September weather forecast
San Marino

September marks the beginning of autumn in San Marino, bringing with it a gradual decrease in temperature. Average temperatures during this time range from 14°C (57.2°F) to 25°C (77°F), offering mild and comfortable weather conditions. While the heat of summer subsides, the days remain relatively warm, with cooler mornings and evenings.

The average precipitation in September is around 70mm (2.76"), which is slightly higher than that in August. Rainfall, often occurring in brief showers, is spread evenly throughout the month. Despite the increased precipitation, the overall climate remains warm and pleasant.

Compared to August, September experiences a drop in temperature, signifying the onset of autumn. The days start to become shorter, and the sunlight less intense, although it's still warm enough for outdoor activities. This mild weather continues into October, with temperatures continuing to drop and rainfall increasing slightly.

Cities in San Marino, including the capital city also named San Marino, align with the overall weather patterns of the country. However, the capital, situated atop Monte Titano, may experience slightly cooler temperatures due to its altitude. On the other hand, the coastal town of Rimini, located outside San Marino in Italy, experiences marginally warmer temperatures moderated by the Adriatic Sea. As September progresses, the beach season in Rimini gradually comes to an end, coinciding with the start of autumn.

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• Città di San Marino - September »
  On the last day of September, sunrise is at 07:07 and sunset at 18:52 CEST. In Città di San Marino, during September, the rain falls for 10 days and regularly aggregates up to 75mm (2.95") of precipitation.
• Serravalle - September »
  In Serravalle, during September, the rain falls for 11.5 days and regularly aggregates up to 46mm (1.81") of precipitation. In Serravalle in September, during 11.5 rainfall days, 46mm (1.81") of precipitation is typically accumulated.
• Borgo Maggiore - September »
  In Borgo Maggiore during September, the rain falls for 11.5 days and regularly aggregates up to 46mm (1.81") of precipitation. On the last day of September, in Borgo Maggiore, sunrise is at 07:07 and sunset at 18:52 CEST.
• Domagnano - September »
  In Domagnano, San Marino, in September, it is raining for 11.5 days, with typically 46mm (1.81") of accumulated precipitation. In Domagnano, in September, during 11.5 rainfall days, 46mm (1.81") of precipitation is typically accumulated.
• Fiorentino - September »
  In Fiorentino, during September, the rain falls for 11.5 days and regularly aggregates up to 46mm (1.81") of precipitation. Fiorentino's weather subtly changes with the onset of September, barely falling from 28.9°C (84°F) in August to a still warm 24.1°C (75.4°F).
• Acquaviva - September »
  With the commencement of September, Acquaviva records a moderate temperature decline, with the average high easing from August's 28.9°C (84°F) to a still moderately hot 24.1°C (75.4°F). On the first day of September in Acquaviva, sunrise is at 06:34 and sunset at 19:46.
• Faetano - September »
  In Faetano during September, the rain falls for 11.5 days and regularly aggregates up to 46mm (1.81") of precipitation. In September, in Faetano, the rain falls for 11.5 days.
• Falciano - September »
  The commencement of September in Falciano includes a gentle temperature shift, with the average high-temperature dropping a bit from a warm 28.9°C (84°F) in August to a still moderately hot 24.1°C (75.4°F). In Falciano, in September, it is raining for 11.5 days, with typically 46mm (1.81") of accumulated precipitation.