September weather forecastLallio, Italy
September
Weather in September
September, the first month of the autumn in Lallio, is still a pleasant month, with an average temperature ranging between max 21.5°C (70.7°F) and min 12.2°C (54°F).Temperature
September brings a slight decrease in the average high-temperature, shifting from a warm 26.3°C (79.3°F) in August to an agreeable 21.5°C (70.7°F). During September nights, Lallio witnesses a consistent average temperature of 12.2°C (54°F).Humidity
In Lallio, the average relative humidity in September is 76%.Rainfall
In September, in Lallio, the rain falls for 16.1 days. Throughout September, 76mm (2.99") of precipitation is accumulated. Throughout the year, there are 190.3 rainfall days, and 984mm (38.74") of precipitation is accumulated.Snowfall
April through October are months without snowfall in Lallio.Daylight
In September, the average length of the day in Lallio is 12h and 32min.On the first day of September, sunrise is at 06:43 and sunset at 19:59. On the last day of the month, sunrise is at 07:19 and sunset at 19:03 CEST.
Sunshine
The average sunshine in September is 9.8h.UV index
In September, the average daily maximum UV index is 4. A UV Index reading of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV radiation for ordinary individuals.Note: The UV index of 4 during September leads to these advisories:
Preventative actions are necessary - Recommendations to ward off sunburn are given. The solar radiation around mid-day is intense; avoid the Sun and stay safe. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Lallio, Italy
- Average high temperature in September: 21.5°C
The warmest month (with the highest average high temperature) is August (26.3°C).
The month with the lowest average high temperature is January (5.1°C).
- Average low temperature in September: 12.2°C
The month with the highest average low temperature is August (15.7°C).
The coldest month (with the lowest average low temperature) is January (-0.6°C).
Average pressure in September
Lallio, Italy
- Average pressure in September: 1017.1mbar
The month with the highest atmospheric pressure is December (1020mbar).
The month with the lowest atmospheric pressure is May (1014.7mbar).
Average wind speed in September
Lallio, Italy
- Average wind speed in September: 5.6km/h
The windiest months (with the highest average wind speed) are March and April (6.6km/h).
The calmest month (with the lowest average wind speed) is November (5.4km/h).
Average humidity in September
Lallio, Italy
- Average humidity in September: 76%
The month with the highest relative humidity is November (81%).
The months with the lowest relative humidity are July and August (73%).
Average rainfall in September
Lallio, Italy
- Average rainfall in September: 76mm
The wettest month (with the highest rainfall) is August (135mm).
The driest month (with the least rainfall) is January (26mm).
Average rainfall days in September
Lallio, Italy
- Average rainfall days in September: 16.1 days
The month with the highest number of rainy days is July (23.3 days).
The month with the least rainy days is January (8.1 days).
Average snowfall in September
Lallio, Italy
- Average snowfall in September: 0mm
The month with the highest snowfall is December (28mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in September
Lallio, Italy
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (1.7 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
Lallio, Italy
- Average daylight in September: 12h and 30min
The month with the longest days is June (Average daylight: 15h and 36min).
The month with the shortest days is December (Average daylight: 8h and 48min).
- Average sunshine in September: 9h and 48min
The months with the most sunshine are June and July (Average sunshine: 11h and 18min).
The month with the least sunshine is November (Average sunshine: 5h and 24min).
Average sunshine days in September
Lallio, Italy
- Average sunshine days in September: 9.7 days
The month with the most sunshine days is December (20.7 days).
The month with the least sunshine days is June (2.9 days).
Average UV index in September
Lallio, Italy
- Average UV index in September: 4
The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in September
Lallio, Italy
- Average cloud cover in September: 27
The month with the most cloud cover is November (Cloud cover 41).
The month with the least cloud cover is July (Cloud cover 23).
Average visibility in September
Lallio, Italy
- Average visibility in September: 9km
The month with the highest visibility is June (10km).
The months with the lowest visibility are January, February, March, April, May, July, August, September, October, November and December (9km).
