September in West Palm Beach averages a daily high of 31.6°C with nights around 24.4°C. Expect roughly 16.5 wet days totalling 212.5mm. Demanding conditions — pack for it and plan indoor options.
Across the year, the best time to visit West Palm Beach is November–April.
Based on DONALD J. TRUMP INTERNATIONAL AIRPORT, FL US (5.7km), 1995–2024. 30 years of September data.