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
September's onset introduces a mild reduction in the average high-temperature, from a pleasant 22.7°C (72.9°F) in August to a comfortable 18.3°C (64.9°F). September witnesses an average nighttime temperature of 9°C (48.2°F) in Introbio.Humidity
In September, the average relative humidity in Introbio is 79%.Rainfall
In Introbio, during September, the rain falls for 14.8 days and regularly aggregates up to 74mm (2.91") of precipitation. Throughout the year, in Introbio, there are 162.7 rainfall days, and 1310mm (51.57") of precipitation is accumulated.Snowfall
June through September are months without snowfall in Introbio, Italy.Daylight
In Introbio, the average length of the day in September is 12h and 32min.On the first day of the month, sunrise is at 06:43 and sunset at 20:00. On the last day of September, in Introbio, sunrise is at 07:19 and sunset at 19:04 CEST.
Sunshine
The average sunshine in September in Introbio is 9.4h.UV index
The average daily maximum UV index in September in Introbio is 4. A UV Index reading of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV radiation for average individuals.Note: In September, the maximum UV index of 4 suggests this advice:
Heed the precautions - Suggestions to avoid sunburn are made. When the Sun is at its strongest around midday, find shade and limit exposure. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection. Mind this! Nearly twice the UV radiation from the Sun can be reflected by the snow.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average September temperature in Introbio?
What is the average humidity in September in Introbio?
How much does it rain in Introbio in September?
When it does not snow in Introbio?
Does it snow in Introbio in September?
How many hours of daylight does Introbio have in September?
When is the sunrise / sunset in September in Introbio?
How long on average sun shines in September in Introbio?
What is the UV index intensity in September in Introbio?
Average temperature in September
Introbio, Italy
- Average high temperature in September: 18.3°C
The warmest month (with the highest average high temperature) is July (23.1°C).
The month with the lowest average high temperature is January (3.1°C).
- Average low temperature in September: 9°C
The month with the highest average low temperature is August (12.5°C).
The coldest month (with the lowest average low temperature) is January (-3.1°C).
Average pressure in September
Introbio, Italy
- Average pressure in September: 1017.5mbar
The month with the highest atmospheric pressure is December (1020.3mbar).
The months with the lowest atmospheric pressure are April and May (1015mbar).
Average wind speed in September
Introbio, Italy
- Average wind speed in September: 6.4km/h
The windiest month (with the highest average wind speed) is July (7.1km/h).
The calmest month (with the lowest average wind speed) is November (5.7km/h).
Average humidity in September
Introbio, Italy
- Average humidity in September: 79%
The month with the highest relative humidity is November (82%).
The month with the lowest relative humidity is December (74%).
Average rainfall in September
Introbio, Italy
- Average rainfall in September: 74mm
The wettest month (with the highest rainfall) is November (173mm).
The driest month (with the least rainfall) is January (38mm).
Average rainfall days in September
Introbio, Italy
- Average rainfall days in September: 14.8 days
The month with the highest number of rainy days is May (22.1 days).
The month with the least rainy days is February (4 days).
Average snowfall in September
Introbio, Italy
- Average snowfall in September: 0mm
The month with the highest snowfall is February (491mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Introbio, Italy
- Average snowfall days in September: 0.1 days
The month with the highest number of snowfall days is February (11.6 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in September /
Average sunshine in September
Introbio, 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 2min
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
Introbio, Italy
- Average sunshine days in September: 13.6 days
The month with the most sunshine days is January (19.9 days).
The month with the least sunshine days is June (6.8 days).
Average UV index in September
Introbio, 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, March, November and December (UV index 2).
Average cloud cover in September
Introbio, Italy
- Average cloud cover in September: 33
The month with the most cloud cover is November (Cloud cover 44).
The month with the least cloud cover is July (Cloud cover 25).
Average visibility in September
Introbio, Italy
- Average visibility in September: 8km
The months with the highest visibility are January, April, May, June, July, August and December (9km).
The months with the lowest visibility are February, March, September, October and November (8km).
