Triesenberg Weather in September
With daytime temperatures of 17°C (63°F) and nighttime lows of 7°C (45°F), September in Triesenberg 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 Triesenberg in September
On average, there are about 14 days with rain during this month, averaging 165 mm (6.5 in). Individual showers can be quite heavy this month. A proper umbrella or rain jacket is worth having.
Temperature in Triesenberg in September
In September, expect moderate temperatures in Triesenberg, with highs of 17°C (63°F) and lows of 7°C (45°F) at night. This creates a mild day-to-night pattern that is generally easy to manage with the right clothing. 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 Triesenberg in September
The month experiences a moderate amount of sunlight, with 145 hours of sunshine. This provides a nice balance between sunshine and clouds.If you're a fan of comfortable temperatures and drier conditions, September is a great time to visit.
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 Triesenberg's climate page.
Triesenberg 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 Triesenberg 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 Triesenberg in September
Browse day-by-day weather records for Triesenberg spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Triesenberg historical weather extremes in September
Our historical data for Triesenberg spans 1976 to 2025, revealing these weather extremes.
- Triesenberg recorded its highest September temperature of 31°C (88°F) on September 17, 1987.
- Triesenberg experienced its chilliest September day on September 25, 2002, reaching only 6°C (43°F).
- Triesenberg registered its coldest September night on September 28, 1989, with temperatures dropping to -4°C (25°F).
- The wettest day in September Triesenberg 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 →
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What to Wear in Triesenberg in September
Comfortable temperatures call for an easy wardrobe in September. Pack summer basics like t-shirts and shorts, but include a light jacket for cooler moments. A pair of comfortable walking shoes is essential. It's going to pour! Pack a good poncho and prepare for very wet conditions. It won't hurt to bring your sunglasses along, as you'll see some sunny periods.What To Do in Triesenberg 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 Triesenberg's climate page.
Temperature Rainfall Sunshine Humidity
See the full Triesenberg climate overview or explore weather in Liechtenstein.
