Tropical temperatures in Belgium in September are rare. Only on 20 previous occasions was a temperature of 30°C or more recorded here. On 5 September 2013 31.5°C was recorded. The warmest September day on record was measured on 4 September 1929: 33.9°C.
Last August was the warmest month of August in 136 years. The record of August 2014 was improved by 0.16°C. For eleven months in a row now record monthly averages have been recorded.