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The Bidwell Bar Bridge surrounded by fire during the Bear fire in Oroville, California in September. Photo: JOSH EDELSON/AFP via Getty Images

This September was the hottest recorded on Earth since 1880, the National Oceanic and Atmospheric Administration announced Wednesday.

Why it matters: It's another indicator of the impact of human-induced climate change. The data also illustrate this year is on pace to be among the hottest recorded, with the possibility of tying or breaking the record, set in 2016.

By the numbers: The average global temperature in September was 1.75 degrees above the 20th-century average of 59°F. It was 0.04 of a degree hotter than the previous records for the month, set in 2015 and 2016.

  • The 10 hottest Septembers have all happened after 2005, with the seven warmest occurring consecutively over the past seven years, the NOAA noted.

Zoom out: The year-to-date average global temperature was the second-hottest ever recorded at 1.84°F (1.02°C) above the 20th-century average. It was just 0.07°F (0.04°C) from the record-setting YTD in 2016.

  • In the U.S. alone, September saw massive wildfires and record heat in the western region of the country.

Go deeper: Why climate change is a time bomb

Go deeper

Jan 15, 2021 - Podcasts

Climate priorities of 2021

Yesterday, the National Oceanic and Atmospheric Administration announced 2020 was the second-hottest year on the planet. Though it hasn't reached the record-breaking temperatures of 2016, it likely was very close.

  • Plus, just how many voters continue to back President Trump.
  • And, a therapist helps us process our collective grief.

CPAC Republicans choose conservatism over constituents

Rep. Matt Gaetz. Photo: Elijah Nouvelage/Bloomberg via Getty Images

CPAC proved such a draw, conservative Republicans chose the conference over their constituents.

Why it matters: More than a dozen House Republicans voted by proxy on the $1.9 trillion COVID-19 relief bill in Washington so they could speak at the Conservative Political Action Conference, known as CPAC. And Sen. Ted Cruz skipped an Air Force One flight as President Biden flew to Cruz's hometown of Houston to survey storm damage.

Border Democrat warns Biden about immigrant fallout

Henry Cuellar (right). Photo: Tom Williams/CQ-Roll Call Inc. via Getty Images

A Democratic lawmaker representing a border district warned the Biden administration against easing up too much on unauthorized immigrants, citing their impact on his constituents, local hospitals and their potential to spread the coronavirus.

Why it matters: Rep. Henry Cuellar (D-Texas) told Axios he supports President Biden. But the moderate said he sees the downsides of efforts to placate pro-immigrant groups, an effort that threatens to blow up on the administration.