Triesen Weather in September
With daytime temperatures of 17°C (63°F) and nighttime lows of 7°C (45°F), September in Triesen brings moderate temperatures during the day. Do keep in mind that quite a bit of rainfall is typical. Around 165 mm (6.5 in) falls on average.
Rainfall in Triesen in September
Historically, the month has about 14 days of rain, averaging 165 mm (6.5 in) in total. Individual showers can be quite heavy this month. A proper umbrella or rain jacket is worth having.
Temperature in Triesen in September
If you're visiting Triesen in September, expect highs of 17°C (63°F) and overnight lows around 7°C (45°F). The difference between afternoon and evening temperatures is usually noticeable. Nights fall to 7°C (45°F), which is cold enough to feel it indoors too. A good thick duvet makes all the difference for a comfortable night's sleep.
Sunshine in Triesen in September
The area experiences a moderate amount of sunshine, with approximately 145 hours of sunlight expected. This means a decent mix of sun and overcast.If your ideal day consists of dry skies and pleasant temperatures, July, August and September typically offer the best circumstances for Triesen.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Liechtenstein, check out our Triesen's climate page.
Triesen Temperature in September
Min Temperature
7°C (45°F)
Max Temperature
17°C (63°F)
Chance of Rain
47%
Precipitation
165 mm (6.5 in)
Rainy days
14 days
Humidity
77% *
Sunshine
145 hours *
Percentage Sunshine
*
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Triesen typically drop from around 21°C (70°F) at the start of September to approximately 18°C (64°F) by the end. Nights are cool, with lows typically ranging from 8°C (46°F) to 11°C (52°F).
Average temperatures in September
Daily Historical Precipitation
50-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in September
Historical weather for Triesen in September
Browse day-by-day weather records for Triesen spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Triesen historical weather extremes in September
The extremes listed below come from historical weather data collected in Triesen from 1976 through 2025.
- The hottest September day on record in Triesen reached 30°C (86°F) (September 17, 1987).
- Triesen experienced its chilliest September day on September 25, 2002, reaching only 6°C (43°F).
- Nighttime temperatures dropped to -4°C (25°F) on September 28, 1989, marking the coldest September night on record.
- The wettest day in September Triesen was on September 17, 2006 with 95 mm (3.7 in) of precipitation.
Best Places in Liechtenstein in September
Find out more about the weather in Liechtenstein and which places have the best travel conditions in this month. See all of Liechtenstein in September →
perfect weather
pleasant
tolerable
unpleasant
poor
What to Wear in Triesen in September
Pleasant temperatures in September mean you can pack light but flexibel pieces. Think cotton t-shirts, comfortable walking shorts, and one warmer layer for evenings. A light sweater or denim jacket works well. Heavy rain is guaranteed, please bring a good poncho and waterproof everything! Bring sunglasses since you'll have some sunny periods throughout the monthWhat To Do in Triesen in September
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Liechtenstein, check out our Triesen's climate page.
Temperature Rainfall Sunshine Humidity
See the full Triesen climate overview or explore weather in Liechtenstein.
