Climate Central: Like August before it, September 2014 was the warmest September on record, according to newly updated NASA data. The warm month makes it even more likely that 2014 will become the warmest year on record.
Temperature anomalies (in degrees Celsius) of various regions around the world in August 2014.
This September was about 1.4°F above the 1951-1980 average temperature for the month, data from NASA's Goddard Institute for Space Studies (GISS) showed. That makes it the warmest September in GISS...