September 2020

Section 1: Atlantic Coast


1-3: Thunderstorms clear East Coast, then turning fair and pleasant.

4-7: Generally fair for the Labor Day holiday.

8-11: Fair and cool conditions Northeast and Mid-Atlantic. Pleasant weather over Southeast.

12-15: Hurricane threat from Outer Banks of North Carolina to Cape Cod, on to eastern Maine. Otherwise, scattered thunderstorms.

16-19: Fair, then scattered showers into Northeast states, then fair again. Rain for Virginia/Maryland area. Rain and showers along Gulf Coast and points north and east.

20-23:Mostly fair skies.

24-27: Locally heavy showers and thunderstorms.

28-30: Gradually clearing skies.


Section 2: East of Mississippi River


1-3: Fair skies.

4-7: Showery conditions linger through Labor Day.

8-11: Severe thunderstorms. Tornado weather possible most of Illinois, all of Indiana, and western Kentucky. Tropical storm threat Texas/Louisiana Gulf Coast.

12-15: Thunderstorms in Kentucky, Tennessee, and through the Ohio Valley, followed by clearing skies.

16-19: Fair, then scattered showers. Rain and showers along Gulf Coast and points north and east.

20-23: Mostly fair skies.

24-27: Locally heavy showers and thunderstorms from Great Lakes and points south and east.

28-30: Skies gradually becoming fair and turning cool.

Section 3: Rockies to Mississippi River

1-3: Fair weather.

4-7:Weather improves for Labor Day: Scattered showers, then fair.

8-11: Severe thunderstorms; tornado weather possible for parts of Kansas, Missouri, and Iowa.

12-15: Clearing, pleasant weather.

16-19: Turning unsettled across Plains states, then fair.

20-23: Fair weather, followed by increasingly cloudy skies.

24-27: Squalls over Plains. Windy, with locally heavy showers Texas. Showery/thundery weather for Louisiana/Arkansas.

28-30: Fair skies and unseasonably chilly.


Section 4: Pacific Coast to Rockies


1-3: Fair skies.

4-7: Showers. Windy conditions for Arizona/New Mexico.

8-11: Continued unsettled, with a few more showers for Pacific Northwest. Mixed clouds and sun; a few possible showers and thunderstorms over Southwest. Severe thunderstorms Rockies.

12-15: Clearing, pleasant weather.

16-19: Turning unsettled, with showers Washington/Oregon. Threatening skies, with a few showers also for the Southwest States and Rockies.

20-23: Fair weather, then scattered showers and a few thunderstorms Pacific Coast and points east; windy with a few showers California/Nevada.

24-27: More scattered showers for Pacific Northwest. Thunderstorms Utah and Colorado, then clearing. Fair weather elsewhere.

28-30: Fair skies and quite cool.