Excerpt: “Highlights:
- Temperatures were above average across much of North and South America as well as Europe, but globally, temperatures averaged cooler than what was observed during September 2023, ending the 15-month record streak of record warm global temperatures.
- The year-to-date global temperature was the warmest such period on record, with North America, South America, Europe, and Africa each ranking first.
- The contiguous U.S. was second warmest on record with record warm conditions blanketing portions of the northern Plains, Upper Midwest, and south Florida.
- Year-to-date temperatures across the contiguous U.S. averaged second warmest on record.
- Hurricane Helene was the strongest hurricane on record to strike the Big Bend region of Florida, the deadliest Atlantic hurricane since Maria (2017), and the deadliest to strike the U.S. mainland since Katrina (2005).
- Three new hurricanes (Debby, Helene, and Milton) and one tornado outbreak were added to the 2024 Billion Dollar Weather and Climate Disaster total. The year-to-date total now stands at 24 events — the second-highest event total for this period.”
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