Luxembourg City weather in September
Mild and comfortable, with occasional showers. Average highs of 20°C and lows of 11°C, with around 8 rainy days expected throughout the month.
While September isn't our top-rated month for Luxembourg City, it has its own appeal — typically lower prices, fewer crowds, and a more local feel.
Average high
20°C
Average low
11°C
Rainy days
8 days
Best months to visit
July, August
What to do in Luxembourg City in September
Whatever the weather, Luxembourg City rewards curious visitors. Here are some of the best ways to spend your time:
Old Town walking and fortification exploration
Chemin de la Corniche scenic walk
Cathedral and church visits
Museum visits covering history and art
Gorge views and photography
Luxembourg Museum of History and Art
What to pack for September
Light layers work well — T-shirts and shorts for the day, a light jacket for evenings. Comfortable walking shoes are a must. Bring a compact umbrella just in case.
Browse other months
January
5C
Cold, with regular rainfall.
February
7C
Cold, with some rainy days.
March
10C
Cool, with some rainy days.
April
14C
Cool, with some rainy days.
May
17C
Cool, with some rainy days.
June
22C
Mild and comfortable, with some rainy days.
Recommended
July
23C
Mild and comfortable, with occasional showers.
Recommended
August
23C
Mild and comfortable, with some rainy days.
September (you are here)
20C
Mild and comfortable, with occasional showers.
October
15C
Cool, with some rainy days.
November
9C
Cold, with some rainy days.
December
6C
Cold, with regular rainfall.
Book your September trip to Luxembourg City
Find hotels, tours and experiences for the perfect escape.
