September weather forecast
Andorra

In Andorra, September marks the beginning of the transition from summer to autumn. Higher altitudes, such as the Pic de Coma Pedrosa, start to cool down faster than the lower valleys, including the capital city Andorra la Vella. Throughout September, average temperatures across the country decrease, ranging from 8°C (46.4°F) to 22°C (71.6°F).

Rainfall in September increases compared to the drier summer months, as more frequent showers begin to occur. These showers contribute to the transformation of the landscape, with leaves beginning to change color and autumnal hues taking over. Despite the increased rainfall, there are still many sunny days, making September an excellent month for outdoor activities such as hiking and mountain biking.

Compared to August, September sees a noticeable decrease in temperature and an increase in rainfall, signaling the arrival of autumn. The weather continues to cool and becomes increasingly wet as September moves into October, marking a clear shift towards the cooler, more variable conditions of the autumn season in Andorra.

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• Andorra la Vella - September »
  In Andorra la Vella, during September, the rain falls for 13.9 days and regularly aggregates up to 54mm (2.13") of precipitation. September offers a respite from the scorching summer heat in Andorra la Vella with temperatures reducing to an average high of 16.3°C (61.3°F) from 20.6°C (69.1°F) in August.
• Canillo - September »
  In Canillo in September, during 3.5 rainfall days, 6mm (0.24") of precipitation is typically accumulated. In Canillo, in September, snow falls for 0.2 days, with typically accumulated 11mm (0.43") of snow.
• Soldeu - September »
  In Soldeu in September, during 0.2 snowfall days, 11mm (0.43") of snow is typically accumulated. In Soldeu, in September, it is raining for 3.5 days, with typically 6mm (0.24") of accumulated precipitation.
• El Tarter - September »
  In El Tarter in September, during 0.2 snowfall days, 11mm (0.43") of snow is typically accumulated. In El Tarter, in September, during 0.2 snowfall days, 11mm (0.43") of snow is typically accumulated.
• Pal - September »
  In Pal in September, snow falls for 0.4 days, with typically accumulated 35mm (1.38") of snow. In Pal in September, it is raining for 14.1 days, with typically 46mm (1.81") of accumulated precipitation.
• Arinsal - September »
  In Arinsal, in September, snow falls for 0.4 days, with typically accumulated 35mm (1.38") of snow. In Arinsal, during September, snow falls for 0.4 days and regularly aggregates up to 35mm (1.38") of snow.