When to go · Luxembourg City
Luxembourg City in September
Great month. Mild; good walking.
Key facts
- Verdict
- Great
- Temperature
- 20°C (68°F)68°F (20°C) / 10°C (50°F)50°F (10°C)
- average high / low
- Rain days
- 10
- Crowds
- Medium
- Luxembourg overall
- Prices
- Medium
- Luxembourg overall
Verdict
Mild; good walking.
All twelve months in one grid — weather, crowds and prices, with gaps left as unknown.
Is another month better than September?
No other month rates higher than September for Luxembourg City in this guide.
Weather in September
- Luxembourg CityHighs around 20 °C (68 °F), lows around 10 °C (50 °F), rain on about 10 daysHighs around 68 °F (20 °C), lows around 50 °F (10 °C), rain on about 10 days
- Luxembourg City and the Gutland, Luxembourg · Capital, Moselle valley, Müllerthalbest weather
Mild and damp; the Moselle is the warmest corner, with grape harvest in September–October.
Autumn season
Autumn colour and the Schueberfouer.
Watch: Wet and grey in November.
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 · Glacis
A large funfair with rides and stalls.
Crowds and prices
- Crowds · Luxembourg overall
- Medium
- Prices · Luxembourg overall
- Medium
Luxembourg overall: Wine festivals on the Moselle; harvest begins.
Compare two months
Weather, crowds and prices for any two months in Luxembourg City, side by side.
Verdict
Sep: Great
May: Great
Daytime high
Sep: 20 °C (68 °F)68 °F (20 °C)
May: 19 °C (66 °F)66 °F (19 °C)
Night low
Sep: 10 °C (50 °F)50 °F (10 °C)
May: 8 °C (46 °F)46 °F (8 °C)
Rain days
Sep: 10 (better)
May: 12
Crowds
Sep: Medium
May: Medium
Prices
Sep: Medium
May: Medium
Festivals listed
Sep: 1
May: 1
September: Mild; good walking.
May: Green and mild; long days.
Luxembourg City: figures are long-term averages from this guide, not a forecast.
What to pack
- A warm layer for the evenings
- A rain jacket or umbrella and shoes that dry fast