September weather forecast
Vaduz, Liechtenstein

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The Royal Castle in Vaduz, Liechtenstein, amid beautiful trees and a view of vast mountain ranges
The Royal Castle in Vaduz, Liechtenstein, amid beautiful trees and a view of vast mountain ranges

Weather in September

September marks the beginning of autumn in Vaduz, Liechtenstein. The dramatic drop in temperature to 16.8°C (62.2°F) from 21°C (69.8°F) lays the foundation for the colors of fall to take over the city. Despite reduced sunlight hours from 14.2 hours to 12.6 hours, the weather remains comfortably warm. Rain returns prominently, yet the number of rainy days decreases, leaving plenty of dry and mild weather for residents and tourists to enjoy. This also marks the return of lower visibility, a reminder of the approaching winter.

Temperature

As September commences, the average high-temperature subtly reduces, transitioning from an agreeable 21°C (69.8°F) in August to an enjoyable 16.8°C (62.2°F). An average low-temperature of 6°C (42.8°F) is observed during the September nights.

Humidity

The average relative humidity in September is 79%.

Rainfall

In Vaduz, during September, the rain falls for 13.8 days and regularly aggregates up to 55mm (2.17") of precipitation. Throughout the year, in Vaduz, Liechtenstein, there are 149.5 rainfall days, and 983mm (38.7") of precipitation is accumulated.

Snowfall

January through May, September through December are months with snowfall. September is the first month it typically snows. Throughout September, in the average 0.1 snowfall days, it receives 1mm (0.04") of snow. In Vaduz, during the entire year, snow falls for 80 days and aggregates up to 2699mm (106.26") of snow.

Daylight

In September, the average length of the day in Vaduz is 12h and 34min.
On the first day of the month, sunrise is at 06:41 and sunset at 20:01. On the last day of September, sunrise is at 07:20 and sunset at 19:03 CEST.

Sunshine

In September, the average sunshine in Vaduz, Liechtenstein, is 9.3h.

UV index

In September, the average daily maximum UV index in Vaduz is 3. A UV Index of 3 to 5 symbolizes a medium health hazard from unprotected exposure to Sun's UV rays for the ordinary person.
Note: The maximum daily UV index of 3 in September converts into the following recommendations:
Preventative actions are necessary - Recommendations to ward off sunburn are given. The Sun is at its harshest during midday; protect yourself by staying in shaded areas and minimizing exposure. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses. Consider carefully! The reflective quality of snow can almost double the intensity of the Sun's UV radiation.

Frequently asked questions

What is the usual temperature for Vaduz in September?

The high-temperature in Vaduz during September is 16.8°C (62.2°F) and the low-temperature is 6°C (42.8°F).

What is the average humidity in September in Vaduz?

In September, the average relative humidity in Vaduz, Liechtenstein, is 79%.

How many days does it rain in September in Vaduz?

In Vaduz, Liechtenstein, during September, the rain falls for 13.8 days and regularly aggregates up to 55mm (2.17") of precipitation.

When does it start to snow in Vaduz?

September is the first month it typically snows in Vaduz. Throughout September, in the average 0.1 snowfall days, it receives 1mm (0.04") of snow.

What is the average length of the day in September in Vaduz?

The average day length in September is 12h and 34min.

When are sunrise and sunset in September in Vaduz?

On the first day of September in Vaduz, sunrise is at 06:41 and sunset at 20:01. On the last day of the month, sunrise is at 07:20 and sunset at 19:03 CEST.

How long on average sun shines in September in Vaduz?

The average sunshine duration in September is 9.3h.

What is the UV index intensity in September in Vaduz?

In September, the average daily maximum UV index in Vaduz, Liechtenstein, is 3. A UV Index value of 3 to 5 symbolizes a moderate health threat from unsafe exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Vaduz, Liechtenstein

Average temperature in September - Vaduz, Liechtenstein
  • Average high temperature in September: 16.8°C

The warmest month (with the highest average high temperature) is August (21°C).
The month with the lowest average high temperature is January (0.8°C).

  • Average low temperature in September: 6°C

The month with the highest average low temperature is August (9.4°C).
The coldest month (with the lowest average low temperature) is February (-7.4°C).

Average pressure in September
Vaduz, Liechtenstein

Average pressure in September - Vaduz, Liechtenstein
  • Average pressure in September: 1018.5mbar

The month with the highest atmospheric pressure is December (1020.8mbar).
The month with the lowest atmospheric pressure is April (1015.6mbar).

Average wind speed in September
Vaduz, Liechtenstein

Average wind speed in September - Vaduz, Liechtenstein
  • Average wind speed in September: 6.5km/h

The windiest month (with the highest average wind speed) is December (8km/h).
The calmest months (with the lowest average wind speed) are August and September (6.5km/h).

Average humidity in September
Vaduz, Liechtenstein

Average humidity in September - Vaduz, Liechtenstein
  • Average humidity in September: 79%

The months with the highest relative humidity are January and February (87%).
The month with the lowest relative humidity is July (76%).

Average rainfall in September
Vaduz, Liechtenstein

Average rainfall in September - Vaduz, Liechtenstein
  • Average rainfall in September: 55mm

The wettest month (with the highest rainfall) is August (115mm).
The driest month (with the least rainfall) is April (52mm).

Average rainfall days in September
Vaduz, Liechtenstein

Average rainfall days in September - Vaduz, Liechtenstein
  • Average rainfall days in September: 13.8 days

The month with the highest number of rainy days is May (20 days).
The month with the least rainy days is February (6.2 days).

Average snowfall in September
Vaduz, Liechtenstein

Average snowfall in September - Vaduz, Liechtenstein
  • Average snowfall in September: 1mm

The month with the highest snowfall is January (613mm).
The months with the least snowfall are June, July and August (0mm).

Average snowfall days in September
Vaduz, Liechtenstein

Average snowfall days in September - Vaduz, Liechtenstein
  • Average snowfall days in September: 0.1 days

The month with the highest number of snowfall days is January (15.9 days).
The months with the least snowfall days are June, July and August (0 days).

Average daylight in September /
Average sunshine in September
Vaduz, Liechtenstein

Average daylight in September / Average sunshine in September - Vaduz, Liechtenstein
  • Average daylight in September: 12h and 4min

The month with the longest days is June (Average daylight: 15h and 48min).
The month with the shortest days is December (Average daylight: 8h and 36min).

  • Average sunshine in September: 9h and 2min

The month with the most sunshine is July (Average sunshine: 10h and 24min).
The months with the least sunshine are January, February and December (Average sunshine: 5h and 36min).

Average sunshine days in September
Vaduz, Liechtenstein

Average sunshine days in September - Vaduz, Liechtenstein
  • Average sunshine days in September: 14.6 days

The month with the most sunshine days is October (17 days).
The month with the least sunshine days is May (8.3 days).

Average UV index in September
Vaduz, Liechtenstein

Average UV index in September - Vaduz, Liechtenstein
  • 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, November and December (UV index 2).

Average cloud cover in September
Vaduz, Liechtenstein

Average cloud cover in September - Vaduz, Liechtenstein
  • Average cloud cover in September: 35

The month with the most cloud cover is February (Cloud cover 44).
The month with the least cloud cover is August (Cloud cover 32).

Average visibility in September
Vaduz, Liechtenstein

Average visibility in September - Vaduz, Liechtenstein
  • Average visibility in September: 8km

The months with the highest visibility are June, July and August (9km).
The months with the lowest visibility are January and February (7km).

Vaduz, Liechtenstein

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