September weather forecastAliano, Italy
September
Weather in September
September, the first month of the autumn in Aliano, is still a warm month, with temperature in the range of an average low of 13.3°C (55.9°F) and an average high of 23.4°C (74.1°F).Temperature
The shift from August to September corresponds with a decrease in the average high-temperature, down to a still moderately hot 23.4°C (74.1°F) from a warm 29.3°C (84.7°F). Aliano, during the nights of September, experiences an average temperature drop to a refreshing 13.3°C (55.9°F).Humidity
In September, the average relative humidity in Aliano is 69%.Rainfall
In Aliano, in September, during 16 rainfall days, 52mm (2.05") of precipitation is typically accumulated. Throughout the year, in Aliano, there are 179 rainfall days, and 696mm (27.4") of precipitation is accumulated.Snowfall
May through October are months without snowfall.Daylight
In September, the average length of the day in Aliano is 12h and 28min.On the first day of the month, sunrise is at 06:23 and sunset at 19:26. On the last day of September, sunrise is at 06:50 and sunset at 18:38 CEST.
Sunshine
The average sunshine in September is 10.2h.UV index
In September, the average daily maximum UV index is 5. A UV Index estimate of 3 to 5 represents a moderate health risk from unsafe exposure to UV radiation for ordinary individuals.Note: In September, an average UV index of 5 transforms into the following instructions:
Adopt protective measures - It is advised to guard against sun damage. The intensity of the Sun's UV radiation during midday suggests reducing time spent outdoors. Employ a wide-brim hat for potent defense against up to 50% of UV rays.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Aliano, Italy
- Average high temperature in September: 23.4°C
The warmest month (with the highest average high temperature) is August (29.3°C).
The month with the lowest average high temperature is January (7.8°C).
- Average low temperature in September: 13.3°C
The month with the highest average low temperature is August (16.3°C).
The coldest month (with the lowest average low temperature) is January (1.3°C).
Average pressure in September
Aliano, Italy
- Average pressure in September: 1015.2mbar
The month with the highest atmospheric pressure is December (1018.1mbar).
The month with the lowest atmospheric pressure is July (1013.3mbar).
Average wind speed in September
Aliano, Italy
- Average wind speed in September: 7.6km/h
The windiest month (with the highest average wind speed) is February (11.6km/h).
The calmest month (with the lowest average wind speed) is August (6.9km/h).
Average humidity in September
Aliano, Italy
- Average humidity in September: 69%
The month with the highest relative humidity is January (85%).
The month with the lowest relative humidity is August (58%).
Average rainfall in September
Aliano, Italy
- Average rainfall in September: 52mm
The wettest month (with the highest rainfall) is May (80mm).
The driest month (with the least rainfall) is December (43mm).
Average rainfall days in September
Aliano, Italy
- Average rainfall days in September: 16 days
The month with the highest number of rainy days is May (19.3 days).
The month with the least rainy days is December (11.9 days).
Average snowfall in September
Aliano, Italy
- Average snowfall in September: 0mm
The month with the highest snowfall is February (121mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in September
Aliano, Italy
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (6.2 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
Aliano, Italy
- Average daylight in September: 12h and 30min
The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 24min).
- Average sunshine in September: 10h and 12min
The month with the most sunshine is August (Average sunshine: 11h and 54min).
The month with the least sunshine is January (Average sunshine: 4h and 54min).
Average sunshine days in September
Aliano, Italy
- Average sunshine days in September: 11.5 days
The month with the most sunshine days is July (16.8 days).
The month with the least sunshine days is May (9.5 days).
Average UV index in September
Aliano, Italy
- Average UV index in September: 5
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January and December (UV index 2).
Average cloud cover in September
Aliano, Italy
- Average cloud cover in September: 26
The month with the most cloud cover is January (Cloud cover 50).
The month with the least cloud cover is August (Cloud cover 14).
Average visibility in September
Aliano, Italy
- Average visibility in September: 9km
The months with the highest visibility are June, July and August (10km).
The months with the lowest visibility are January, February and November (8km).





