New Mexico weather by county

33 counties · records since 1895, through September 2026.

Weather › New Mexico

New Mexico in September 2026

33 of 33 counties ran at least 1° warmer than usual in September 2026, and 0 ran at least 1° cooler.
Warmest against its own records: Chaves County (1st-warmest September of 132). Even the least warm, Los Alamos County, had its 11th-warmest.
Wettest September against its records: Bernalillo County, 5.2 inches (1st-wettest).
32 of 33 counties were in moderate drought or worse on NOAA's Palmer reading for September.
Since 1970 the state's counties have warmed about 0.7° per decade on average, Chaves County the most at 0.8°.

This week's forecast against the usual, and every month since 1895, for all 33 counties in New Mexico. 32 had a top-10 warm September in 2026.