September weather forecastLenna, Italy
September
Weather in September
The first month of the autumn, September, is also an enjoyable month in Lenna, Italy, with an average temperature fluctuating between 18.3°C (64.9°F) and 9°C (48.2°F).Temperature
September ushers in a minor alteration in Lenna's climate, with the average high-temperature moving from August's agreeable 22.7°C (72.9°F) to an enjoyable 18.3°C (64.9°F). An average low-temperature of 9°C (48.2°F) is recorded during the nights in September.Humidity
In Lenna, the average relative humidity in September is 79%.Rainfall
In Lenna, during September, the rain falls for 14.8 days and regularly aggregates up to 74mm (2.91") of precipitation. Throughout the year, there are 162.7 rainfall days, and 1310mm (51.57") of precipitation is accumulated.Snowfall
In Lenna, snow does not fall in June through September.Daylight
In September, the average length of the day is 12h and 32min.On the first day of the month, sunrise is at 06:42 and sunset at 19:59. On the last day of September, in Lenna, sunrise is at 07:19 and sunset at 19:03 CEST.
Sunshine
In September, the average sunshine in Lenna, Italy, is 9.4h.UV index
In September, the average daily maximum UV index in Lenna is 4. A UV Index value of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV rays for the ordinary person.Note: An average UV index of 4 in September transforms into this advice:
Exercise care. People with light skin might get burns in fewer than 30 minutes. For health reasons, it's advisable to reduce direct sun exposure during peak hours around midday. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration. Be vigilant! The reflective nature of snow can increase the Sun's UV radiation nearly twofold.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Lenna, Italy
- Average high temperature in September: 18.3°C
The warmest month (with the highest average high temperature) is July (23.1°C).
The month with the lowest average high temperature is January (3.1°C).
- Average low temperature in September: 9°C
The month with the highest average low temperature is August (12.5°C).
The coldest month (with the lowest average low temperature) is January (-3.1°C).
Average pressure in September
Lenna, Italy
- Average pressure in September: 1017.5mbar
The month with the highest atmospheric pressure is December (1020.3mbar).
The months with the lowest atmospheric pressure are April and May (1015mbar).
Average wind speed in September
Lenna, Italy
- Average wind speed in September: 6.4km/h
The windiest month (with the highest average wind speed) is July (7.1km/h).
The calmest month (with the lowest average wind speed) is November (5.7km/h).
Average humidity in September
Lenna, Italy
- Average humidity in September: 79%
The month with the highest relative humidity is November (82%).
The month with the lowest relative humidity is December (74%).
Average rainfall in September
Lenna, Italy
- Average rainfall in September: 74mm
The wettest month (with the highest rainfall) is November (173mm).
The driest month (with the least rainfall) is January (38mm).
Average rainfall days in September
Lenna, Italy
- Average rainfall days in September: 14.8 days
The month with the highest number of rainy days is May (22.1 days).
The month with the least rainy days is February (4 days).
Average snowfall in September
Lenna, Italy
- Average snowfall in September: 0mm
The month with the highest snowfall is February (491mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Lenna, Italy
- Average snowfall days in September: 0.1 days
The month with the highest number of snowfall days is February (11.6 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in September /
Average sunshine in September
Lenna, Italy
- Average daylight in September: 12h and 30min
The month with the longest days is June (Average daylight: 15h and 42min).
The month with the shortest days is December (Average daylight: 8h and 42min).
- Average sunshine in September: 9h and 24min
The month with the most sunshine is July (Average sunshine: 11h and 12min).
The month with the least sunshine is November (Average sunshine: 5h and 12min).
Average sunshine days in September
Lenna, Italy
- Average sunshine days in September: 13.6 days
The month with the most sunshine days is January (19.9 days).
The month with the least sunshine days is June (6.8 days).
Average UV index in September
Lenna, Italy
- Average UV index in September: 4
The months with the highest UV index are June and July (UV index 5).
The months with the lowest UV index are January, February, March, November and December (UV index 2).
Average cloud cover in September
Lenna, Italy
- Average cloud cover in September: 33
The month with the most cloud cover is November (Cloud cover 44).
The month with the least cloud cover is July (Cloud cover 25).
Average visibility in September
Lenna, Italy
- Average visibility in September: 8km
The months with the highest visibility are January, April, May, June, July, August and December (9km).
The months with the lowest visibility are February, March, September, October and November (8km).
