September weather forecastComo, Italy
September
Weather in September
The first month of the autumn, September, is still a pleasant month in Como, Italy, with an average temperature fluctuating between 12.4°C (54.3°F) and 21.5°C (70.7°F).Temperature
September's onset introduces a mild reduction in the average high-temperature, from a moderately hot 26.1°C (79°F) in August to an agreeable 21.5°C (70.7°F). In the month of September, the average low-temperature usually rests at a cool 12.4°C (54.3°F).Humidity
In Como, the average relative humidity in September is 73%.Rainfall
In Como, in September, it is raining for 15.4 days, with typically 74mm (2.91") of accumulated precipitation. In Como, during the entire year, the rain falls for 173.9 days and collects up to 1140mm (44.88") of precipitation.Snowfall
April through October are months without snowfall in Como, Italy.Daylight
The average length of the day in September in Como, Italy, 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, in Como, sunrise is at 07:21 and sunset at 19:05 CEST.
Sunshine
The average sunshine in September in Como is 9.6h.UV index
In September, the average daily maximum UV index is 4. A UV Index reading of 3 to 5 represents a moderate threat to health from unsafe exposure to UV radiation for the ordinary person.Note: The maximum daily UV index of 4 during September translates into the following directions:
Make use of precautions - It is urged to ward off sun damage. The Sun's radiation is especially intense around midday; try to stay in shade during this period. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Como, 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
Como, 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
Como, 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
Como, 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
Como, 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
Como, 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
Como, 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
Como, 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
Como, 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 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
Como, 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
Como, 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
Como, 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
Como, 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).
