Bettel Weather in September
Bettel in September sees pleasant daytime temperatures of 19°C (66°F) and nighttime lows of 10°C (50°F). Rainfall is fairly high this month at around 68 mm (2.7 in), so pack a rain jacket to stay dry.
Rainfall in Bettel in September
Historically, the month has about 14 days of rain, averaging 68 mm (2.7 in) in total. Neither particularly heavy nor particularly frequent, the rain this month is about average. A light jacket should be enough on most wet days.
Temperature in Bettel in September
Bettel in September gets highs of 19°C (66°F) during the day and drops to 10°C (50°F) at night. Conditions are often most pleasant around the middle of the day. Nights drop to 10°C (50°F). Cold nights like these are actually great for sleeping well, as long as you have a warm enough duvet.
Sunshine in Bettel in September
The month brings about 172 hours of sunlight, offering a comfortable mix of sun and overcast.If you prefer enjoying temperate temperatures and rain-free days, 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 Bettel's climate page.
Bettel Temperature in September
Min Temperature
10°C (50°F)
Max Temperature
19°C (66°F)
Chance of Rain
48%
Precipitation
68 mm (2.7 in)
Rainy days
14 days
Humidity
76% *
Sunshine
172 hours *
Percentage Sunshine
42% *
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Bettel typically drop from around 20°C (68°F) at the start of September to approximately 17°C (63°F) by the end. Nights are cool, with lows typically ranging from 9°C (48°F) to 12°C (54°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 Bettel in September
Browse day-by-day weather records for Bettel spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Bettel historical weather extremes in September
According to our 49 years of weather records for Bettel, the following extremes were recorded between 1976 and 2025.
- The hottest September day on record in Bettel reached 33°C (91°F) (September 15, 2020).
- The lowest daytime temperature in September was 9°C (48°F), recorded on September 21, 1977.
- The coldest night in September in Bettel was on September 30, 2022, with a minimum of 2°C (36°F).
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
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tolerable
unpleasant
poor
What to Wear in Bettel 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. Rain gear is recommended, you can expect wet weather on multiple days. It won't hurt to bring your sunglasses along, as you'll see some sunny periods.What To Do in Bettel 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 Bettel's climate page.
Temperature Rainfall Sunshine Humidity
See the full Bettel climate overview or explore weather in Luxembourg.
