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
Weather in September
Temperature
In September, the meteorological conditions change slightly, with the average high-temperature moving from a refreshing 15.6°C (60.1°F) in August to a fresh 11.2°C (52.2°F). In September, the temperature drops to an average of 2.8°C (37°F) at night.Humidity
In Poschiavo, the average relative humidity in September is 84%.Rainfall
In Poschiavo, in September, during 20.7 rainfall days, 94mm (3.7") of precipitation is typically accumulated. Throughout the year, there are 199 rainfall days, and 1288mm (50.71") of precipitation is accumulated.Snowfall
Months with snowfall are January through June, September through December. September is the first month it typically snows in Poschiavo, Switzerland. Throughout September, in the average 0.8 snowfall days, it receives 39mm (1.54") of snow. Throughout the year, in Poschiavo, there are 106.9 snowfall days, and 3343mm (131.61") of snow is accumulated.Daylight
In Poschiavo, the average length of the day in September is 12h and 33min.On the first day of September in Poschiavo, sunrise is at 06:40 and sunset at 19:58. On the last day of the month, sunrise is at 07:17 and sunset at 19:01 CEST.
Sunshine
In September, the average sunshine in Poschiavo is 8.2h.UV index
June through September, with an average maximum UV index of 3, are months with the highest UV index. A UV Index of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV radiation for the average person.Note: The daily high UV index of 3 during September translates into the following recommendations:
Be vigilant - A duty to shield skin and eyes from injury exists. Protect yourself from the midday Sun's peak UV radiation by minimizing exposure. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck. Remember this! The UV radiation of the Sun can be nearly doubled by the reflective properties of snow.
Frequently asked questions
What are the temperatures in Poschiavo in September?
What is the average humidity in September in Poschiavo?
How many days does it rain in September in Poschiavo?
When does it start to snow in Poschiavo?
How many hours of daylight does Poschiavo have in September?
When is the sunrise / sunset in September in Poschiavo?
How long on average sun shines in September in Poschiavo?
When is the highest UV index in Poschiavo?
What is the UV index reading in September in Poschiavo?
Average temperature in September
Poschiavo, Switzerland
- Average high temperature in September: 11.2°C
The warmest month (with the highest average high temperature) is July (15.8°C).
The month with the lowest average high temperature is January (-4.2°C).
- Average low temperature in September: 2.8°C
The month with the highest average low temperature is August (5.9°C).
The coldest month (with the lowest average low temperature) is January (-12.5°C).
Average pressure in September
Poschiavo, Switzerland
- Average pressure in September: 1017.8mbar
The month with the highest atmospheric pressure is December (1020.5mbar).
The month with the lowest atmospheric pressure is April (1015.2mbar).
Average wind speed in September
Poschiavo, Switzerland
- Average wind speed in September: 6.8km/h
The windiest month (with the highest average wind speed) is December (9km/h).
The calmest month (with the lowest average wind speed) is August (6.5km/h).
Average humidity in September
Poschiavo, Switzerland
- Average humidity in September: 84%
The month with the highest relative humidity is April (92%).
The month with the lowest relative humidity is July (81%).
Average rainfall in September
Poschiavo, Switzerland
- Average rainfall in September: 94mm
The wettest month (with the highest rainfall) is August (159mm).
The driest month (with the least rainfall) is January (54mm).
Average rainfall days in September
Poschiavo, Switzerland
- Average rainfall days in September: 20.7 days
The months with the highest number of rainy days are June and July (26.4 days).
The month with the least rainy days is February (5.3 days).
Average snowfall in September
Poschiavo, Switzerland
- Average snowfall in September: 39mm
The month with the highest snowfall is November (750mm).
The months with the least snowfall are July and August (0mm).
Average snowfall days in September
Poschiavo, Switzerland
- Average snowfall days in September: 0.8 days
The month with the highest number of snowfall days is March (19.5 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in September /
Average sunshine in September
Poschiavo, 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: 8h and 1min
The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is November (Average sunshine: 4h and 24min).
Average sunshine days in September
Poschiavo, Switzerland
- Average sunshine days in September: 6.7 days
The month with the most sunshine days is December (13.5 days).
The month with the least sunshine days is June (2.3 days).
Average UV index in September
Poschiavo, Switzerland
- Average UV index in September: 3
The months with the highest UV index are June, July, August and September (UV index 3).
The months with the lowest UV index are January, February, April, October and November (UV index 1).
Average cloud cover in September
Poschiavo, Switzerland
- Average cloud cover in September: 48
The month with the most cloud cover is April (Cloud cover 59).
The month with the least cloud cover is July (Cloud cover 41).
Average visibility in September
Poschiavo, Switzerland
- Average visibility in September: 7km
The months with the highest visibility are June, July, August and December (8km).
The months with the lowest visibility are March, April and November (6km).
Poschiavo, Switzerland
Weather forecast for your location
2. Allow the app to use your location
