Last updated: August 31, 2025
September in La Playa, Puerto Rico offers a tropical blend of warmth and humidity, featuring maximum temperatures around 31°C (87°F) and an average of 28°C (82°F). Low nightly temperatures typically drop to a comfortable 25°C (78°F), making evenings pleasant. This month also sees a fair share of rainfall, with 141 mm (5.5 in) of precipitation spread over 18 days, contributing to the region's lush landscapes. With humidity levels averaging 79%, visitors should be prepared for a balmy atmosphere, perfect for enjoying the island's vibrant culture and stunning coastal views.
In September, La Playa, Puerto Rico, continues to bask in the warmth of summer, with temperatures reflecting a delightful tropical climate. The month showcases a minimum of 25°C (78°F) and an average of 28°C (82°F), peaking at a maximum of 31°C (87°F). This slight but consistent rise in temperatures from earlier months signals the enduring warmth that characterizes the Caribbean. Comparatively, September mirrors August’s warm embrace, inviting beachgoers to enjoy the sun and sea. As summer transitions into fall, the tropical allure remains strong, making it an ideal time to relax on the sandy shores or explore the vibrant local culture.
September marks a remarkable shift in precipitation levels for La Playa, Puerto Rico, with a striking total of 141 mm (5.5 in) of rain, making it the wettest month of the year. The increase is evident as precipitation days peak at 18 days, highlighting a notable surge in wet weather. Compared to the preceding months, September's rainfall significantly outpaces August’s 64 mm (2.5 in) and July’s 69 mm (2.7 in), signaling a seasonal transition toward heavier downpours. This trend not only underscores the intensity of the island’s tropical climate but also prepares the landscape to flourish in the subsequent months, setting the stage for a vibrant autumn.
In September, La Playa, Puerto Rico experiences a humidity level of 79%, which reflects a slight decrease from the peak summer months of July and August, both sitting at 80%. Throughout the year, humidity in this tropical paradise tends to hover around the mid to high seventies, with January recording 76% and a subtle uptick to 77% in June. As the seasons shift, humidity gradually rises until it peaks in the summer before tapering off again in the fall. This consistent trend of elevated humidity underscores the island's tropical climate, making it a lush and vibrant destination even as it approaches the cooler months of October and November, where humidity levels remain comfortably high at 78%.
September in La Playa, Puerto Rico, continues the trend of intense summer sun with a UV Index of 13, categorized as extreme. This level of UV radiation means that just 10 minutes of unprotected sun exposure could lead to skin damage. Following a pattern seen from May through October, September maintains this heightened level of UV intensity, suggesting that outdoor enthusiasts should prioritize safety measures such as sunscreen and protective clothing. As the year transitions into autumn, it's essential to remain vigilant as the UV Index dips slightly in October, indicating a modest decrease in risk. For more detailed insights on UV levels throughout the year, check out La Playa UV Index.
UV Risk Categories
September shines brightly in La Playa, Puerto Rico, showcasing a delightful 316 hours of sunshine that marks a transition from the summer's peak. Following the sun-soaked months of May and July, which both boast 361 hours, September maintains a robust level of sunlight while signaling the onset of fall. Interestingly, while sunshine dips slightly in this month compared to the summer highs, it remains well above the averages seen in November and December. The consistency in hours—from the summer's lush brightness to the more moderate fall—demonstrates La Playa's enviable climate, making September an ideal time to bask in the warm rays before the year comes to a close. Whether it’s lounging on the beach or exploring the vibrant local culture, visitors can revel in a climate that delivers sunshine almost year-round.
In La Playa, Puerto Rico, September boasts a 57% chance of sunny weather, making it a delightful time to enjoy the island's natural beauty. As summer winds down, this month reflects a slight rebound from the sunnier spells of February (80%) and November (65%), demonstrating that while the seasonal shift brings some cloud cover, there remain ample opportunities for sun-soaked adventures. Interestingly, September’s weather patterns also show resilience compared to the notable dip in sunshine during the humid months of June (33%) and July (50%). This makes September a sweet spot for those looking to experience warm beach days before the onset of autumn.
In September, La Playa, Puerto Rico enjoys a delightful 12 hours of daylight, maintaining a steady balance as summer transitions into fall. As the year unfolds, the daylight duration peaks during the vibrant months of June and July with 13 hours of sunlight, inviting both locals and tourists to soak up the sun. Following these summer months, daylight gradually tapers down, yet September retains the same sunlit hours as in March, April, May, and August. This consistency not only reflects pleasant weather but also sets the stage for a beautiful fall, as daylight further decreases to 11 hours in October. Overall, the daylight trends in La Playa highlight the region's enviable climate, ensuring ample opportunity for outdoor activities and relaxation year-round.
As summer transitions into fall, the winds in La Playa, Puerto Rico, begin to soften, with September recording an average wind speed of 3.4 m/s (8 mph)—the calmest of the year. This gentle breeze marks a notable drop from the summer months, where speeds hovered around 4.0 m/s (9 mph) in both July and August. The prevailing trend showcases a gradual decline in wind velocity as the year progresses, peaking in the colder months of January and February, which experience average speeds of around 4.3 to 4.8 m/s (10 to 11 mph). This seasonal shift reflects not just the rhythm of weather patterns, but a tranquil charm that makes September an inviting time for relaxation and exploration along the picturesque shores of Puerto Rico.
Weather in La Playa varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in La Playa, focusing on differences in temperature, rainfall, humidity, and UV levels.
In comparing the weather between September and January, it becomes clear that September is notably warmer and wetter. September boasts average temperatures ranging from a minimum of 25°C (78°F) to a maximum of 31°C (87°F), while January presents milder conditions with temperatures averaging between 23°C (73°F) and 28°C (84°F). Additionally, September experiences significantly more precipitation, with 141 mm (5.5 in) over approximately 18 days, compared to January's gentle 16 mm (0.6 in) of rain over just 4 days. Furthermore, the humidity remains relatively high in both months, with September at 79% and January slightly lower at 76%. For more details on January weather, you can check out La Playa weather in January.
In September, the weather tends to be warmer and more humid, with temperatures ranging from a minimum of 25°C (78°F) to a maximum of 31°C (87°F), and an average of 28°C (82°F). However, this month also brings significant rainfall, with about 141 mm (5.5 in) of precipitation over 18 days, resulting in a humidity level of 79%. In contrast, February offers a milder climate with temperatures varying from a low of 22°C (72°F) to a high of 28°C (83°F), averaging around 25°C (77°F). Precipitation is much lower during this month, amounting to only 21 mm (0.8 in) across 7 days, and the humidity is slightly reduced at 75%. For a detailed look at February weather, check out La Playa weather in February.
Comparing the weather in September and March reveals notable differences in temperature, precipitation, and humidity. September tends to be warmer, with average temperatures ranging from 25°C (78°F) to a maximum of 31°C (87°F), while March offers slightly cooler temperatures, averaging between 22°C (73°F) and 28°C (83°F). Precipitation in September is significantly higher, with 141 mm (5.5 in) over 18 days, compared to just 38 mm (1.5 in) over 11 days in March, resulting in generally drier conditions during the latter month. Additionally, humidity is slightly lower in March at 74%, compared to September's 79%. For more detailed insights, you can refer to La Playa weather in March.
In comparing the weather of September and April, September tends to be hotter and wetter. The average temperature in September reaches around 28°C (82°F), with maximums of 31°C (87°F), while April is slightly cooler, averaging 26°C (78°F) and peaking at 29°C (84°F). Additionally, September experiences significantly higher precipitation, with 141 mm (5.5 in) over 18 days, compared to only 39 mm (1.5 in) across 12 days in April. The humidity levels are also higher in September at 79%, slightly more than April's 75%. For a more detailed look at April weather, check out La Playa weather in April.
In comparing the weather of September and May, September tends to be warmer and more humid. With an average temperature of 28°C (82°F) and a maximum of 31°C (87°F), it is slightly hotter than May, which has an average of 26°C (80°F) and peaks at 29°C (85°F). September also sees significantly higher precipitation, with 141 mm (5.5 in) over 18 days, compared to May's 49 mm (1.9 in) across 14 days, contributing to a more humid environment with a humidity level of 79%. In contrast, May experiences a more moderate humidity of 75%. For more detailed information about May weather, you can check La Playa weather in May.
In comparing the weather between September and June, both months feature warm temperatures, but September tends to be slightly warmer overall. September boasts an average temperature of 28°C (82°F), with a minimum of 25°C (78°F) and a maximum of 31°C (87°F), compared to June's average of 27°C (81°F) with a minimum of 24°C (76°F) and a maximum of 30°C (87°F). Moreover, September experiences significantly higher precipitation, accumulating 141 mm (5.5 in) over 18 days, while June sees only 48 mm (1.9 in) of rain over 14 days. Humidity levels are also comparable, with September at 79% and June at 77%. For more detailed information, you can check La Playa weather in June.
In comparing the weather of September and July, both months experience similar temperature ranges, with minimums at 25°C (78°F), averages around 28°C (82°F), and maximums of 31°C (87°F in September and 88°F in July). However, September tends to be wetter, with a notable increase in precipitation at 141 mm (5.5 in) over 18 days, compared to July's 69 mm (2.7 in) over 15 days. Both months maintain high humidity levels, around 79% in September and slightly higher at 80% in July. For more insights on July weather specifics, you can check La Playa weather in July.
In comparing the weather of September to August, we see that both months share a similar temperature range, with minimum and average temperatures staying consistent at around 25°C (78°F) and 28°C (82°F), respectively. However, August features a slightly higher maximum temperature of 31°C (88°F) compared to September's 31°C (87°F). Notably, September experiences significantly more precipitation, with 141 mm (5.5 in) over 18 days, in contrast to August's more manageable 64 mm (2.5 in) across 15 days. Humidity levels remain relatively close, with September at 79% and August at 80%. For more details, you can check out La Playa weather in August.
September and October weather exhibit some similarities but also notable differences. Both months maintain warm temperatures, with September having an average of 28°C (82°F) and October slightly cooler at 27°C (81°F). The maximum temperatures remain consistent, peaking at around 31°C (88°F) in both months.
However, October experiences significantly less rainfall, with only 71 mm (2.8 in) compared to September's 141 mm (5.5 in). This reduction is reflected in the fewer days of precipitation in October, which occur on 14 days compared to 18 in September. Humidity levels remain quite similar, with September at 79% and October at 78%. For more detailed insights into October's climate, you can visit La Playa weather in October.
In September, temperatures are typically higher, with a minimum of 25°C (78°F) and an average of 28°C (82°F), peaking at 31°C (87°F). This month also experiences significant rainfall, with 141 mm (5.5 in) over approximately 18 days, and humidity levels often reaching around 79%. In contrast, November sees slightly cooler temperatures, with a minimum of 24°C (76°F) and an average of 27°C (80°F), and a maximum of 30°C (86°F). Additionally, rainfall is reduced to 66 mm (2.6 in) over about 13 days, and humidity remains fairly consistent at 78%. For more detailed weather insights, you can check La Playa weather in November.
In September, the weather tends to be warmer and more humid, with average temperatures ranging from 25°C (78°F) to a maximum of 31°C (87°F). The month is also characterized by considerable rainfall, receiving around 141 mm (5.5 in) of precipitation over 18 days, contributing to a humidity level of 79%. In contrast, December experiences milder temperatures, with averages from 23°C (74°F) to a maximum of 29°C (84°F), and significantly less rainfall totaling just 19 mm (0.8 in) over 4 days. The humidity slightly decreases to 76%, making it a more comfortable time of year. For more detailed information, you can check out La Playa weather in December.
As September rolls in, La Playa experiences a shift in its weather patterns that sets it apart from the drier summer months. With temperatures peaking at a warm 31°C and a notable increase in humidity levels—hovering around 79%—visitors can expect a tropical ambiance that feels more intense. This month also sees a significant rise in rainfall, with precipitation occurring on nearly two-thirds of the days, making it one of the wetter times of the year. Despite the higher chances of showers, the lush landscape and vibrant surroundings of La Playa continue to captivate, offering a unique charm during this time. For more insights on what to expect throughout the year, explore La Playa Climate.