The average daytime temperatures in the month of September are around 26Â°C (that is about 78Â°F), whereas the average minimum temperatures drop down to 17Â°C (that is about 62Â°F.) The summer season in Barcelona generally lasts from June 22 nd until September 19 th, .
Quick Answer. The Great Barrier Reef is 1,429 miles long and runs along the coast of northeastern Australia. The Great Barrier Reef Marine Park covers about 132,819 square miles and contains about 3,000 separate coral reefs.
The Great Barrier Reef is the world's largest reef system, composed of roughly 3,000 individual reefs and 900 islands that stretch for 2,600 kilometres (1,616 mi) and cover an area of approximately 344,400 square kilometres (133,000 sq mi).ccording to the GBRMPA in 2014, the most significant threat to the status of the Great Barrier Reef is climate change, due to the consequential rise of sea temperatures, gradual ocean acidification and an increase in the number of intense weather events.