In September, Boca Raton typically sees daytime highs of 30.9°C and overnight lows around 23.8°C. Compared to the annual average high of 27.9°C, September runs +3.1°C.
September in Boca Raton averages a daytime high of 30.9°C and an overnight low of 23.8°C.
September runs +3.1°C compared to Boca Raton's annual average high of 27.9°C, ranking #3 of 12 months by warmth.
Plan for daytime highs near 30.9°C and cooler evenings around 23.8°C.