At 1200 UTC on September 8, Tropical Depression Nine developed over the west-central Gulf of Mexico. Moving generally westward, the depression made landfall south of La Pesca, Tamaulipas, around midday on September 10. The system rapidly weakened inland and dissipated later that day. Another tropical depression formed over western Senegal on September 18. It moved westward across the Atlantic Ocean before curving west-northwestward about three days later. On September 25, the depression moved northwestward and then northward by September 28. It dissipated about east-northeast of Bermuda at 1200 UTC the following day. The next tropical depression developed in the Gulf of Mexico just offshore Campeche on September 21. Moving west-northwestward, the depression made landfall near Tampico on September 23, shortly before dissipating.