World has hottest September on record: NOAA
The average temperature over global land and ocean surfaces combined for the month was at 15.72 degrees Celsius, 0.72 degrees Celsius above the 20th century average, the NOAA said in a report, Xinhua reports.
"With the exception of February, every month to date in 2014 has been among its four warmest on record, with May, June, August, and September all record warm," it said.
It also marked the 38th consecutive September with a global temperature above the 20th century average. The last below-average global temperature for September occurred in 1976.
According to the NOAA, warmer-than-average temperatures were evident over most of the global land surface, except for central Russia, some areas in eastern and northern Canada, and a small region in Namibia.