Maine weather by county

16 counties · records since 1895, through September 2026.

Maine in September 2026

0 of 16 counties ran at least 1° warmer than usual in September 2026, and 1 ran at least 1° cooler.
Warmest against its own records: Lincoln County (30th-warmest September of 132). Even the least warm, Franklin County, had its 57th-warmest.
Wettest September against its records: York County, 5.0 inches (27th-wettest).
16 of 16 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, Androscoggin County the most at 0.6°.

This week's forecast against the usual, and every month since 1895, for all 16 counties in Maine. None had a top-10 warm September in 2026.