Apples Unit & Johnny Appleseed - A collection of ideas/activities to use in September to celebrate Johnny Appleseed and apple picking season. source

Constitution Day - Activities for Constitution Day, September 17th! source

Patriot Day - 9/11 - Many schools take part in remembering the tragic events of September 11th. Here's a collection of ideas to use in your school or classroom to commemorate this day in history. source
 

Celebrate Hispanic Heritage Month - A collection of ideas for teaching about the contributions of people with Hispanic Heritage to the history of the United States source

Constitution Day - Activities, lesson plans, and primary resources to help your class celebrate Constitution Day on September 17 source

Great Sites for Teaching About Labor Day and U.S. Labor History - A collection of nine websites with suggestions for using them in your classroom to teach about Labor Day source

Happy Birthday Mr. Appleseed! - A collection of web-links and classroom ideas for honoring Johnny Appleseeds birthday on September 26 source

Lessons for Hispanic Heritage Month - Twelve lesson plans for celebrating Hispanic Heritage Month from September 15 to October 15 source

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ProTeacher Community - Visit our growing community of elementary and middle school teachers! Get involved today! Dozens of active boards, blogs and chat; hundreds of active discussions, and tens of thousands of teaching ideas. Newcomers always welcome! source