In September, the Via Francigena del Sud experiences a blend of sunny, rainy, and cloudy days across its multiple regions. Temperatures range significantly from mid-20s to low 30s °C during the day, with cooler nights dropping to mid-teens and low 20s °C. Rain is a persistent companion, with varying intensities from light drizzles to heavy showers. Some areas may encounter notable downpours interspersed with sunny intervals. Overall, the route promises a dynamic mix of weather conditions.
In Lazio, starting with Roma, September sees a mix of sunny days and periods of moderate to heavy rain showers. Daily highs hover between 23°C and 34°C, with rainfall reaching up to 8.6 mm on rainy days. As we progress towards Castel Gandolfo, the weather remains varied with showers and clear skies alternating frequently. Velletri follows a similar pattern with some heavy rain showers interspersed with clear sunny spells, where precipitation can reach up to 17.6 mm on wet days. Moving into Cori, the rain showers become more pronounced at times, though sunny breaks occasionally pierce through, with highs in the upper 20s °C.
Continuing through Sermoneta and Sezze, moderate to heavy rain showers are a bit more frequent, accompanied by periods of sunshine. Terracina and Fondi experience a notable instance of heavy rain at times, but instances of sun provide a respite. As hikers approach Minturno, the daily temperature remains consistent with the earlier part of the journey, yet the region remains susceptible to spurts of rain.
The weather in Campania begins with frequent rain showers as seen in Sessa Aurunca, where heavy rain episodes are noted. The patterns in Teano and Statigliano reflect moderate to heavy rain with highs ranging from 20°C to 34°C, showing some shifts in climate as one moves through these areas. Alife sees intermittent sunny spells amidst showers, where rainfall can be heavy on some days.
As the route leads into Faicchio and Telese Terme, hikers will occasionally encounter heavy showers. Continuing to Vitulano and Benevento, the weather manifests with periods of considerable rain and cloudy days, with some potential sunny spots mid-month. Buonalbergo maintains this pattern, alternating between rain showers and patches of sunshine.
Entering Apulia in Celle San Vito, expect periods of sunshine mingled with rain, exhibiting diverse precipitation levels. In towns like Troia and Castelluccio dei Sauri, brief spells of clear skies alternate with showers, similar to Ordona and Stornara, where rain is common yet frequently broken by sunny intervals.
Further along, Cerignola and Canosa offer weather of lighter rain with moments of sun. Andria and Corato provide periodic rain showers interspersed with sunny days, with highs in the mid-20s to low 30s °C. The coastal regions such as Bari, Mola di Bari, and Monopoli bring a mix of sunshine and rainfall, underscoring the climatic diversity of this region in September.
Approaching the end of the journey, the coastal locales including Torre Santa Sabina, Brindisi, and Torchiarolo present varied weather, with a mix of clear skies and significant rainfall events. As hikers conclude the Via Francigena del Sud in Lecce, Martano, and finally Leuca, the weather showcases a mix of sunny periods and rain showers, bringing an end to a highly variable September on this renowned trail.
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