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 arrival of September corresponds with a light shift in temperature, down from a refreshing 15.3°C (59.5°F) in August to a cool 10.9°C (51.6°F). During September nights, Borgonovo records an average temperature of 1.6°C (34.9°F).Humidity
The average relative humidity in September in Borgonovo is 85%.Rainfall
In Borgonovo, Switzerland, in September, during 15.6 rainfall days, 39mm (1.54") of precipitation is typically accumulated. Throughout the year, there are 139.9 rainfall days, and 641mm (25.24") of precipitation is accumulated.Snowfall
January through June, September through December are months with snowfall in Borgonovo. September is the first month it typically snows in Borgonovo. Throughout September, in the average 1.2 snowfall days, it receives 33mm (1.3") of snow. In Borgonovo, during the entire year, snow falls for 97.2 days and aggregates up to 1956mm (77.01") of snow.Daylight
In September, the average length of the day is 12h and 33min.On the first day of September in Borgonovo, sunrise is at 06:42 and sunset at 20:00. On the last day of the month, sunrise is at 07:19 and sunset at 19:03 CEST.
Sunshine
In September, the average sunshine is 7.8h.UV index
In September, the average daily maximum UV index in Borgonovo is 2. A UV Index value of 2, and less, symbolizes a minimal health hazard from exposure to the Sun's UV rays for ordinary individuals.Note: In September, the maximum UV index of 2 suggests these recommendations:
Many can withstand an hour in the sun without burning, yet children must always have protection against sunlight. When the Sun is at its strongest around midday, find shade and limit exposure. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage. Consider this! The reflection from snow can almost double the intensity of the Sun's UV radiation.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are September temperatures in Borgonovo?
What is the average humidity in September in Borgonovo?
How many days does it rain in September in Borgonovo?
When does it start to snow in Borgonovo?
How many hours of daylight does Borgonovo have in September?
When are sunrise and sunset in September in Borgonovo?
How long on average sun shines in September in Borgonovo?
How high is the UV index in September in Borgonovo?
Average temperature in September
Borgonovo, Switzerland
- Average high temperature in September: 10.9°C
The warmest month (with the highest average high temperature) is July (15.4°C).
The month with the lowest average high temperature is January (-4.4°C).
- Average low temperature in September: 1.6°C
The month with the highest average low temperature is August (5°C).
The coldest month (with the lowest average low temperature) is January (-13.9°C).
Average pressure in September
Borgonovo, Switzerland
- Average pressure in September: 1018mbar
The month with the highest atmospheric pressure is December (1020.6mbar).
The month with the lowest atmospheric pressure is April (1015.3mbar).
Average wind speed in September
Borgonovo, Switzerland
- Average wind speed in September: 7.8km/h
The windiest months (with the highest average wind speed) are February and December (9.9km/h).
The calmest month (with the lowest average wind speed) is August (7.5km/h).
Average humidity in September
Borgonovo, Switzerland
- Average humidity in September: 85%
The month with the highest relative humidity is April (94%).
The month with the lowest relative humidity is July (81%).
Average rainfall in September
Borgonovo, Switzerland
- Average rainfall in September: 39mm
The wettest month (with the highest rainfall) is November (84mm).
The driest month (with the least rainfall) is January (20mm).
Average rainfall days in September
Borgonovo, Switzerland
- Average rainfall days in September: 15.6 days
The month with the highest number of rainy days is July (22.6 days).
The month with the least rainy days is December (2.6 days).
Average snowfall in September
Borgonovo, Switzerland
- Average snowfall in September: 33mm
The month with the highest snowfall is November (492mm).
The months with the least snowfall are July and August (0mm).
Average snowfall days in September
Borgonovo, Switzerland
- Average snowfall days in September: 1.2 days
The month with the highest number of snowfall days is March (17 days).
The month with the least snowfall days is August (0 days).
Average daylight in September /
Average sunshine in September
Borgonovo, Switzerland
- 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: 7h and 5min
The month with the most sunshine is July (Average sunshine: 9h and 54min).
The month with the least sunshine is November (Average sunshine: 3h and 54min).
Average sunshine days in September
Borgonovo, Switzerland
- Average sunshine days in September: 11 days
The month with the most sunshine days is December (18.8 days).
The month with the least sunshine days is July (6.2 days).
Average UV index in September
Borgonovo, Switzerland
- Average UV index in September: 2
The months with the highest UV index are June, July and August (UV index 3).
The months with the lowest UV index are January, February, March, April, October and November (UV index 1).
Average cloud cover in September
Borgonovo, Switzerland
- Average cloud cover in September: 54
The month with the most cloud cover is April (Cloud cover 66).
The month with the least cloud cover is July (Cloud cover 47).
Average visibility in September
Borgonovo, Switzerland
- Average visibility in September: 7km
The month with the highest visibility is July (8km).
The month with the lowest visibility is April (5km).
