September weather forecastTriesenberg, Liechtenstein

September

Weather in September

September, while continuing the warming trend, starts to show signs of the forthcoming autumn with a drop in maximum temperature to 16.8°C (62.2°F). A significant decrease in the rainfall to 55mm (2.17") over 13.8 days marks a relatively drier period. The arrival of the fall paints the city in rustic hues, making it an irresistible attraction for nature lovers.

Temperature

The arrival of September is marked by a minor reduction in average high-temperature, sliding from an agreeable 21°C (69.8°F) in August to a refreshing 16.8°C (62.2°F). Triesenberg in September anticipates an average nighttime temperature of 6°C (42.8°F).

Humidity

In September, the average relative humidity is 79%.

Rainfall

In September, the rain falls for 13.8 days. Throughout September, 55mm (2.17") of precipitation is accumulated. Throughout the year, in Triesenberg, 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 in Triesenberg. 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 Triesenberg, during the entire year, snow falls for 80 days and aggregates up to 2699mm (106.26") of snow.

Daylight

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

Sunshine

The average sunshine in September in Triesenberg is 9.3h.

UV index

The average daily maximum UV index in September in Triesenberg is 3. A UV Index estimate of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV radiation for ordinary individuals.
Note: A daily maximum UV index of 3 in September translates into the following instructions:
Take measures. Individuals with light skin might experience burns in under 30 minutes. The best time to avoid the Sun's harmful UV radiation is during midday when it's most potent. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes. Foresee this! The reflection from snow can nearly double the intensity of UV radiation from the Sun.

Frequently asked questions

The high-temperature, in September, in Triesenberg, is 16.8°C (62.2°F), while the low-temperature averages to 6°C (42.8°F).

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

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

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

In Triesenberg, the average day length in September is 12h and 34min.

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 Triesenberg, sunrise is at 07:19 and sunset at 19:03 CEST.

The average sunshine duration in September in Triesenberg is 9.3h.

In Triesenberg, the average daily maximum UV index in September is 3. A UV Index of 3 to 5 symbolizes a medium health risk from unprotected exposure to UV radiation.
Average high temperature
Average low temperature
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average snowfall
Average snowfall days
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Triesenberg, 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
Triesenberg, 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
Triesenberg, 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
Triesenberg, 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
Triesenberg, 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
Triesenberg, 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
Triesenberg, 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
Triesenberg, 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
Triesenberg, Liechtenstein

  • Average daylight in September: 12h and 36min

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 18min

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
Triesenberg, 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
Triesenberg, 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
Triesenberg, 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
Triesenberg, 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).