September weather forecastIsola Comacina, Italy
September
Weather in September
September, the first month of the autumn in Isola Comacina, is still a comfortable month, with an average temperature fluctuating between 8.7°C (47.7°F) and 18.6°C (65.5°F).Temperature
Isola Comacina's progression into September involves a minor drop in the average high-temperature, slightly receding from a warm 23°C (73.4°F) in August to a refreshing 18.6°C (65.5°F). During the month of September, an average temperature of 8.7°C (47.7°F) is noted during the nights.Humidity
The average relative humidity in September is 79%.Rainfall
In September, in Isola Comacina, the rain falls for 17.1 days. Throughout September, 89mm (3.5") of precipitation is accumulated. Throughout the year, there are 190.8 rainfall days, and 1414mm (55.67") of precipitation is accumulated.Snowfall
In Isola Comacina, snow does not fall in May through October.Daylight
In Isola Comacina, the average length of the day in September is 12h and 32min.On the first day of September, sunrise is at 06:44 and sunset at 20:01. On the last day of the month, sunrise is at 07:21 and sunset at 19:05 CEST.
Sunshine
In September, the average sunshine is 9.2h.UV index
The average daily maximum UV index in September is 4. A UV Index value of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV rays for ordinary individuals.Note: An average UV index of 4 in September transforms into this advice:
Stay alert. Light-skinned people could suffer burns in less than 30 minutes. The best time to avoid the Sun's harmful UV radiation is during midday when it's most potent. By wearing a generously brimmed hat, you can cut UV radiation exposure significantly.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Isola Comacina, Italy
- Average high temperature in September: 18.6°C
The warmest month (with the highest average high temperature) is July (23.9°C).
The month with the lowest average high temperature is January (3.8°C).
- Average low temperature in September: 8.7°C
The months with the highest average low temperature are July and August (12.3°C).
The coldest month (with the lowest average low temperature) is January (-2.5°C).
Average pressure in September
Isola Comacina, Italy
- Average pressure in September: 1017.6mbar
The month with the highest atmospheric pressure is December (1020.4mbar).
The month with the lowest atmospheric pressure is April (1015mbar).
Average wind speed in September
Isola Comacina, Italy
- Average wind speed in September: 6.8km/h
The windiest month (with the highest average wind speed) is July (7.6km/h).
The calmest month (with the lowest average wind speed) is November (6km/h).
Average humidity in September
Isola Comacina, Italy
- Average humidity in September: 79%
The month with the highest relative humidity is November (81%).
The months with the lowest relative humidity are January and December (74%).
Average rainfall in September
Isola Comacina, Italy
- Average rainfall in September: 89mm
The wettest month (with the highest rainfall) is August (191mm).
The driest month (with the least rainfall) is January (37mm).
Average rainfall days in September
Isola Comacina, Italy
- Average rainfall days in September: 17.1 days
The month with the highest number of rainy days is June (22.7 days).
The month with the least rainy days is December (8.7 days).
Average snowfall in September
Isola Comacina, Italy
- Average snowfall in September: 0mm
The month with the highest snowfall is December (20mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in September
Isola Comacina, Italy
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (2.1 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
Isola Comacina, 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 12min
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
Isola Comacina, Italy
- Average sunshine days in September: 11 days
The month with the most sunshine days is December (20.8 days).
The month with the least sunshine days is June (5 days).
Average UV index in September
Isola Comacina, 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, November and December (UV index 2).
Average cloud cover in September
Isola Comacina, Italy
- Average cloud cover in September: 33
The month with the most cloud cover is November (Cloud cover 43).
The month with the least cloud cover is July (Cloud cover 26).
Average visibility in September
Isola Comacina, Italy
- Average visibility in September: 8km
The months with the highest visibility are January, February, March, April, May, June, July, August and December (9km).
The months with the lowest visibility are September, October and November (8km).
