September weather forecastCermenate, Italy
September
Weather in September
The first month of the autumn, September, is still a pleasant month in Cermenate, Italy, with an average temperature ranging between max 21.5°C (70.7°F) and min 12.4°C (54.3°F).Temperature
The onset of September aligns with a soft reduction in the average high-temperature, gently falling from a moderately hot 26.1°C (79°F) in August to an agreeable 21.5°C (70.7°F). An average nighttime temperature of 12.4°C (54.3°F) is witnessed throughout September.Humidity
In September, the average relative humidity is 73%.Rainfall
In Cermenate, in September, it is raining for 15.4 days, with typically 74mm (2.91") of accumulated precipitation. Throughout the year, there are 173.9 rainfall days, and 1140mm (44.88") of precipitation is accumulated.Snowfall
April through October are months without snowfall in Cermenate.Daylight
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 Cermenate, Italy, the average sunshine in September is 9.6h.UV index
The average daily maximum UV index in September is 4. A UV Index reading of 3 to 5 represents a medium health hazard from exposure to the Sun's UV radiation for the average person.Note: In September, a daily UV index of 4 turns into the following recommendations:
Heed the precautions - Suggestions to avoid sunburn are made. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Cermenate, Italy
- Average high temperature in September: 21.5°C
The warmest month (with the highest average high temperature) is July (26.5°C).
The month with the lowest average high temperature is January (4.9°C).
- Average low temperature in September: 12.4°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 (-0.2°C).
Average pressure in September
Cermenate, Italy
- Average pressure in September: 1017.4mbar
The month with the highest atmospheric pressure is December (1020.2mbar).
The month with the lowest atmospheric pressure is April (1014.8mbar).
Average wind speed in September
Cermenate, Italy
- Average wind speed in September: 5.9km/h
The windiest month (with the highest average wind speed) is March (6.7km/h).
The calmest month (with the lowest average wind speed) is November (5.4km/h).
Average humidity in September
Cermenate, Italy
- Average humidity in September: 73%
The month with the highest relative humidity is November (79%).
The month with the lowest relative humidity is July (69%).
Average rainfall in September
Cermenate, Italy
- Average rainfall in September: 74mm
The wettest month (with the highest rainfall) is November (165mm).
The driest month (with the least rainfall) is January (34mm).
Average rainfall days in September
Cermenate, Italy
- Average rainfall days in September: 15.4 days
The month with the highest number of rainy days is July (19.2 days).
The month with the least rainy days is January (7.6 days).
Average snowfall in September
Cermenate, Italy
- Average snowfall in September: 0mm
The months with the highest snowfall are February and December (40mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in September
Cermenate, Italy
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (3.4 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
Cermenate, 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 36min
The month with the most sunshine is July (Average sunshine: 11h and 36min).
The month with the least sunshine is November (Average sunshine: 5h and 12min).
Average sunshine days in September
Cermenate, Italy
- Average sunshine days in September: 11.4 days
The month with the most sunshine days is January (20.2 days).
The month with the least sunshine days is July (8.7 days).
Average UV index in September
Cermenate, 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
Cermenate, Italy
- Average cloud cover in September: 28
The month with the most cloud cover is November (Cloud cover 44).
The month with the least cloud cover is July (Cloud cover 22).
Average visibility in September
Cermenate, Italy
- Average visibility in September: 9km
The months with the highest visibility are June and July (10km).
The months with the lowest visibility are January, February, March, April, May, August, September, October, November and December (9km).





