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 transition to September results in a modest reduction in average high-temperature, moving from a pleasant 20.8°C (69.4°F) in August to a refreshing 16.5°C (61.7°F). During September, Borgnone experiences an average low-temperature of 7.2°C (45°F) at night.Humidity
In September, the average relative humidity in Borgnone is 79%.Rainfall
In September, in Borgnone, the rain falls for 17.6 days. Throughout September, 63mm (2.48") of precipitation is accumulated. In Borgnone, during the entire year, the rain falls for 200.8 days and collects up to 1253mm (49.33") of precipitation.Snowfall
June through September are months without snowfall in Borgnone.Daylight
In Borgnone, Switzerland, the average length of the day in September is 12h and 32min.On the first day of September, sunrise is at 06:46 and sunset at 20:04. On the last day of the month, sunrise is at 07:23 and sunset at 19:07 CEST.
Sunshine
In Borgnone, Switzerland, the average sunshine in September is 9.4h.UV index
The average daily maximum UV index in September in Borgnone is 3. A UV Index value of 3 to 5 symbolizes a medium health hazard from unprotected exposure to Sun's UV rays for the ordinary person.Note: The UV index of 3 in September translates into these instructions:
Take necessary precautions - Suggestions to elude sunburn are provided. Direct exposure to the Sun during its peak hours around mid-day should be minimized for safety. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average September temperature in Borgnone?
What is the average humidity in September in Borgnone?
How many days does it rain in September in Borgnone?
When it does not snow in Borgnone?
Does it snow in Borgnone in September?
What is the average length of the day in September in Borgnone?
What time are sunrise and sunset in September in Borgnone?
How long on average sun shines in September in Borgnone?
What is the UV index intensity in September in Borgnone?
Average temperature in September
Borgnone, Switzerland
- Average high temperature in September: 16.5°C
The warmest month (with the highest average high temperature) is July (21.2°C).
The month with the lowest average high temperature is January (0.9°C).
- Average low temperature in September: 7.2°C
The month with the highest average low temperature is August (10.6°C).
The coldest month (with the lowest average low temperature) is January (-5.9°C).
Average pressure in September
Borgnone, Switzerland
- Average pressure in September: 1017.9mbar
The month with the highest atmospheric pressure is December (1020.6mbar).
The month with the lowest atmospheric pressure is April (1015.1mbar).
Average wind speed in September
Borgnone, Switzerland
- Average wind speed in September: 6.3km/h
The windiest month (with the highest average wind speed) is February (7.4km/h).
The calmest month (with the lowest average wind speed) is November (5.8km/h).
Average humidity in September
Borgnone, Switzerland
- Average humidity in September: 79%
The month with the highest relative humidity is November (83%).
The month with the lowest relative humidity is July (76%).
Average rainfall in September
Borgnone, Switzerland
- Average rainfall in September: 63mm
The wettest month (with the highest rainfall) is November (164mm).
The driest month (with the least rainfall) is January (45mm).
Average rainfall days in September
Borgnone, Switzerland
- Average rainfall days in September: 17.6 days
The month with the highest number of rainy days is July (25.5 days).
The months with the least rainy days are February and December (8.6 days).
Average snowfall in September
Borgnone, Switzerland
- Average snowfall in September: 0mm
The month with the highest snowfall is November (334mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Borgnone, Switzerland
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (14.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Borgnone, 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: 9h and 2min
The month with the most sunshine is July (Average sunshine: 11h and 18min).
The month with the least sunshine is November (Average sunshine: 5h and 24min).
Average sunshine days in September
Borgnone, Switzerland
- Average sunshine days in September: 9.7 days
The month with the most sunshine days is October (14.9 days).
The month with the least sunshine days is June (3.1 days).
Average UV index in September
Borgnone, Switzerland
- Average UV index in September: 3
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, October, November and December (UV index 2).
Average cloud cover in September
Borgnone, Switzerland
- Average cloud cover in September: 33
The month with the most cloud cover is November (Cloud cover 42).
The month with the least cloud cover is July (Cloud cover 27).
Average visibility in September
Borgnone, Switzerland
- Average visibility in September: 8km
The months with the highest visibility are April, May, June, July, August and December (9km).
The months with the lowest visibility are January, February, March, September, October and November (8km).
