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September is a great time to visit Aachen. The weather is usually mildly cool and breezy, with temperatures ranging from 49—68°F (10—20°C). There are plenty of events to check out and activities to try in Aachen during this time. Some of our top recommendations: take a guided tour of Aachen Cathedral, take a leisurely stroll through Aachen's parks and gardens, take a day trip to the Eifel National Park, and more!
Aachen has plenty to offer for visitors of all ages and interests. In this article, we tell you the top things to see and do for your September trip to Aachen. Get inspired by the events, activities, attractions, and experiences unique to September. We’ll let you know where to explore events based on your interests, whether that’s food, culture, art, music, sport or others.
We’ll let you know everything you need to prepare for the weather in Aachen in September. Learn about what to wear and pack for your trip, the average temperatures throughout September, temperature changes from morning to evening and much more.
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The average temperature in Aachen in September for a typical day ranges from a high of 68°F (20°C) to a low of 49°F (10°C). Some would describe the temperature to be mildly cool. The general area may also feel breezy.
For comparison, the hottest month in Aachen, July, has days with highs of 75°F (24°C) and lows of 55°F (13°C). The coldest month, February has days with highs of 42°F (5°C) and lows of 29°F (-1°C). This graph shows how an average day looks like in Aachen in September based on historical data.
Visiting Aachen? See our Aachen Trip Planner.
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It depends on when you visit! We've compiled data from NASA on what the weather is like in Aachen for each month of the year: see the links below for more information.
Get inspired for your trip to Aachen with our curated itineraries that are jam-packed with popular attractions everyday! Check them out here:
