UN records warmest September
The first nine months of 2020 were the second warmest on record (after 2016), according to the US National Oceanic and Atmospheric Administration.
STAR/Michael Varcas, file
UN records warmest September
Pia Lee-Brago (The Philippine Star) - October 26, 2020 - 12:00am

MANILA, Philippines — Last month was the warmest September on record for the globe, the United Nations’ weather agency said.

The first nine months of 2020 were the second warmest on record (after 2016), according to the US National Oceanic and Atmospheric Administration (NOAA).

The 10 warmest Septembers have all occurred since 2005. The seven warmest Septembers have occurred in the last seven years (2014-2020), continuing the long-term warming trend.

“The Southern Hemisphere’s land and ocean surface temperature departure from average for September 2020 was the highest on record. Meanwhile, the Northern Hemisphere had its third-warmest September on record,” the World Meteorological Organization (WMO) said.

“Arctic sea ice extent was the second lowest on record, whilst Antarctic sea ice was above average.”

Earlier this month, the Copernicus Climate Change Service operated by the European Centre for Medium Range Weather Forecasts also reported that it was the warmest September on record.

The latest data underline the main conclusion of the recent United in Science report, coordinated by WMO, that climate change has not stopped for COVID-19. Greenhouse gas concentrations in the atmosphere are at record levels and continue to increase. Emissions are heading in the direction of pre-pandemic levels following a temporary decline caused by the lockdown and economic slowdown.

“2016–2020 is set to be the warmest five-year period on record. Whilst many aspects of our lives have been disrupted in 2020, climate change has continued unabated,” said WMO Secretary-General Petteri Taalas in issuing the United in Science report.

“The world is not on track to meet agreed targets to keep global temperature increase well below 2 °C or at 1.5 °C above pre-industrial levels,” he said.

According to NOAA, the Northern Hemisphere January-September land and ocean surface temperature tied with 2016 as the warmest such period since global records began in 1880, while the Southern Hemisphere had its fourth-warmest such period on record.

Europe, Asia and the Gulf of Mexico had their warmest January-September period on record. In northern Asia, temperatures were at least 5.4°F (3.0°C) above average. South America and the Caribbean region had a January-September temperature that ranked as the second highest on record.

Cooler-than-average conditions were limited to Alaska, western Canada, northern India and across the southern oceans.

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