2 of 6 regions have the dry season in September in Brazil. These regions are Goias, Brazil - Northeast coast. The weather statistics in September in Brazil determinate, that all regions (6) will be in the tourist season.

In Brazil in September - the region with the lowest day temperature is South Brazil. The value in this region is 20.7 °C (69.3 °F). The highest day temperature in Brazil in September can be found in Brazil - Northeast coast, where the value of day temperature is 32.2 °C (89.9 °F).

The lowest value of the night temperature in September in Brazil can be seen in South Brazil with a value of 14.0 °C (57.1 °F). The highest night temperature in September in Brazil can be found in Brazil - Northeast coast, where the value of night temperature is 22.6 °C (72.7 °F).

The sea temperature in September in Brazil is the lowest in South Brazil - its value is 18.1 °C (64.7 °F). In Brazil in September - the region with the highest sea temperature is Brazil - Northeast coast. The value in this region is 26.6 °C (79.9 °F).

The lowest number of rainy days in September in Brazil can be found in Brazil - Northeast coast, where the value of number of rainy days is 2 days. In September in Brazil - the region with the highest number of rainy days is Bahia. The value in this region is 14 days.

In Brazil in September - the region with the lowest rainfall amount is Brazil - Northeast coast. The value in this region is 7 mm (0.26 in). The rainfall amount in Brazil in September is the highest in South Brazil - its value is 141 mm (5.56 in).

The lowest wind speed in September in Brazil can be found in Goias, where the value of wind speed is 2.1. The highest value of the wind speed in Brazil in September can be seen in South Brazil with a value of 3.3.

The lowest value of the humidity in September in Brazil can be seen in Goias with a value of 56 %. The highest humidity in Brazil in September can be found in South Brazil, where the value of humidity is 84 %.

The lowest value of the number of sun hours (without clouds) in September in Brazil can be seen in South Brazil with a value of 4 hours. The number of sun hours (without clouds) in Brazil in September is the highest in Brazil - Northeast coast - its value is 9 hours.

The lowest value of the clear sky percentage in Brazil in September can be seen in South Brazil with a value of 35 %. The highest value of the clear sky percentage in Brazil in September can be seen in Brazil - Northeast coast with a value of 75 %.

The lowest day length in September in Brazil can be found in South Brazil, where the value of day length is 12 hours. The highest value of the day length in September in Brazil can be seen in Brazil - Northeast coast with a value of 12 hours.