September 2022 is the 5th hottest on record on Earth: tropical cyclones have devastated the whole world – NOAA
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The Earth’s warming trend continued last month, with September 2022 tied with 2021 as the fifth hottest September in 143 years.
The tropics have also warmed, with an above-average number of tropical cyclones circling the globe, according to scientists from NOAA’s National Centers for Environmental Information (NCEI).
Below are more highlights from NOAA’s September Global Climate Report:
The climate in numbers
The average global temperature for September was 1.58 degrees F (0.88 degrees C) above the 20th century average of 59.0 degrees F (15.0 degrees C), making September 2021 the fifth month warmest September since 1880.
Regionally, North America had its warmest September on record, beating the previous record set in 2019 by 0.54 degrees F (0.30 degrees C). Asia and Africa had their fifth and sixth warmest Septembers respectively. Despite above-average temperatures, South America and Europe experienced their coolest Septembers since 2013.
September 2022 marked the 46th consecutive September and 453rd consecutive month with temperatures above the 20th century average.
Year to date (YTD, January to September 2022)
The average global temperature since the start of the year was the sixth warmest on record, 1.55 degrees F (0.86 degrees C) above the 20th century average.
According to the NCEI’s Global Annual Temperature Outlook, there is a greater than 99% chance that 2022 will rank among the 10 hottest years on record, but less than a 5% chance that it will rank in the top five.
Other Notable Climatic Events
Sea ice cover was below average: Globally, September 2022 recorded the eighth lowest sea ice extent (coverage) on record. Last month’s Arctic sea ice extent averaged 1.88 million square miles – about 595,000 square miles below the 1981-2010 average – tying September 2010 as the 11th smallest September extent in 44 years. Antarctica had its fifth-smallest September sea ice extent on record at 6.95 million square miles – 190,000 square miles below average.
A busy month in the tropics: Global tropical cyclone activity was above average in September, with a total of 20 named storms. Twelve of these storms reached tropical cyclone strength (winds of 74 mph or greater), with six of the 12 reaching major tropical cyclone intensity (winds of 111 mph or greater). After no hurricanes or tropical storms in August, the Atlantic Basin experienced six named storms in September, four of which became hurricanes, including two major hurricanes, Fiona and Ian.
The Eastern Pacific and Western Pacific basins also experienced above average tropical cyclone activity during the month. The Western Pacific has seen seven storms, all of which reached typhoon strength (winds of 74 mph or more) – tied with 1956 and 1996 as the most typhoons in September since 1981. One storm in particular, Super Typhoon Noru, rapidly intensified into the second Category 5 Tropical Cyclone of 2022 before making landfall in the northern Philippines as a Category 4 storm.
Learn more > Access the September climate report and download images from the NOAA NCEI website.