There is just one region in China in September experiencing the rainy season and this is China - South coast. There is just one region in China in September experiencing the dry season and this is Central south China. All 5 regions in China, according to September weather, are experiencing the tourist season.

The lowest value of the day temperature in China in September can be seen in Northeast China with a value of 25 °C (78 °F). The highest day temperature in September in China can be found in Central south China, where the value of day temperature is 31 °C (88 °F).

The night temperature in China in September is the lowest in Northeast China - its value is 15 °C (59 °F). The highest night temperature in China in September can be found in China - South coast, where the value of night temperature is 24 °C (76 °F).

The sea temperature in China in September is the lowest in China - South coast - its value is 29 °C (83 °F). In China in September - the region with the highest sea temperature is China - South coast. The value in this region is 29 °C (83 °F).

In September in China - the region with the lowest number of rainy days is Northeast China. The value in this region is 7 days. The highest value of the number of rainy days in China in September can be seen in China - South coast with a value of 16 days.

The rainfall amount in China in September is the lowest in Northeast China - its value is 56 mm (2.21 in). The highest value of the rainfall amount in September in China can be seen in China - South coast with a value of 227 mm (8.92 in).

The lowest wind speed in China in September can be found in Central China, where the value of wind speed is 1. The highest value of the wind speed in China in September can be seen in China - East coast with a value of 3.

The lowest value of the humidity in China in September can be seen in Northeast China with a value of 68 %. The highest humidity in September in China can be found in China - East coast, where the value of humidity is 81 %.

In September in China - the region with the lowest number of sun hours (without clouds) is Central China. The value in this region is 4 hours. In September in China - the region with the highest number of sun hours (without clouds) is Northeast China. The value in this region is 8 hours.

In September in China - the region with the lowest clear sky percentage is Central China. The value in this region is 31 %. The highest clear sky percentage in September in China can be found in Northeast China, where the value of clear sky percentage is 63 %.

In China in September - the region with the lowest day length is China - South coast. The value in this region is 12 hours. The highest day length in September in China can be found in Northeast China, where the value of day length is 12 hours.