Contents
- Weather in September
- Frequently asked questions
- Average temperature in September
- Average pressure in September
- Average wind speed in September
- Average humidity in September
- Average rainfall in September
- Average rainfall days in September
- Average snowfall in September
- Average snowfall days in September
- Average daylight in September
- Average sunshine in September
- Average sunshine days in September
- Average UV index in September
- Average cloud cover in September
- Average visibility in September
September
Weather in September
Temperature
The shift from August to September coincides with a small decrease in the average high-temperature, down to a pleasant 21°C (69.8°F) from a moderately hot 25.9°C (78.6°F). In September, Olgiate Comasco experiences an average nighttime temperature of 11.5°C (52.7°F).Humidity
In September, the average relative humidity in Olgiate Comasco, Italy, is 74%.Rainfall
In Olgiate Comasco, during September, the rain falls for 15.4 days and regularly aggregates up to 67mm (2.64") of precipitation. In Olgiate Comasco, during the entire year, the rain falls for 172.1 days and collects up to 1177mm (46.34") of precipitation.Snowfall
In Olgiate Comasco, snow does not fall in April through September.Daylight
In Olgiate Comasco, the average length of the day in September is 12h and 32min.On the first day of September in Olgiate Comasco, sunrise is at 06:45 and sunset at 20:02. On the last day of the month, sunrise is at 07:21 and sunset at 19:06 CEST.
Sunshine
The average sunshine in September is 9.6h.UV index
In Olgiate Comasco, the average daily maximum UV index in September is 4. A UV Index reading of 3 to 5 represents a medium health hazard from unprotected exposure to Sun's UV rays for the ordinary person.Note: The maximum daily UV index of 4 in September converts into the following recommendations:
Heed the precautions - Protecting the skin and eyes from damage is compulsory. During midday, the Sun's radiation is strongest, and it's advisable to reduce direct exposure. To cut down UV radiation exposure by about half, sport a wide-brim hat.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Olgiate Comasco in September?
What is the average humidity in September in Olgiate Comasco?
How much does it rain in Olgiate Comasco in September?
When it does not snow in Olgiate Comasco?
Does it snow in Olgiate Comasco in September?
How many hours of daylight does Olgiate Comasco have in September?
What time are sunrise and sunset in September in Olgiate Comasco?
How long on average sun shines in September in Olgiate Comasco?
What is the UV index intensity in September in Olgiate Comasco?
Average temperature in September
Olgiate Comasco, Italy
- Average high temperature in September: 21°C
The warmest month (with the highest average high temperature) is July (26.3°C).
The month with the lowest average high temperature is January (4.8°C).
- Average low temperature in September: 11.5°C
The month with the highest average low temperature is August (15.2°C).
The coldest month (with the lowest average low temperature) is January (-0.9°C).
Average pressure in September
Olgiate Comasco, Italy
- Average pressure in September: 1017.5mbar
The month with the highest atmospheric pressure is December (1020.3mbar).
The month with the lowest atmospheric pressure is April (1014.9mbar).
Average wind speed in September
Olgiate Comasco, Italy
- Average wind speed in September: 6.1km/h
The windiest month (with the highest average wind speed) is March (6.9km/h).
The calmest month (with the lowest average wind speed) is November (5.5km/h).
Average humidity in September
Olgiate Comasco, Italy
- Average humidity in September: 74%
The month with the highest relative humidity is November (79%).
The month with the lowest relative humidity is July (70%).
Average rainfall in September
Olgiate Comasco, Italy
- Average rainfall in September: 67mm
The wettest month (with the highest rainfall) is November (177mm).
The driest month (with the least rainfall) is January (31mm).
Average rainfall days in September
Olgiate Comasco, Italy
- Average rainfall days in September: 15.4 days
The months with the highest number of rainy days are June and July (20.2 days).
The month with the least rainy days is January (6.8 days).
Average snowfall in September
Olgiate Comasco, Italy
- Average snowfall in September: 0mm
The month with the highest snowfall is February (69mm).
The months with the least snowfall are April, May, June, July, August and September (0mm).
Average snowfall days in September
Olgiate Comasco, Italy
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (3.8 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Olgiate Comasco, Italy
- Average daylight in September: 12h and 3min
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 4min
The month with the most sunshine is July (Average sunshine: 11h and 30min).
The month with the least sunshine is November (Average sunshine: 5h and 18min).
Average sunshine days in September
Olgiate Comasco, Italy
- Average sunshine days in September: 11.8 days
The month with the most sunshine days is December (21.5 days).
The month with the least sunshine days is June (6 days).
Average UV index in September
Olgiate Comasco, 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
Olgiate Comasco, Italy
- Average cloud cover in September: 28
The month with the most cloud cover is November (Cloud cover 42).
The month with the least cloud cover is July (Cloud cover 23).
Average visibility in September
Olgiate Comasco, 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).
