 days).
The month with the least sunshine days is May (9.7 days).
Average UV index in September
Usigni, Italy
- Average UV index in September: 5
The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January and December (UV index 2).
Average cloud cover in September
Usigni, Italy
- Average cloud cover in September: 21
The month with the most cloud cover is February (Cloud cover 39).
The month with the least cloud cover is August (Cloud cover 12).
Average visibility in September
Usigni, Italy
- Average visibility in September: 9km
The months with the highest visibility are July and August (10km).
The months with the lowest visibility are January, February, March, April, May, June, September, October, November and December (9km).
Usigni, Italy
Weather forecast for your location
2. Allow the app to use your location
