Typically, the start of autumn in this Swiss alpine village brings crisp, cool air and sunny days. Average daytime temperatures hover around 15C (59F), dropping to around 5C (41F) at night. September generally marks the end of the summer hiking season and the beginning of the autumn foliage season. Clear skies offer stunning views of the Matterhorn, though occasional early snowfalls at higher elevations are possible.
Understanding the prevailing climatic conditions during this period is crucial for planning a visit. Pleasant daytime temperatures allow for comfortable exploration of the village and lower trails, while cooler nights necessitate appropriate layering. The transition between seasons offers a unique landscape, blending the lush greenery of summer with the first touches of autumnal color. Historically, September has represented a quieter time in Zermatt, offering a more tranquil experience compared to the peak summer months.