In September, the weather along the Voie d'Arles shows a mix of sunny and rainy days, with notable temperature fluctuations. The southern region of Occitanie experiences more frequent sunny spells, while the north sees increased rainfall, particularly in mid-month. Temperatures largely range from cool to warm, with highs often peaking around the mid-20s °C. Nouvelle-Aquitaine differs slightly, with cooler mornings and a significant increase in precipitation as the month progresses. Despite the variable conditions, both regions offer a blend of serene sunlit days and intermittent showers.
Starting in Arles, the month generally fluctuates between sunny stretches and occasional rain, with temperatures ranging from the high teens to low 30s °C. As you move through Saint-Gilles and Gallargues-le-Montueux, expect similar sunny periods intermingled with few rainy days.
Continuing towards Vendargues, sunny weather prevails, though brief rain showers occur intermittently. Entering Montpellier, the stretch remains predominantly sunny, but expect light drizzle towards the end.
In Montarnaud and Saint-Guilhem-le-Désert, moderate to heavy rain showers disrupt otherwise clear days. Further along in Saint-Jean-de-la-Blaquière and Lodève, the weather follows a similar pattern, sunny with sporadic heavy rain.
In Lunas, a mix of sun and rain showers carries on, persisting through Saint-Gervais-sur-Mare to Murat-sur-Vèbre as well. With few light showers, La Salvetat-sur-Agout stays mostly sunny.
Approaching the trail’s further parts, from Anglès through to Avignonet-Lauragais, expect alternating rainy and sunny days, but with a steady increase in showers.
In the final stretches within Occitanie, towards Baziège and into Toulouse, weather steadies with more bursts of sun than rain.
From Vidouze, sunny days carve the path. Weather remains largely clear with a few partly cloudy instances till Morlaàs. As you head into Lescar, moderate rain showers make brief appearances.
From Oloron-Sainte-Marie onward, there’s an increase in overcast conditions and rainfall. While Sarrance stays moderately sunny, as you reach Borce and Somport, expect heavier rain showers interspersed with sunny spells, marking a damp conclusion to this region's progression.
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