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September 2017: Earth’s 4th Warmest September on Record!

September 2017 was the planet’s fourth warmest September since record keeping began in 1880, said NOAA’s National Centers for Environmental Information (NCEI) and NASA this week.

The only warmer Septembers came during 2015, 2016, and 2014. At the same time, European continent was realtively cool in September with near or even coolder than long-term average monthly temperature, however.

  • The global land and ocean temperatures, averaged as a whole, were 0.78 °C above the 20th century average of 15.0 °C; behind September 2015 (+0.93 °C), September 2016 (+0.88 °C) and just behind September 2014 (+0.79 °C).
  • The global land surface temperature was the third highest for September at 1.17 °C above the 20th century average of 12.0°C.
  • Europe was generally cooler than average. Germany was 0.7 °C below the 1981-2010 average. The United Kingdom was 0.1 °C below average for the same period.
  • Global ocean surface temperature was 0.63 °C above the 20th century average of 16.2 °C, the fourth highest on record.