Weather in West Palm Beach in September 2025
- September is usually the wettest month of the year in West Palm Beach;
Average weather
Average temperature in West Palm Beach in September
The temperature in September is +90°F on average, with a range between a maximum of +91°F during the day and a minimum of +73°F at night.
The average maximum temperature goes up 0% by the end of the month, compared with the beginning of the month, from +90°F to +90°F.
Is West Palm Beach warm or cold in September?
West Palm Beach is typically warm in September.
Maximum temperatures go down compared to the previous month from +88°F to +86°F. The minimum temperature also goes down from +79°F to +77°F.
It’s generally warm, but pack a long-sleeve shirt for evenings.
September is one of the warmest months in West Palm Beach, here is the comparison with other months:
Climate in West Palm Beach in September
| August | September | October | ||||
|---|---|---|---|---|---|---|
| Avg. temperature | ||||||
| +88°F | +86°F | +82°F | ||||
| Min. temperature | ||||||
| +72°F | +66°F | +52°F | ||||
| Max. temperature | ||||||
| +95°F | +95°F | +93°F | ||||
| Rainfall | ||||||
| 201 mm | 226 mm | 157 mm | ||||
| Wind | ||||||
| 3 m/s | 3 m/s | 4 m/s | ||||
| Humidity | ||||||
| 81% | 82% | 78% | ||||
| Air pressure | ||||||
| 1015 HPa | 1014 HPa | 1014 HPa | ||||
| Sunny days | ||||||
| 1 | 1 | 3 | ||||
| Cloudy days | ||||||
| 1 | 2 | 6 | ||||
| Rainy days | ||||||
| 24 | 24 | 21 | ||||
| Snowy days | ||||||
| 0 | 0 | 0 | ||||
September weather is still as ok as in August. It’s getting colder in September. From +88°F in the day, the average maximum temperature lowers to +86°F. Prepare for more rain. Average rainfall goes from 201 mm to 226 mm. Humidity rises from 81% to 82%. The average wind speed doesn’t change much during September, staying around 3 m/s. The amount of sunny days stay about the same, averaging 1 sunny days during the month.
October brings much the same weather, it remains ok.
Wind
The average wind speed is 3 m/s getting up to 5 m/s which is a light breeze; barely moving the tree leaves.
The average wind speed in West Palm Beach is gradually increasing during September, going from 2 m/s to 3 m/s over the course of the month.
Rain
How was the weather last September in West Palm Beach?
Climate Change Over the Years
The climate in West Palm Beach in September has not changed that much over the last 43 years.
The average temperature was the lowest in 2010 (+79°F) and the highest in 2023 (+84°F). The driest year was 2000 with only 1083 mm of rainfall, and the wettest year was 2020 with 2718 mm.
FAQ
Is September a good time to visit West Palm Beach?
Can you sunbathe in West Palm Beach in September?
Is West Palm Beach rainy in September?
Is it sunny in West Palm Beach in September?
Other cities in USA
Monthly weather in West Palm Beach
Source of the data
For this page, we’ve looked at the typical weather in West Palm Beach, based on historical hourly weather data from January 1, 1979, to December 31, 2023.
For past dates, we show actual recorded data at the location at that time. Forecasts are based on recorded weather during that day of the year, averaged over the total years for which we have records (unless stated otherwise). The daily temperature is the highest recorded temperature in the shadow during that day.