Nommern Weather in September
September in Nommern brings pleasant temperatures, with highs of 20°C (68°F) and nights dropping to 10°C (50°F). Rainfall is on the higher side this month, averaging around 67 mm (2.6 in), so keep a rain jacket handy.
Rainfall in Nommern in September
Records from the past 30 years suggest around 14 days of rain, with 67 mm (2.6 in) average for the month. 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 Nommern in September
September is one of the better months to visit Nommern. Expect 20°C (68°F) during the day and 10°C (50°F) at night. Temperatures can feel cooler in the morning and evening, so layering is often the best approach. Nights fall to 10°C (50°F), which is cold enough to feel it indoors too. A good thick duvet makes all the difference for a comfortable night's sleep.
Sunshine in Nommern in September
With about 172 hours of sunshine, the area enjoys a nice balance of sun and overcast, creating a pleasant environment.If you're a fan of comfortable temperatures and drier conditions, September is a great time to visit.
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 Nommern's climate page.
Nommern Temperature in September
Min Temperature
10°C (50°F)
Max Temperature
20°C (68°F)
Chance of Rain
45%
Precipitation
67 mm (2.6 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 Nommern 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 Nommern in September
Browse day-by-day weather records for Nommern spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Nommern historical weather extremes in September
According to our 49 years of weather records for Nommern, the following extremes were recorded between 1976 and 2025.
- Nommern recorded its highest September temperature of 33°C (91°F) on September 15, 2020.
- Nommern experienced its chilliest September day on September 21, 1977, reaching only 9°C (48°F).
- The coldest night in September in Nommern was on September 20, 1978, 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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What to Wear in Nommern 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 Nommern 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 Nommern's climate page.
Temperature Rainfall Sunshine Humidity
See the full Nommern climate overview or explore weather in Luxembourg.
