Trier weather in September
Mild and comfortable, with occasional showers. Average highs of 21°C and lows of 12°C, with around 9 rainy days expected throughout the month.
While September isn't our top-rated month for Trier, it has its own appeal — typically lower prices, fewer crowds, and a more local feel.
Average high
21°C
Average low
12°C
Rainy days
9 days
Best months to visit
June, July, August
What to do in Trier in September
Whatever the weather, Trier rewards curious visitors. Here are some of the best ways to spend your time:
Tour medieval architecture
Pub crawl local beer halls
Explore castles and ramparts
River boat tours
Hike Black Forest or Harz trails
Visit museums and galleries
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
6C
Cold, with regular rainfall.
February
8C
Cold, with some rainy days.
March
11C
Cool, with some rainy days.
April
15C
Cool, with some rainy days.
May
19C
Mild and comfortable, with some rainy days.
Recommended
June
23C
Mild and comfortable, with some rainy days.
Recommended
July
25C
Warm and pleasant, with some rainy days.
Recommended
August
24C
Mild and comfortable, with some rainy days.
September (you are here)
21C
Mild and comfortable, with occasional showers.
October
16C
Cool, with some rainy days.
November
10C
Cool, with some rainy days.
December
7C
Cold, with regular rainfall.
Book your September trip to Trier
Find hotels, tours and experiences for the perfect escape.
