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.
Reefs, which are usually made up of many colonies, are much bigger still. The largest coral reef is the Great Barrier Reef, which spans 1,600 miles (2,600 km) off the east coast of Australia. It is so large that it can be seen from space! It takes a long time to grow a big coral colony or a coral reef, because each coral grows slowly.