September weather forecastLainate, Italy
September
Weather in September
The first month of the autumn, September, is still a warm month in Lainate, Italy, with temperature in the range of an average low of 14.8°C (58.6°F) and an average high of 23.5°C (74.3°F).Temperature
September brings a decrease in the average high-temperature, shifting from a warm 28.5°C (83.3°F) in August to a still moderately hot 23.5°C (74.3°F). Lainate's temperature in September lowers to a consistent average of 14.8°C (58.6°F) during the nights.Humidity
The average relative humidity in September is 72%.Rainfall
In Lainate, during September, the rain falls for 12.1 days and regularly aggregates up to 66mm (2.6") of precipitation. Throughout the year, there are 157.4 rainfall days, and 996mm (39.21") of precipitation is accumulated.Snowfall
In Lainate, snow does not fall in April through October.Daylight
In Lainate, the average length of the day in September is 12h and 32min.On the first day of the month, sunrise is at 06:45 and sunset at 20:01. On the last day of September, sunrise is at 07:21 and sunset at 19:05 CEST.
Sunshine
In September, the average sunshine is 9.4h.UV index
In September, the average daily maximum UV index is 5. A UV Index estimate of 3 to 5 represents a medium health hazard from exposure to the Sun's UV rays for average individuals.Note: An average UV index of 5 in September transforms into this advice:
Preventative actions are necessary - Recommendations to ward off sunburn are given. To guard against the harmful effects of the Sun, minimize exposure during midday. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Lainate, Italy
- Average high temperature in September: 23.5°C
The warmest month (with the highest average high temperature) is July (28.6°C).
The month with the lowest average high temperature is January (5.9°C).
- Average low temperature in September: 14.8°C
The month with the highest average low temperature is August (18.6°C).
The coldest month (with the lowest average low temperature) is January (1°C).
Average pressure in September
Lainate, Italy
- Average pressure in September: 1017.1mbar
The month with the highest atmospheric pressure is December (1020mbar).
The months with the lowest atmospheric pressure are April and May (1014.7mbar).
Average wind speed in September
Lainate, Italy
- Average wind speed in September: 5.9km/h
The windiest month (with the highest average wind speed) is April (7.3km/h).
The calmest month (with the lowest average wind speed) is December (5.7km/h).
Average humidity in September
Lainate, Italy
- Average humidity in September: 72%
The month with the highest relative humidity is November (79%).
The months with the lowest relative humidity are July and August (69%).
Average rainfall in September
Lainate, Italy
- Average rainfall in September: 66mm
The wettest month (with the highest rainfall) is November (152mm).
The driest month (with the least rainfall) is January (37mm).
Average rainfall days in September
Lainate, Italy
- Average rainfall days in September: 12.1 days
The month with the highest number of rainy days is May (16.3 days).
The month with the least rainy days is January (8.6 days).
Average snowfall in September
Lainate, Italy
- Average snowfall in September: 0mm
The month with the highest snowfall is February (32mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in September
Lainate, Italy
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (2.3 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
Lainate, 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 24min
The month with the most sunshine is July (Average sunshine: 11h and 36min).
The month with the least sunshine is November (Average sunshine: 4h and 48min).
Average sunshine days in September
Lainate, Italy
- Average sunshine days in September: 16.3 days
The month with the most sunshine days is January (19.9 days).
The month with the least sunshine days is April (12.5 days).
Average UV index in September
Lainate, 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, February, November and December (UV index 2).
Average cloud cover in September
Lainate, Italy
- Average cloud cover in September: 30
The month with the most cloud cover is November (Cloud cover 50).
The month with the least cloud cover is July (Cloud cover 21).
Average visibility in September
Lainate, Italy
- Average visibility in September: 9km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).





