Leukerbad Weather in September
September in Leukerbad averages 14°C (57°F) during the day and 3°C (37°F) at night. Quite a bit of rainfall is typical this month, with around 132 mm (5.2 in) on average. An umbrella is a good idea.
Rainfall in Leukerbad in September
On average, there are about 15 days with rain during this month, averaging 132 mm (5.2 in). Expect frequent rainfall this month, and not just light drizzle. When it rains, it tends to come down hard.
Temperature in Leukerbad in September
If you're visiting Leukerbad in September, expect highs of 14°C (57°F) and overnight lows around 3°C (37°F). A light jacket or extra layer can be useful, especially outside the warmest hours of the day. With overnight lows of 3°C (37°F), nights are cold. The cold air does make for deep, comfortable sleep if you have enough blankets.
Sunshine in Leukerbad in September
The month enjoys around 210 hours of sunshine, creating mostly sunny days despite the cool temperatures.If you prefer dry days with pleasant temperatures, July and August typically offer the best circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Switzerland, check out our Leukerbad's climate page.
Leukerbad Temperature in September
Min Temperature
3°C (37°F)
Max Temperature
14°C (57°F)
Chance of Rain
50%
Precipitation
132 mm (5.2 in)
Rainy days
15 days
Humidity
71% *
Sunshine
210 hours *
Percentage Sunshine
65% *
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Leukerbad typically drop from around 19°C (66°F) at the start of September to approximately 16°C (61°F) by the end. Nights are cold, with lows typically ranging from 5°C (41°F) to 9°C (48°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 Leukerbad in September
Browse day-by-day weather records for Leukerbad spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Leukerbad historical weather extremes in September
Our historical data for Leukerbad spans 1976 to 2025, revealing these weather extremes.
- Leukerbad recorded its highest September temperature of 31°C (88°F) on September 14, 1987.
- On September 26, 2020, Leukerbad saw its coldest September day with temperatures maxing out at 2°C (36°F).
- Nighttime temperatures dropped to -12°C (10°F) on September 29, 1995, marking the coldest September night on record.
- Peak precipitation in September occurred on September 2, 2004, when 65 mm (2.6 in) of precipitation was measured.
Best Places in Switzerland in September
Find out more about the weather in Switzerland and which places have the best travel conditions in this month. See all of Switzerland in September →
perfect weather
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tolerable
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What to Wear in Leukerbad in September
The weather can swing between comfortable and chilly in September, so flexibility is key. Pack a variety of tops, at least one warm layer, and both shorts and long pants. This gives you options no matter what the day brings. Expect heavy rainfall, so bring good rain protection and waterproof bags. Don't forget sun protection, sunglasses, sunscreen, and a hat. These are all good ideas with this much sunshine.What To Do in Leukerbad 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 Switzerland, check out our Leukerbad's climate page.
Temperature Rainfall Sunshine Humidity
See the full Leukerbad climate overview or explore weather in Switzerland.
