September weather forecast
Luxembourg

September in Luxembourg marks the onset of autumn, bringing a noticeable decrease in temperatures compared to the summer months. During this month, temperatures typically range from 10°C (50°F) to 20°C (68°F). Luxembourg City, much like the rest of the country, starts to feel the cooler touch of autumn, while the Oesling region in the North experiences slightly lower temperatures due to its higher elevation.

Rainfall in September averages around 60mm (2.36"), similar to August. As the month progresses, however, the likelihood of rain increases, transitioning Luxembourg from the dry summer season to a wetter autumn. Despite the increased rainfall, there are still many clear, sunny days in September.

In comparison to August, September sees a decrease in temperature and daylight hours. The weather grows progressively cooler as the month progresses, and daylight hours shorten, indicating the gradual transition towards winter. Nonetheless, the relatively mild weather and the beginning of the autumn foliage provide a unique charm that continues to attract visitors to Luxembourg.

Looking forward to October, Luxembourg experiences further cooling, with temperatures typically ranging from 5°C (41°F) to 15°C (59°F). Precipitation levels remain relatively consistent, but the weather becomes more unpredictable, with an increased chance of rainy days. As the autumn season progresses, Luxembourg's landscapes transform into vibrant displays of red, orange, and yellow hues, offering stunning vistas and a unique appeal to the country.

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• Luxembourg City - September »
  On the last day of September, in Luxembourg City, sunrise is at 07:34 and sunset at 19:15 CEST. In Luxembourg City, during September, the rain falls for 12.6 days and regularly aggregates up to 76mm (2.99") of precipitation.
• Differdange - September »
  On the first day of September in Differdange, Luxembourg, sunrise is at 06:53 and sunset at 20:19. In Differdange in September, it is raining for 12.5 days, with typically 40mm (1.57") of accumulated precipitation.
• Dudelange - September »
  September marks the onset of autumn in Dudelange, Luxembourg and the weather starts to cool down from the summer highs to a maximum of 18.5°C (65.3°F). In Dudelange, snow does not fall in June through September.
• Ettelbruck - September »
  With temperatures oscillating from 17.5°C (63.5°F) to 8.5°C (47.3°F), September in Ettelbruck witnesses the transition from summer to autumn. In September, in Ettelbruck, the rain falls for 13.1 days.
• Diekirch - September »
  On the last day of September, in Diekirch, Luxembourg, sunrise is at 07:34 and sunset at 19:15 CEST. In September, in Diekirch, Luxembourg, the rain falls for 14.1 days.
• Wiltz - September »
  On the first day of September in Wiltz, sunrise is at 06:52 and sunset at 20:20. In Wiltz, in September, it is raining for 14.1 days, with typically 38mm (1.5") of accumulated precipitation.
• Grevenmacher - September »
  In Grevenmacher, in September, it is raining for 9.6 days, with typically 26mm (1.02") of accumulated precipitation. In Grevenmacher, in September, it is raining for 9.6 days, with typically 26mm (1.02") of accumulated precipitation.
• Remich - September »
  On the last day of September, in Remich, sunrise is at 07:33 and sunset at 19:15 CEST. In Remich snow does not fall in June through September.
• Vianden - September »
  On the first day of September in Vianden sunrise is at 06:51 and sunset at 20:18. In Vianden, Luxembourg, in September, during 14.1 rainfall days, 38mm (1.5") of precipitation is typically accumulated.
• Echternach - September »
  On the first day of September in Echternach, Luxembourg, sunrise is at 06:50 and sunset at 20:17. In Echternach, Luxembourg, snow does not fall in May through September.