Strasbourg, France, experiences a transition from summer to autumn during September. Typically, daytime temperatures range from a comfortable 15-20C (59-68F), gradually decreasing as the month progresses. Nights become cooler, often dipping to 8-13C (46-55F). Rainfall is moderate and relatively evenly distributed throughout the month. Sunshine hours decrease compared to the summer months, but periods of bright, crisp autumnal days are still common.
Understanding the typical climatic conditions of Strasbourg in September is beneficial for travelers planning a visit. Packing layers of clothing allows for adapting to fluctuating temperatures throughout the day and into the evening. The pleasant weather is ideal for exploring the city’s historical center, enjoying outdoor activities like cycling along the canals, or visiting the nearby vineyards during the harvest season. Historically, September marked the end of the main tourist season, offering a less crowded experience for those seeking a more tranquil exploration of Alsatian culture and heritage.