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Strassen Weather in September
September in Strassen averages 20°C (68°F) during the day and 10°C (50°F) at night. Quite a bit of rainfall is typical this month, with around 70 mm (2.8 in) on average. An umbrella is a good idea.
Rainfall in Strassen in September
Historically, the month has about 13 days of rain, averaging 70 mm (2.8 in) in total. The rainfall pattern this month is fairly balanced. Showers tend to be moderate rather than extreme.
Temperature in Strassen in September
Strassen has excellent weather in September, with days reaching 20°C (68°F) and nights cooling to 10°C (50°F). Temperatures can feel cooler in the morning and evening, so layering is often the best approach. Nights drop to around 10°C (50°F), which is noticeably cooler than the daytime. A light jacket for the evening is a sensible addition, and the cool nights tend to make sleeping comfortable.
Sunshine in Strassen in September
With about 172 hours of sunshine, the area enjoys a nice balance of sun and overcast, creating a pleasant environment.So this is a great month to visit if you prefer dry days with pleasant temperatures.
Strassen Temperature in September
Min Temperature
10°C (50°F)
Max Temperature
20°C (68°F)
Chance of Rain
44%
Precipitation
70 mm (2.8 in)
Rainy days
13 days
Humidity
76% *
Sunshine
172 hours *
Percentage Sunshine
42% *
* Data from: Luxembourg, Luxembourg (10 KM, 6 Miles).
Strassen Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Strassen - and find the best time to visit.
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Strassen 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 records for Strassen in September
Browse day-by-day weather records for Strassen spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Strassen historical weather extremes in September
Based on 50 years of weather observations in Strassen between 1976 and 2026, these are the recorded extremes.
- The hottest September day on record in Strassen reached 32°C (90°F) (September 15, 2020).
- The lowest daytime temperature in September was 9°C (48°F), recorded on September 26, 2010.
- Strassen registered its coldest September night on September 20, 1978, with temperatures dropping to 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
pleasant
tolerable
unpleasant
poor
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).
What to Wear in Strassen in September
For Strassen 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. Rain is likely on several days, so bring a good rain jacket. It won't hurt to bring your sunglasses along, as you'll see some sunny periods.
What To Do in Strassen in September
We rated the following activities from 1 (least suitable) to 10 (best) to do.
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Swimming6/10 -
Cycling10/10 -
Walking10/10 -
Barbeque7/10 -
Camping8/10 -
Outdoor sports10/10
Strassen 3-Day Forecast
More climate data for Strassen
Temperature Rainfall Sunshine Humidity
See the full Strassen climate overview or explore weather in Luxembourg.
Popular in September
Where to go in September - average daytime high across popular destinations.
Mondorf-les-Bains
20°C (68°F) Remich20°C (68°F) Luxembourg20°C (68°F) Berdorf20°C (68°F) Vianden19°C (66°F) Echternach20°C (68°F) Clervaux19°C (66°F) Enscherange19°C (66°F) Bucket list
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