09/03/2026
September Dates to Know
Mark your calendar for these upcoming deadlines and reminders:
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September 7: Labor Day (federal holiday)
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September 15: Extended filing deadline for calendar-year partnerships (Form 1065) and S corporations (Form 1120-S); Q3 estimated tax payments are also due.
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September 30: End of Q3. Plus, the deadline for eligible federal student loan borrowers to enroll in autopay to receive the temporary 1% interest-rate reduction through June 30, 2028 (Refer to Federal Student Aid's official website for more details).
Save this post as a reminder, and share it with someone who may need one of these dates!