When to go · Luxembourg
Luxembourg in September
Great month. Wine festivals on the Moselle; harvest begins.
Key facts
- Verdict
- Great
- Crowds
- Medium
- Luxembourg
- Prices
- Medium
- Luxembourg
Verdict
Wine festivals on the Moselle; harvest begins.
Is another month better than September?
No other month rates higher than September for Luxembourg in this guide.
Weather in September
- Luxembourg City and the Gutland · Capital, Moselle valley, Müllerthalbest weather
Mild and damp; the Moselle is the warmest corner, with grape harvest in September–October.
- Éislek (Ardennes) · Vianden, Clervaux, Wiltzbest weather
Colder and wetter uplands; snow some winters; autumn colours in October.
- Central Luxembourg: Luxembourg City / Guttland · capital and the belt of towns around itfine
Continental pattern: cold winters with occasional snow, warm summers. May–September is the comfortable window; December brings the Christmas markets.
- Éislek: Éislek / Ardennes · Northern Luxembourg hillsfine
Higher and wetter than the south; check trail conditions in winter and expect mist in the valleys on many mornings.
- Moselle Valley: Moselle Valley · River terraces from Schengen to Wasserbilligbest weather
Vineyard slopes warm early; May–October is the season for cellar tours and river boats. July–August can hit 30 °C (86 °F)+; winter villages are quiet with most cellars closed.Vineyard slopes warm early; May–October is the season for cellar tours and river boats. July–August can hit 86 °F (30 °C)+; winter villages are quiet with most cellars closed.
- Mullerthal: Mullerthal / Echternach · Eastern Luxembourg sandstone plateaubest weather
Best April to October. July and August are warmest and busiest; autumn leaves and spring are quieter. Rock paths can be icy in winter.
- Luxembourg City20 °C (68 °F) / 10 °C (50 °F), 10 rain days68 °F (20 °C) / 50 °F (10 °C), 10 rain days
- Beaufort20 °C (68 °F) / 12 °C (54 °F), 10 rain days68 °F (20 °C) / 54 °F (12 °C), 10 rain days
- Berdorf20 °C (68 °F) / 11 °C (52 °F), 9 rain days68 °F (20 °C) / 52 °F (11 °C), 9 rain days
- Clervaux21 °C (70 °F) / 12 °C (54 °F), 7 rain days70 °F (21 °C) / 54 °F (12 °C), 7 rain days
- Consdorf20 °C (68 °F) / 12 °C (54 °F), 7 rain days68 °F (20 °C) / 54 °F (12 °C), 7 rain days
- Diekirch19 °C (66 °F) / 10 °C (50 °F), 10 rain days66 °F (19 °C) / 50 °F (10 °C), 10 rain days
- Echternach19 °C (66 °F) / 10 °C (50 °F), 9 rain days66 °F (19 °C) / 50 °F (10 °C), 9 rain days
- Esch-sur-Sûre21 °C (70 °F) / 12 °C (54 °F), 7 rain days70 °F (21 °C) / 54 °F (12 °C), 7 rain days
- Ettelbruck21 °C (70 °F) / 12 °C (54 °F), 8 rain days70 °F (21 °C) / 54 °F (12 °C), 8 rain days
- Grevenmacher20 °C (68 °F) / 12 °C (54 °F), 8 rain days68 °F (20 °C) / 54 °F (12 °C), 8 rain days
- Larochette21 °C (70 °F) / 12 °C (54 °F), 8 rain days70 °F (21 °C) / 54 °F (12 °C), 8 rain days
- Mersch19 °C (66 °F) / 10 °C (50 °F), 12 rain days66 °F (19 °C) / 50 °F (10 °C), 12 rain days
- Mondorf-les-Bains20 °C (68 °F) / 10 °C (50 °F), 9 rain days68 °F (20 °C) / 50 °F (10 °C), 9 rain days
- Remich20 °C (68 °F) / 10 °C (50 °F), 9 rain days68 °F (20 °C) / 50 °F (10 °C), 9 rain days
- Schengen19 °C (66 °F) / 10 °C (50 °F), 8 rain days66 °F (19 °C) / 50 °F (10 °C), 8 rain days
- Troisvierges20 °C (68 °F) / 11 °C (52 °F), 9 rain days68 °F (20 °C) / 52 °F (11 °C), 9 rain days
- Vianden19 °C (66 °F) / 10 °C (50 °F), 10 rain days66 °F (19 °C) / 50 °F (10 °C), 10 rain days
- Wasserbillig20 °C (68 °F) / 10 °C (50 °F), 9 rain days68 °F (20 °C) / 50 °F (10 °C), 9 rain days
- Wiltz18 °C (64 °F) / 9 °C (48 °F), 11 rain days64 °F (18 °C) / 48 °F (9 °C), 11 rain days
Festivals and holidays
Dates as our data lists them. Moving holidays (lunar and Islamic calendars, Easter) shift every year: check the date for your year before you build a trip on it.
Schueberfouer check
Late Aug – Sept · Luxembourg City
A large funfair with rides and stalls.
Crowds and prices
- Crowds · Luxembourg
- Medium
- Prices · Luxembourg
- Medium
Compare two months
Weather, crowds and prices for any two months in Luxembourg, side by side.
Verdict
Sep: Great
May: Great
Crowds
Sep: Medium
May: Medium
Prices
Sep: Medium
May: Medium
Festivals listed
Sep: 1
May: 4
September: Wine festivals on the Moselle; harvest begins.
May: Green and mild; Echternach's dancing procession on Whit Tuesday (UNESCO).
Luxembourg: figures are long-term averages from this guide, not a forecast.
What to pack
Nothing unusual for the weather this month.
Where to go in September
Rated best or good this month
Luxembourg City and the Gutland
Best weather of the year (Capital, Moselle valley, Müllerthal)
Éislek (Ardennes)
Best weather of the year (Vianden, Clervaux, Wiltz)
Mild; good walking.
Best months: Apr–Oct
Best months: Apr–Oct
Best months: Mar–Dec (exhibition closed Mondays – check)
Best months: Apr–Oct
Best months: May–Sep; Dec for the Christmas market
Best months: Apr–Oct
Best months: Jun–Sep
Best months: May–Sep
Best months: May–Oct