September weather forecastLeini, Italy
September
Weather in September
The first month of the autumn, September, is also an agreeable month in Leini, Italy, with an average temperature fluctuating between 10.8°C (51.4°F) and 20.8°C (69.4°F).Temperature
The shift from August to September includes a small decrease in the average high-temperature, from a warm 25.5°C (77.9°F) to an agreeable 20.8°C (69.4°F). Leini's nighttime temperature during September is consistently averaged at a fresh 10.8°C (51.4°F).Humidity
The average relative humidity in September is 71%.Rainfall
In September, in Leini, the rain falls for 14.2 days. Throughout September, 43mm (1.69") of precipitation is accumulated. Throughout the year, there are 173.6 rainfall days, and 769mm (30.28") of precipitation is accumulated.Snowfall
In Leini, snow does not fall in April through October.Daylight
In September, the average length of the day in Leini is 12h and 32min.On the first day of September, sunrise is at 06:51 and sunset at 20:06. On the last day of the month, sunrise is at 07:26 and sunset at 19:11 CEST.
Sunshine
In September, the average sunshine is 9.7h.UV index
In September, the average daily maximum UV index is 4. A UV Index value of 3 to 5 symbolizes a medium vulnerability from unprotected exposure to Sun's UV rays for the ordinary person.Note: The maximum daily UV index of 4 during September translates into the following directions:
Prioritize safety - The need to safeguard skin and eyes from harm is emphasized. The most potent solar radiation is around mid-day, so one should minimize exposure to direct sunlight during this period. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Leini, Italy
- Average high temperature in September: 20.8°C
The warmest month (with the highest average high temperature) is July (25.7°C).
The month with the lowest average high temperature is January (4.4°C).
- Average low temperature in September: 10.8°C
The month with the highest average low temperature is August (14.4°C).
The coldest month (with the lowest average low temperature) is January (-2°C).
Average pressure in September
Leini, Italy
- Average pressure in September: 1017.2mbar
The month with the highest atmospheric pressure is December (1020mbar).
The month with the lowest atmospheric pressure is April (1014.5mbar).
Average wind speed in September
Leini, Italy
- Average wind speed in September: 5.4km/h
The windiest month (with the highest average wind speed) is July (6.1km/h).
The calmest month (with the lowest average wind speed) is November (4.7km/h).
Average humidity in September
Leini, Italy
- Average humidity in September: 71%
The month with the highest relative humidity is November (77%).
The month with the lowest relative humidity is July (68%).
Average rainfall in September
Leini, Italy
- Average rainfall in September: 43mm
The wettest month (with the highest rainfall) is November (106mm).
The driest month (with the least rainfall) is January (18mm).
Average rainfall days in September
Leini, Italy
- Average rainfall days in September: 14.2 days
The month with the highest number of rainy days is July (22.1 days).
The month with the least rainy days is January (7.3 days).
Average snowfall in September
Leini, Italy
- Average snowfall in September: 0mm
The months with the highest snowfall are January and February (32mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in September
Leini, 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
Leini, 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 42min
The months with the most sunshine are June and July (Average sunshine: 11h and 30min).
The month with the least sunshine is November (Average sunshine: 6h and 6min).
Average sunshine days in September
Leini, Italy
- Average sunshine days in September: 12.5 days
The month with the most sunshine days is January (20.8 days).
The month with the least sunshine days is June (4.9 days).
Average UV index in September
Leini, 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
Leini, Italy
- Average cloud cover in September: 23
The month with the most cloud cover is November (Cloud cover 33).
The month with the least cloud cover is August (Cloud cover 20).
Average visibility in September
Leini, 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).





