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Home > Global Warming > Global Temperature > Autumn (September to November)

Seasonal Anomalies of Global Average Surface Temperature in Autumn (September to November) (1891 - 2018)

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The seasonal anomaly of the global average surface temperature in Autumn (September to November) 2018 (i.e. the average of the near-surface air temperature over land and the SST) was +0.34°C above the 1981-2010 average (+0.67°C above the 20th century average), and was the 2nd warmest since 1891. On a longer time scale, global average surface temperatures have risen at a rate of about 0.68°C per century.

Five Warmest Years (Anomalies)

1st. 2015(+0.53°C), 2nd. 2018(+0.34°C), 3rd. 2016(+0.33°C), 4th. 2017(+0.32°C), 5th. 2014(+0.31°C)


  • Seasonal Anomalies of Global Average Surface Temperature
  • Distribution of Surface Temperature Anomalies