Maryland weather by county

24 counties · records since 1895, through September 2026.

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Maryland in September 2026

24 of 24 counties ran at least 1° warmer than usual in September 2026, and 0 ran at least 1° cooler.
Warmest against its own records: Charles County (12th-warmest September of 132). Even the least warm, Baltimore city, had its 17th-warmest.
Wettest September against its records: Charles County, 4.4 inches (39th-wettest).
22 of 24 counties were in moderate drought or worse on NOAA's Palmer reading for September.
Since 1970 the state's counties have warmed about 0.6° per decade on average, Baltimore city the most at 0.7°.

This week's forecast against the usual, and every month since 1895, for all 24 counties in Maryland. None had a top-10 warm September in 2026.