September weather forecast
France

The arrival of September brings the first signs of autumn to France. However, the country still experiences generally mild temperatures, making it a pleasant time to visit. The northern coast near the English Channel maintains average temperatures of about 17°C (62.6°F), which is slightly cooler than the summer months, but still warm enough for outdoor activities.

The Atlantic Coast, including cities such as Nantes and Bordeaux, witnesses a drop in temperatures from the peak of summer, with averages ranging from 20°C (68°F) to 22°C (71.6°F). Despite the decrease, the weather remains pleasant for beach outings and exploration of the coastal towns.

In Paris and the interior regions, the temperatures in September average around 22°C (71.6°F). The transition from summer to autumn brings cooler nights, but the days remain warm and are often graced with clear skies, perfect for sightseeing and enjoying the city's outdoor attractions.

In southeastern France and Corsica, the Mediterranean climate remains prevalent in September. Cities like Nice and Marseille still see average temperatures around 26°C (78.8°F), offering excellent beach weather even as autumn approaches.

In the alpine regions, temperatures in September drop to an average of 20°C (68°F) in the lower areas. This is the time when the alpine landscapes begin to display their autumn colours, offering scenic views and hiking opportunities.

Sea temperatures in both the Mediterranean and the Atlantic start to decrease in September, averaging 22°C (71.6°F) in the Mediterranean and 19°C (66.2°F) in the Atlantic. Despite the cooler waters, conditions remain favourable for swimming and other marine activities.

Rainfall in September ranges from 20mm (0.79") to 60mm (2.36") across the country, marking the beginning of the wetter season. Despite this, the milder temperatures, less crowded tourist spots, and the onset of autumn colours make September an attractive time to visit France.

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• Paris - September »
  The month with the least rainfall in Paris is September, when the rain falls for 9.3 days and typically collects 17mm (0.67") of precipitation. In Paris, in September, it is raining for 9.3 days, with typically 17mm (0.67") of accumulated precipitation.
• Marseille - September »
  August and September, with an average sea temperature of 21.9°C (71.4°F), are months with the warmest seawater in Marseille, France. In Marseille the average seawater temperature in September is 21.9°C (71.4°F).
• Lyon - September »
  In Lyon in September, during 7.6 rainfall days, 88mm (3.46") of precipitation is typically accumulated. In Lyon, in September, during 7.6 rainfall days, 88mm (3.46") of precipitation is typically accumulated.
• Toulouse - September »
  The month with the least rainfall in Toulouse is September, when the rain falls for 10.7 days and typically collects 26mm (1.02") of precipitation. The month with the least rainfall in Toulouse is September, when the rain falls for 10.7 days and typically collects 26mm (1.02") of precipitation.
• Nice - September »
  Nice experiences a moderate temperature shift at the start of September, with average high-temperatures adjusting a bit from a warm 24.8°C (76.6°F) in August to an agreeable 21.3°C (70.3°F). In Nice in September, the average water temperature is 22.3°C (72.1°F).
• Nantes - September »
  In Nantes during September, the rain falls for 8.2 days and regularly aggregates up to 21mm (0.83") of precipitation. The beginning of September in Nantes records an average high-temperature of an agreeable 21.8°C (71.2°F), marking a negligible difference from August's 24.3°C (75.7°F).
• Strasbourg - September »
  In Strasbourg, during September, the rain falls for 10.5 days and regularly aggregates up to 26mm (1.02") of precipitation. How many days does it rain in September in Strasbourg?
• Montpellier - September »
  On the first day of September in Montpellier sunrise is at 07:08 and sunset at 20:19. In Montpellier, France, in September, it is raining for 6.6 days, with typically 30mm (1.18") of accumulated precipitation.
• Bordeaux - September »
  The month with the least rainfall in Bordeaux, France, is September, when the rain falls for 8.5 days and typically collects 15mm (0.59") of precipitation. Bordeaux in September experiences a gentle temperature dip, with average high-temperatures reducing from a warm 27.5°C (81.5°F) in August to a still moderately hot 24.4°C (75.9°F).
• Lille - September »
  September is the month with the least rainfall in Lille, France. In Lille, in September, it is raining for 11.5 days, with typically 19mm (0.75") of accumulated precipitation.
• Rennes - September »
  In Rennes, during September, the rain falls for 8.4 days and regularly aggregates up to 12mm (0.47") of precipitation. September temperatures in Rennes vary between a high-temperature of 20.8°C (69.4°F) and a low-temperature of 10.8°C (51.4°F).
• Reims - September »
  On the first day of September in Reims sunrise is at 07:00 and sunset at 20:26. In Reims, France, in September, it is raining for 9.7 days, with typically 20mm (0.79") of accumulated precipitation.