Weather in Großherzogtum Luxemburg in September
Country-wide climate normals across 15 cities in Großherzogtum Luxemburg.
How Hot Is Großherzogtum Luxemburg in September?
Mild conditions are universal across Großherzogtum Luxemburg in September: highs near 19°C in Luxembourg, similar elsewhere.
Sunshine in Großherzogtum Luxemburg in September
Großherzogtum Luxemburg's September brings mixed skies — Luxembourg averages 4.2h of sun, with similar conditions nationwide. Cloudy periods alternate with sunny stretches, and the sun is up between 7:10 am and 7:45 pm. Plan for variability rather than guaranteed sunshine.
Does It Rain In Großherzogtum Luxemburg In September?
Großherzogtum Luxemburg sees moderate rainfall in September — Luxembourg averages 73mm across 10 days, with notable regional variation. Coastal cities often see more rain than the inland average, while drier regions see less. The country's September weather mixes sunny stretches with regular shower spells.
Is Großherzogtum Luxemburg Humid In September?
Großherzogtum Luxemburg is enveloped in tropical-thick humidity through September: Luxembourg averages 76%, and most of the country tracks similarly. The constant moisture makes warm temperatures feel substantially hotter, and even nights bring limited cooling. Light cotton clothing is essential.
Wind In Großherzogtum Luxemburg In September
Großherzogtum Luxemburg's September has gentle wind — Luxembourg averages 16 kph, and the country tracks similarly. Outdoor activity is comfortable, and afternoon thermals add a pleasant breeze in inland areas.
Cloud Cover In Großherzogtum Luxemburg In September
Cloudy skies dominate Großherzogtum Luxemburg in September — 57% cover in Luxembourg, with similar overcast conditions in most regions. Direct sun is patchy and broken; expect grey stretches between brief bright moments. Coastal areas may be heavier than inland.