Asselborn Weather in September
Thinking of visiting Asselborn in September? Expect pleasant temperatures reaching 18°C (64°F) during the day, dropping to 9°C (48°F) at night, and note that quite a bit of rainfall is likely.
Rainfall in Asselborn in September
Records from the past 30 years suggest around 16 days of rain, with 80 mm (3.1 in) average for the month. Rain falls on many days this month, but usually in relatively small amounts. A light waterproof is more useful than a heavy umbrella.
Temperature in Asselborn in September
Daytime temperatures in Asselborn reach 18°C (64°F) in September, dropping to 9°C (48°F) at night. Conditions are often most pleasant around the middle of the day. With lows around 9°C (48°F), nights are cold. The upside is that cool, crisp nights are often the best for a deep sleep.
Sunshine in Asselborn in September
The area enjoys a balanced 160 hours of sunlight, ensuring it's neither too overcast nor too sunny.If you prefer dry days with pleasant temperatures, June, 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 Luxembourg, check out our Asselborn's climate page.
Asselborn Temperature in September
Min Temperature
9°C (48°F)
Max Temperature
18°C (64°F)
Chance of Rain
54%
Precipitation
80 mm (3.1 in)
Rainy days
16 days
Humidity
88% *
Sunshine
160 hours *
Percentage Sunshine
*
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Asselborn typically drop from around 19°C (66°F) at the start of September to approximately 16°C (61°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 Asselborn in September
Browse day-by-day weather records for Asselborn spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Asselborn historical weather extremes in September
Based on weather observations in Asselborn between 1976 and 2025, these are the recorded extremes during September.
- Asselborn recorded its highest September temperature of 31°C (88°F) on September 15, 2020.
- The coldest September day was on September 25, 2025, with a maximum of 8°C (46°F).
- The lowest overnight temperature recorded in September was 0°C (32°F) (September 6, 1993).
Best Places in Luxembourg in September
Find out more about the weather in Luxembourg and which places have the best travel conditions in this month. See all of Luxembourg in September →
perfect weather
pleasant
tolerable
unpleasant
poor
What to Wear in Asselborn in September
For Asselborn in September, you'll want flexible clothing. It's wise to pack cotton shirts, comfortable shorts, and a pair of jeans for cooler evenings. A light sweater or jacket is useful for air-conditioned spaces (like buses) or unexpected cool moments. High rain levels are expected, so pack waterproof gear and an umbrella or poncho. Bring sunglasses since you'll have some sunny periods throughout the monthWhat To Do in Asselborn 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 Luxembourg, check out our Asselborn's climate page.
Temperature Rainfall Sunshine Humidity
See the full Asselborn climate overview or explore weather in Luxembourg.
