September is a distinctive girls' name in United States, ranking #3993 in 2018 with 37 recorded births. The name reached its all-time peak in 2002 with 42 births ranking #3325. Since 1996, the popularity has increased by 19.4%. In 2018, approximately 1 in every 45,957 girls born was named September. FALLING Recent data shows the name is currently falling.