This is the feeling of sadness that occurs when the summer is over and school is now in session. It is often difficult to focus on school since the weather is hot and summer was only recently. September blues are marked by inattentiveness, malaise, and longing. They are cured on October 1st when a person can think about Halloween and the weather is less like summer. Football season can make the September blues more bearable.
Juan: "It is 90 degrees and we are in school. I wish it was still summer!"

Alejandro: Don't worry, it's just the September blues. Come October 1st it will be all over."
by New English July 1, 2010
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