West Palm Beach Weather in September

What's the weather like in West Palm Beach (Florida) in September 2025?

The climate in West Palm Beach during September can be summarized as hot, humid and very wet.

September is in the fall / autumn in West Palm Beach and is typically the 3rd warmest month of the year. Daytime maximum temperatures average around a steamy 32°C (89°F), whilst at night 24°C (74°F) is normal.

West Palm Beach weather averages (imperial / metric)
Daytime temperature 31.5°C 88.6°F
Nightly temperature 23.6°C 74.4°F
Average temperature 27.5°C 81.5°F
Daily sunshine 8.8 hrs
Avg rainfall 215 mm 8.5 ins
Rainy days 17 days
Sea temperature 29.1°C 84.4°F
Humidity 78%
Windspeed 14kph 9 mph

On average September is the wettest month of the year in West Palm Beach with around 215mm 8.5 inches of rain making it a very wet time to visit. This rainfall is typically spread over 17 days, although this may vary considerably.

On the flip side this corresponds to an average of 8.8 hours of sunshine per day.

September temperatures in West Palm Beach

West Palm Beach average temperature in September

September rainfall

West Palm Beach average rain in September

September hourly sunshine

West Palm Beach average rain in September

The data used in these monthly averages covers a period of over 100 years right up until last year. As such they are a valid prediction of what to expect for the weather in West Palm Beach in September 2025.

Other monthly averages

Best places to visit in September

UV index Best time to go?

Beta

Current (hourly) weather 15 day forecast

West Palm Beach weather stats

West Palm Beach weather statistics
Hottest month: August 32°C 89.6°F
Driest month: December 60mm 2.4ins
Sunniest month: April 10.2hrs
Coldest month: January 23.3°C 73.9°F
Wettest month: September 215mm 8.5ins
Map showing location of West Palm Beach (26.71534, -80.05337) West Palm Beach map pin © Google

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