Climate Fact-Check September 2026

Text overlay reading 'Climate Fact Check: September 2026 Edition' against a backdrop of a scenic canyon landscape.

From ClimateRealism

Guest Post by: The Committee for a Constructive Tomorrow, The Heartland Institute, the Competitive Enterprise Institute, the Energy & Environmental Legal Institute, and the International Climate Science Coalition, and Truth in Energy and Climate.

Editor’s note: This compilation serves as a fact check on the most widespread false claims made about climate change by the media in September 2026.

Summer 2026 NOT hottest evah! – ‘Climate Change’ NOT gobbling up apples or making wildfires more frequent & intense – Sea Levels NOT rising faster than ever – Flash flooding NOT due to ‘climate change’

Infographic discussing claims by UN Secretary-General António Guterres about rising sea levels, featuring a tweet by him and a graph comparing past and present sea level rise rates.
Links: Post by Secretary-General António Guterres, sea level rise studies, 1920s-1940s rates.

Article discussing the flash flooding incident in the Grand Canyon on August 29, 2026, highlighting claims about climate change and providing a fact-check on the geological history related to flooding.
Links: CNN report, Grand Canyon history.

Article discussing claims about the summer of 2026 being the hottest on record, highlighting NOAA data and clarifying that it was the warmest but not the hottest.
Map showing average temperature ranks by climate district in the United States for May 2026, with areas color-coded based on temperature rank intensity.
Links: CNN post, CBS post, USA Today post, NOAA data, NOAA press release, U.S. climate divisions recording records, TOB adjustment, homogenization issues, blending urban warming.

Article titled 'No, NPR, climate change is not challenging New York's apple growers' discussing the impact of late frosts and other factors on apple production.
Links: NPR affiliate post, USDA data.

Infographic fact-checking claims about climate change and wildfires, highlighting a Senate statement by Senator Sheldon Whitehouse and providing satellite data showing no increase in global wildfire area since 2002.
Links: Sen. Sheldon Whitehouse clip, satellite record, fuel buildup research, 1910 “Big Burn.”

An article titled 'September 25th: Wrong, TIME, nor'easters aren't proof of climate change' discussing a claim by TIME on the impact of climate change on nor'easters and providing a fact-check.
Links: TIME Magazine article, IPCC wind speed confidence.

Until next month, enjoy these and other great climate fact checks at:

ClimateRealism.com

ClimateDepot.com

Wattsupwiththat.com

Read the original PDF, here.


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