September weather forecast
Triesen, Liechtenstein

englishespañol中文
Share

Weather in September

September signals a gradual transition from summer to autumn in Triesen. Although daytime temperatures remain relatively mild averaging 16.8°C (62.2°F), a hint of the incoming fall season starts to manifest. September evenings turn noticeably cooler as the first leaves start to change color. However, the generous sunshine during the day maintains a pleasant outdoor experience despite the shorter days. In essence, September merges the residual warmth of summer with the crisp undertones of fall.

Temperature

In the transition to September, Triesen observes a minor drop in the average high-temperature, shifting from an agreeable 21°C (69.8°F) in August to a comfortable 16.8°C (62.2°F). Nighttime temperatures in Triesen consistently average a chilly 6°C (42.8°F) during September.

Humidity

In September, the average relative humidity is 79%.

Rainfall

In Triesen, in September, during 13.8 rainfall days, 55mm (2.17") of precipitation is typically accumulated. Throughout the year, there are 149.5 rainfall days, and 983mm (38.7") of precipitation is accumulated.

Snowfall

Months with snowfall in Triesen are January through May, September through December. September is the first month it typically snows. Throughout September, in the average 0.1 snowfall days, it receives 1mm (0.04") of snow. Throughout the year, in Triesen, there are 80 snowfall days, and 2699mm (106.26") of snow is accumulated.

Daylight

In Triesen, the average length of the day in September is 12h and 34min.
On the first day of September, 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.

Sunshine

The average sunshine in September in Triesen is 9.3h.

UV index

The average daily maximum UV index in September in Triesen is 3. A UV Index value of 3 to 5 symbolizes a moderate health risk from unsafe exposure to UV radiation for ordinary individuals.
Note: A maximum high UV index of 3 in September translates into the following recommendations:
Be vigilant - Preventing sunburn is recommended. The Sun's harshest UV rays are around midday; it's wise to seek shade and limit time outdoors. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears. Notice this! Nearly double the intensity of the Sun's UV radiation can be caused by snow reflection.
[Resources]

Frequently asked questions

What are September temperatures in Triesen?

In Triesen, 16.8°C (62.2°F) is the average high-temperature and 6°C (42.8°F) is the average low-temperature during September.

What is the average humidity in September in Triesen?

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

How many days does it rain in September in Triesen?

In Triesen, in September, during 13.8 rainfall days, 55mm (2.17") of precipitation is typically accumulated.

When does it start to snow in Triesen?

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

How many hours of daylight does Triesen have in September?

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

What time are sunrise and sunset in September in Triesen?

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

How long on average sun shines in September in Triesen?

In September, the average sunshine duration in Triesen is 9.3h.

What is the UV index intensity in September in Triesen?

In Triesen, the average daily maximum UV index in September is 3. A UV Index of 3 to 5 symbolizes a moderate health threat from unprotected exposure to UV radiation.
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
Triesen, Liechtenstein

Average temperature in September - Triesen, 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).

[Resources]

Average pressure in September
Triesen, Liechtenstein

Average pressure in September - Triesen, 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).

[Resources]

Average wind speed in September
Triesen, Liechtenstein

Average wind speed in September - Triesen, 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).

[Resources]

Average humidity in September
Triesen, Liechtenstein

Average humidity in September - Triesen, 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%).

[Resources]

Average rainfall in September
Triesen, Liechtenstein

Average rainfall in September - Triesen, 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).

[Resources]

Average rainfall days in September
Triesen, Liechtenstein

Average rainfall days in September - Triesen, 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).

[Resources]

Average snowfall in September
Triesen, Liechtenstein

Average snowfall in September - Triesen, 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).

[Resources]

Average snowfall days in September
Triesen, Liechtenstein

Average snowfall days in September - Triesen, 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).

[Resources]

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

Average daylight in September / Average sunshine in September - Triesen, 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).

[Resources]

Average sunshine days in September
Triesen, Liechtenstein

Average sunshine days in September - Triesen, 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).

[Resources]

Average UV index in September
Triesen, Liechtenstein

Average UV index in September - Triesen, 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).

[Resources]

Average cloud cover in September
Triesen, Liechtenstein

Average cloud cover in September - Triesen, 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).

[Resources]

Average visibility in September
Triesen, Liechtenstein

Average visibility in September - Triesen, 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).

[Resources]

Triesen, Liechtenstein

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location