Esch-sur-Alzette Weather in September
With daytime temperatures of 20°C (68°F) and nighttime lows of 10°C (50°F), September in Esch-sur-Alzette brings pleasant temperatures during the day. Do keep in mind that quite a bit of rainfall is typical. Around 72 mm (2.8 in) falls on average.
Rainfall in Esch-sur-Alzette in September
On average, there are about 13 days with rain during this month, averaging 72 mm (2.8 in). The rainfall pattern this month is fairly balanced. Showers tend to be moderate rather than extreme.
Temperature in Esch-sur-Alzette in September
September tends to be one of the perfect months in Esch-sur-Alzette, with 20°C (68°F) in the afternoon and 10°C (50°F) overnight. A light jacket or extra layer can be useful, especially outside the warmest hours of the day. With overnight lows of 10°C (50°F), evenings can feel noticeably cooler than the daytime. An extra layer is a good idea, though the cool air makes for a good night's sleep.
Sunshine in Esch-sur-Alzette in September
The city usually sees around 172 hours of sunlight, indicating a moderately sunny period.Our weather planner can help you find worldwide destinations with pleasant weather during this period. June, July, August and September typically offer the best weather for Esch-sur-Alzette.
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 Esch-sur-Alzette's climate page.
Esch-sur-Alzette Temperature in September
Min Temperature
10°C (50°F)
Max Temperature
20°C (68°F)
Chance of Rain
43%
Precipitation
72 mm (2.8 in)
Rainy days
13 days
Humidity
76% *
Sunshine
172 hours *
Percentage Sunshine
42% *
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Esch-sur-Alzette 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 Esch-sur-Alzette in September
Browse day-by-day weather records for Esch-sur-Alzette spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Esch-sur-Alzette historical weather extremes in September
Based on 49 years of weather observations in Esch-sur-Alzette between 1976 and 2025, these are the recorded extremes.
- Esch-sur-Alzette recorded its highest September temperature of 33°C (91°F) on September 15, 2020.
- Esch-sur-Alzette experienced its chilliest September day on September 30, 1978, reaching only 9°C (48°F).
- Nighttime temperatures dropped to 2°C (36°F) on September 20, 1978, marking the coldest September night on record.
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 Esch-sur-Alzette in September
For Esch-sur-Alzette 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. Sunglasses could come in handy during the sunnier parts of your trip.What To Do in Esch-sur-Alzette 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 Esch-sur-Alzette's climate page.
Temperature Rainfall Sunshine Humidity
See the full Esch-sur-Alzette climate overview or explore weather in Luxembourg.
