Last updated: February 24, 2025
September in West Palm Beach, United States, offers a warm and tropical climate that entices many visitors. With a maximum temperature reaching 33°C (91°F) and an average temperature of 28°C (83°F), the month proves to be both sultry and inviting. However, the minimum temperature dips to a comfortable 25°C (76°F), ideal for evening strolls. Rainfall is prevalent, with a total precipitation amount of 189 mm (7.4 in) spread over 24 days, resulting in high humidity levels around 83%. This lush, vibrant ambiance, combined with the occasional refreshing rain shower, creates a quintessential September experience in this beautiful coastal city.
In September, West Palm Beach continues to bask in the warmth of summer, with temperatures reflecting a notable trend of consistency. The minimum temperature hovers at a comfortable 25°C (76°F), while the average rises to 28°C (83°F), reaching a peak of 33°C (91°F). This month showcases a slight uptick compared to previous summer months, especially in the maximum temperatures, which mimic the high heat of July and August. As the sweltering days transition gradually into autumn, the balmy warmth lingers, making September a prime time to enjoy the sun-kissed beaches while embracing the gentle breezes that accompany the season's end. The warmth combined with the tropical atmosphere sets West Palm Beach apart as a stunning late-summer getaway.
In September, West Palm Beach continues the trend of significant precipitation, receiving 189 mm (7.4 in) of rain over 24 days. This month marks a slight decrease from the preceding August, which recorded 202 mm (8.0 in), yet it remains one of the wetter months of the year. The rainy season reaches its peak during the summer, with June reaching the highest total of 215 mm (8.5 in), followed by July and August. As the month transitions into October, a gradual decline in both precipitation amount and rainy days is observed, hinting at a shift toward drier conditions as the year progresses. Despite this, September's abundant rains contribute significantly to the region’s lush landscape, maintaining the summer's vibrant greenery before the cooler months set in.
In September, West Palm Beach experiences a noticeable uptick in humidity, reaching around 83%, mirroring the levels seen earlier in the year during January. This September spike aligns with the region's transition from summer to fall, where humidity levels typically remain elevated. Overall, the trend reveals a gradual decline from the wet and sticky atmosphere of May (65%) to a mid-summer peak in July (77%), before stabilizing throughout the later months of the year. As summer gives way to autumn, residents can expect a return to those traditionally high humidity levels that characterize this coastal paradise, preparing for a humid October and November ahead.
As September arrives in West Palm Beach, the UV Index remains notably high at 11, categorizing exposure as extreme with a burn time of just 10 minutes. This trend reflects a gradual decline from the peak UV Index of 12 observed during the summer months of June through August, yet it still underscores the importance of sun safety practices. With September’s readings closely following the intense summer levels, residents and visitors should remain vigilant and protect their skin to avoid harmful effects. As autumn approaches, the UV Index will continue to decline, eventually reaching more moderate levels by November. For more details on the varying UV levels throughout the year, check out West Palm Beach UV Index.
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As September unfolds in West Palm Beach, residents and visitors alike bask in an impressive 317 hours of sunshine, continuing the trend of abundant sunlight that characterizes the region. Following the sun-soaked peak of July, which boasts a remarkable 341 hours, September maintains the momentum with a slight drop, yet still provides plenty of radiant days. This month transitions seamlessly from the vibrant heat of summer, where August also shines brightly with 334 hours, to the cooler embrace of autumn, setting the stage for pleasant outdoor activities. The consistent availability of sunshine, especially in the late summer months, underscores West Palm Beach's reputation as a perennial paradise for sun lovers, ensuring that each day is filled with opportunities for adventure and relaxation alike.
In September, West Palm Beach experiences a 33% chance of sunny weather, reflecting a notable dip compared to the warmer months of summer. This decline in sunshine is part of a broader trend, as the year progresses toward the fall. While May and June boast relatively higher probabilities of sun, sunny days become increasingly elusive during September and the subsequent months, with October rising slightly to 47%. Interestingly, the winter months see a resurgence of sunshine, highlighting a seasonal shift in the weather patterns. Overall, September can be characterized by a mix of summer’s remnants and the encroaching autumn clouds, encouraging residents and visitors alike to enjoy the sunny intervals amid an unpredictable forecast.
As summer transitions to fall in West Palm Beach, daylight duration begins to subtly decline, with September offering about 12 hours of daylight. This marks a gentle shift from the peak of summer, where the sun graced the skies for up to 13 hours a day from May through August. The trend indicates a gradual shortening of days as the year progresses; however, September still retains a generous amount of daylight compared to the darker winter months ahead, where daylight shrinks to 10 hours in both November and December. This seasonal shift not only signals the approach of autumn but also invites residents and visitors alike to enjoy the lingering warmth and vibrant sunsets.
As summer fades into fall in West Palm Beach, September brings a noticeable shift in wind patterns. With an average wind speed of 2.6 m/s (6 mph), this month registers the calmest breezes of the year. After months of relatively brisk winds, September's gentler gusts create a serene atmosphere, inviting locals and visitors alike to enjoy the outdoors. Following the peak winds of February and March, which hover around 5.0 m/s (11 mph), the decline towards September’s lighter zephyrs is striking. As the year progresses, the winds pick up again in October, suggesting a seasonal ebb and flow that characterizes this vibrant coastal city.
The weather in West Palm Beach changes throughout the year, offering a unique experience in each season. Below is a month-by-month comparison of September's weather with other months, highlighting differences in temperature, precipitation, and other key factors. Click on each section to discover seasonal trends in West Palm Beach and find detailed weather information for every month.
September and January exhibit striking contrasts in weather conditions. In September, the temperatures are significantly warmer, with a minimum of 25°C (76°F) and an average high of 33°C (91°F), while January experiences cooler temperatures ranging from a minimum of 7°C (45°F) to a maximum of 28°C (83°F). Additionally, September is marked by heavy rainfall, receiving 189 mm (7.4 in) over 24 days, in stark contrast to January's relatively dry climate with only 43 mm (1.7 in) of precipitation over just 7 days. Despite the differences in temperature and rainfall, both months share a consistent humidity level of 83%. For a more detailed look at January weather patterns, you can visit West Palm Beach weather in January.
September and February present stark contrasts in weather. September boasts warmer temperatures, with a minimum of 25°C (76°F) and averages reaching up to 28°C (83°F), while February is significantly cooler, starting at a minimum of 11°C (51°F) and averaging about 22°C (72°F). Precipitation also varies greatly: September experiences heavy rainfall with 189 mm (7.4 in) across 24 days, making it one of the wetter months, while February sees only 54 mm (2.1 in) of rain over just 9 days. When it comes to humidity, September is slightly more humid at 83%, compared to February's 80%. For a more detailed look at February weather, you can check West Palm Beach weather in February.
In September, the weather is significantly warmer and more humid, with average temperatures ranging from a minimum of 25°C (76°F) to a maximum of 33°C (91°F) and an average of 28°C (83°F). This month experiences considerable rainfall, with 189 mm (7.4 in) spread over 24 days, resulting in a humidity level of 83%. In contrast, March offers a milder climate, featuring a minimum temperature of 13°C (56°F) and a maximum of 30°C (85°F), with an average of 22°C (72°F). Rainfall is minimal in March, totaling only 36 mm (1.4 in) over 7 days and accompanied by reduced humidity at 75%. For a detailed look at the weather conditions, you can explore West Palm Beach weather in March.
When comparing the weather in September and April, a noticeable difference in temperature and humidity emerges. September tends to be much warmer, with minimum temperatures around 25°C (76°F) and an average of 28°C (83°F), peaking at 33°C (91°F). In contrast, April showcases milder conditions, starting with a minimum of 16°C (62°F) and averaging 24°C (76°F), reaching a maximum of 32°C (90°F). Additionally, September is characterized by higher precipitation, averaging 189 mm (7.4 in) across 24 days, while April is relatively drier with only 86 mm (3.4 in) over 10 days. The humidity also reflects this disparity, with September at 83% compared to April's 68%. For more detailed information, check out West Palm Beach weather in April.
In September, weather conditions tend to be warmer and more humid compared to May, with average temperatures ranging from a minimum of 25°C (76°F) to a maximum of 33°C (91°F), while May's temperatures are milder, with a range of 19°C (67°F) to 31°C (88°F). September also experiences higher precipitation levels, receiving 189 mm (7.4 in) over 24 days, compared to May's 158 mm (6.2 in) over 17 days. Furthermore, the humidity in September is significantly higher at 83%, whereas May sees a more comfortable humidity level of 65%. For a closer look at the weather specifics in May, you can visit West Palm Beach weather in May.
When comparing the weather in September to that in June, September generally showcases slightly warmer temperatures, with average highs reaching up to 33°C (91°F) compared to June's 32°C (90°F). However, June has a marginally lower minimum temperature of 23°C (75°F) versus September's 25°C (76°F). Precipitation is quite abundant in both months, but September experiences less rainfall at 189 mm (7.4 in) over 24 days, while June sees 215 mm (8.5 in) across 23 days. Furthermore, September's humidity is notably higher at 83%, compared to 73% in June, creating a different overall feel to the weather. For more detailed insights, you can check West Palm Beach weather in June.
When comparing the weather in September and July, we see that both months share similar temperature ranges, with minimums around 25°C (77°F), average temperatures of 28°C (83°F), and maximums hitting 33°C (91°F). However, September tends to be slightly wetter, with 189 mm (7.4 in) of precipitation over 24 days, compared to July's 192 mm (7.6 in) over 29 days. Additionally, September experiences higher humidity at 83%, while July's humidity is relatively lower at 77%. For a detailed look at July's weather, you can visit West Palm Beach weather in July.
In comparing the weather of September to August, both months feature similar temperature ranges, with September experiencing a minimum of 25°C (76°F) and a maximum of 33°C (91°F), while August has slightly lower maximum temperatures peaking at 32°C (90°F). However, September sees an increase in precipitation, totaling 189 mm (7.4 in) over 24 days, compared to August’s 202 mm (8.0 in) over 27 days. Additionally, September has a higher humidity level at 83%, compared to August's 80%. For more detailed information, you can visit West Palm Beach weather in August.
September and October in West Palm Beach show a notable shift in weather patterns. In September, temperatures remain warmer, ranging from a minimum of 25°C (76°F) to a maximum of 33°C (91°F), with an average of 28°C (83°F). The month experiences higher precipitation, with 189 mm (7.4 in) spread across 24 days, all while maintaining a humidity level of 83%. In contrast, October brings cooler temperatures, with a minimum of 16°C (60°F), an average temperature of 27°C (81°F), and a maximum of 31°C (88°F). Precipitation decreases slightly to 159 mm (6.3 in) over 22 days, yet the humidity remains consistent at 83%. For more details on October weather, you can visit West Palm Beach weather in October.
In September, the weather is quite warm, with average temperatures ranging from a minimum of 25°C (76°F) to a maximum of 33°C (91°F), accompanied by high humidity levels at 83%. This month experiences significant rainfall, totaling 189 mm (7.4 in) over 24 days, contributing to a humid and often wet environment. In contrast, November offers a more comfortable climate, with average temperatures decreasing to a range of 12°C (53°F) at night and peaking at 29°C (85°F) during the day. Rainfall in November is also lighter, averaging 93 mm (3.6 in) over 15 days, yet the humidity remains constant at 83%. The transition from September to November features a notable drop in both temperature and precipitation, making the latter month more pleasant. For more details, check out West Palm Beach weather in November.
September and December weather show striking contrasts. September typically experiences warmer temperatures, with a minimum of 25°C (76°F) and an average of 28°C (83°F), peaking at 33°C (91°F). It also has significantly higher precipitation, totaling 189 mm (7.4 in) over 24 days, and high humidity at 83%. In contrast, December sees milder temperatures, with a minimum of 11°C (52°F) and an average of 22°C (72°F), reaching a maximum of 28°C (83°F). Precipitation in December is considerably lower at 48 mm (1.9 in) over just 10 days, while humidity remains relatively high at 84%. For more detailed insights on December weather, you can check West Palm Beach weather in December.
As September unfolds in West Palm Beach, the weather presents a rich tapestry that sets it apart from other months. Warm temperatures linger, with highs reaching a balmy 33°C (91°F) and averages around 28°C (83°F), ensuring that summer's embrace continues. However, it also marks a significant shift with increased rainfall, as the area experiences about 189 mm (7.4 in) of precipitation over roughly 24 days. This elevated humidity, averaging 83%, contributes to a sticky atmosphere, making the air feel heavier. As the season transitions, September becomes a unique blend of warmth and moisture, hinting at the upcoming changes in the climate. For a deeper dive into the weather nuances of West Palm Beach, explore West Palm Beach Climate.