September is a distinctive girls' name in United States, ranking #6081 in 2025 with 20 recorded births. The name reached its all-time peak in 2002 with 42 births ranking #3325. Since 1996, the popularity has decreased by 35.5%. In 2025, approximately 1 in every 80,363 girls born was named September. FALLING Recent data shows the name is currently falling.