Climate Changed

The World Just Had One of Its Warmest Ever Septembers

  • World’s top 10 warmest Septembers have all occured since 2003
  • Arctic sea ice reached sixth-small amount during annual low
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Since 2003, the world has had its 10 warmest Septembers on record, with 2018 tying 2017 for fourth place, according to the U.S. National Centers for Environmental Information.

Combined land and ocean temperatures were 1.4 degrees Fahrenheit (0.8 Celsius) above the 20th century average of 59 degrees. The last five Septembers have ranked as the top five warmest in records going back to 1880.