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NCEI products and services are now available. Many data products continue to be updated as a result of the outage caused by Hurricane Helene. We apologize for any inconvenience.
During September, the global surface temperature was 2.23°F (1.24°C) above the 20th-century average. The September average temperature of the contiguous U.S. was 68.6°F, 3.8°F above average.
NCEI headquarters in Asheville, NC, has been severely impacted by Hurricane Helene. All of our employees and staff have been accounted for with all data holdings–including paper and film records–safe.