There is just one region in September in France experiencing the dry season and this is Corsica. Regions being in the tourist season in France in September are the following: Corsica, Provence, Brittany, Normandy, Acquitaine, West France, Central France, North France, Alsace, Occitania, Langedouc-Rousillon, South central France. This is 12 of 13 regions in France.

The day temperature in France in September is the lowest in Alps - its value is 17.7 °C (63.8 °F). The day temperature in France in September is the highest in Corsica - its value is 25.3 °C (77.5 °F).

In September in France - the region with the lowest night temperature is Alps. The value in this region is 8.2 °C (46.7 °F). The highest value of the night temperature in France in September can be seen in Corsica with a value of 17.4 °C (63.3 °F).

The lowest sea temperature in France in September can be found in North France, where the value of sea temperature is 10.4 °C (50.7 °F). The highest value of the sea temperature in France in September can be seen in Corsica with a value of 22.5 °C (72.5 °F).

In September in France - the region with the lowest number of rainy days is Provence. The value in this region is 5 days. The number of rainy days in France in September is the highest in Normandy - its value is 10 days.

The lowest value of the rainfall amount in September in France can be seen in Central France with a value of 53 mm (2.09 in). The rainfall amount in France in September is the highest in Alps - its value is 92 mm (3.62 in).

The lowest wind speed in September in France can be found in Alsace, where the value of wind speed is 2.4. The highest wind speed in France in September can be found in Brittany, where the value of wind speed is 5.2.

The lowest humidity in September in France can be found in Occitania, where the value of humidity is 69 %. The highest value of the humidity in September in France can be seen in Normandy with a value of 81 %.

The lowest value of the number of sun hours (without clouds) in September in France can be seen in North France with a value of 6 hours. The number of sun hours (without clouds) in September in France is the highest in Corsica - its value is 8 hours.

The clear sky percentage in September in France is the lowest in North France - its value is 44 %. In France in September - the region with the highest clear sky percentage is Corsica. The value in this region is 64 %.

The day length in September in France is the lowest in Corsica - its value is 12 hours. The highest value of the day length in France in September can be seen in North France with a value of 12 hours.