Last updated: August 31, 2025
Experience the tropical allure of La Parguera, Puerto Rico in September, where temperatures typically reach a maximum of 32°C (90°F) and settle to an average of 27°C (81°F), making it a warm haven for sunshine lovers. The nights cool down to a comfortable 24°C (76°F), perfect for evening strolls by the waterfront. However, prepare for the delightful rhythm of tropical rains, with 159 mm (6.2 in) of precipitation over 21 days throughout the month, contributing to the lush greenery that adorns this beautiful locale. Humidity levels hover around 79%, enhancing the vibrant atmosphere while reminding visitors of the island's enchanting tropical climate.
In September, La Parguera, Puerto Rico, experiences a warm and inviting climate, with temperatures typically ranging from a minimum of 24°C (76°F) to a maximum of 32°C (90°F). The average temperature holds steady at a pleasant 27°C (81°F), mirroring the warmth of the preceding summer months. This consistency in warmth marks a trend throughout the late summer and early autumn, as the region gradually transitions from the height of summer into the more moderate temperatures of fall. Visitors can expect balmy days perfect for enjoying the stunning coastal scenery, while the evenings remain comfortably warm, ideal for stargazing or late-night strolls by the water.
September marks a significant transition in La Parguera, Puerto Rico, as it experiences its peak precipitation for the year, receiving a substantial 159 mm (6.2 in) of rain over 21 days. This dramatic increase from previous months, especially compared to August's 96 mm (3.8 in), underscores September's status as a heavily rain-soaked month, likely influenced by the Atlantic hurricane season. The consistent rain, falling on nearly every day of the month, not only refreshes the lush landscapes but also presents challenges for locals and visitors alike, weaving a tapestry of wetness that contrasts sharply with the drier first half of the year. As the month progresses, this surge in rainfall sets the stage for the transition to the drier months that follow, making September a pivotal time in La Parguera’s climatic calendar.
In September, humidity in La Parguera, Puerto Rico, hovers around 79%, reflecting a slight decrease from the summer peak experienced in July and August, which recorded 81% and 80% respectively. This month typically marks the transition from the hotter, more humid summer months into a slightly more comfortable fall season. Observing the full year, humidity levels tend to remain high, oscillating between 75% and 81% throughout the year, with the most humid months clustering in the middle of the year. The consistent moisture in the air contributes to La Parguera's lush landscapes, making it a vibrant destination for those seeking to experience the tropical atmosphere that characterizes this beautiful region.
In September, the UV Index in La Parguera, Puerto Rico maintains a strikingly high level of 13, categorizing it as extreme. This consistency marks a trend seen throughout the summer months, where high levels of UV radiation require vigilant sun protection and limit exposure to just 10 minutes to prevent skin damage. As the season transitions into fall, although there is a slight decrease in UV Index values in October, the lingering high exposure levels remind beachgoers and outdoor enthusiasts to stay informed and protected. For a detailed look at the UV Index throughout the year, visit La Parguera UV Index.
UV Risk Categories
September in La Parguera, Puerto Rico, offers a delightful blend of sunshine with 318 hours of bright daylight, making it a perfect time for outdoor adventures. As the summer months wane, the hours of sunlight modestly taper off from the peak of 363 hours in May, yet September's warmth remains inviting. This transitional month still enjoys a robust amount of sunshine, outshining the cooler months ahead, which see varying daylight hours. October also holds strong with 317 hours, ensuring that the sunny vibes continue. Whether you seek relaxation on the beach or exploration of the lush surroundings, September's abundant sunshine promises an enchanting backdrop for unforgettable experiences.
As September rolls into La Parguera, Puerto Rico, the likelihood of enjoying sunny weather stands at 55%, positioning this month as one of the more promising times for sun-seekers. Following the warmer summer months, which see a dip in sunny days, September represents a slight rebound. It sits comfortably between the wetter summer months and the sunnier autumn days, making it an appealing choice for visitors seeking pleasant weather. With sunshine probabilities increasing from the cool January low of 54% to a much brighter end-of-year forecast, September strikes an ideal balance, promising opportunities to bask in vibrant Caribbean rays while still enjoying the lush, rejuvenated landscapes.
In September, La Parguera enjoys about 12 hours of daylight, maintaining the same duration as seen in August. This is part of a broader trend in the region, where daylight hours peak in June and July at 13 hours before gradually decreasing as the year progresses. From January to March, daylight durations are consistent at 11 to 12 hours, with a slight increase in spring before tapering off again in the fall and winter months. The rhythm of daylight in this tropical paradise reflects the beautiful transition between seasons, making La Parguera a year-round destination for sun-seekers.
As summer transitions to fall in La Parguera, Puerto Rico, September brings a noticeable calmness to the coastal breezes. With an average wind speed of just 3.1 m/s (7 mph), this month is typically the calmest of the year, a shift from the more robust winds that flourish in the preceding months of July and August, which boast average speeds of 5.1 m/s (12 mph) and 4.2 m/s (9 mph), respectively. The gentle whispers of the September wind create a tranquil atmosphere, inviting both residents and visitors to enjoy the serene beauty of the seaside. This dip in wind speed also marks a moment of reprieve before the breezy conditions return in the following months, particularly October, when speeds rise again to 4.0 m/s (9 mph), signaling the approach of the more dynamic weather of the season ahead.
Weather in La Parguera varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in La Parguera, focusing on differences in temperature, rainfall, humidity, and UV levels.
In September, the weather is typically warmer and more humid, with temperatures ranging from a minimum of 24°C (76°F) to a maximum of 32°C (90°F) and an average of 27°C (81°F). The month also sees considerable rainfall, with precipitation totaling 159 mm (6.2 in) over 21 days. In contrast, January experiences milder conditions, with temperatures ranging from a minimum of 19°C (67°F) to a maximum of 29°C (84°F) and an average of 25°C (77°F). Rainfall in January is significantly less, amounting to only 18 mm (0.7 in) over just 4 days, and the humidity remains relatively low at 76%. For more specifics about January weather, you can visit La Parguera weather in January.
September and February exhibit distinct differences in weather patterns. In September, temperatures range from a minimum of 24°C (76°F) to a maximum of 32°C (90°F), averaging around 27°C (81°F). The month sees significant rainfall, with 159 mm (6.2 in) of precipitation spread over 21 days, leading to a humidity level of 79%. In contrast, February offers milder conditions, with temperatures ranging from 21°C (70°F) to 29°C (85°F), averaging 25°C (77°F). The month is considerably drier, experiencing only 26 mm (1.0 in) of rain over just 5 days, resulting in slightly lower humidity at 75%. For more details, you can check La Parguera weather in February.
September and March present contrasting weather patterns, with September experiencing warmer temperatures and higher humidity levels. In September, temperatures range from a minimum of 24°C (76°F) to a maximum of 32°C (90°F), accompanied by significant rainfall of 159 mm (6.2 in) spread over 21 days, resulting in a humid environment with 79% humidity. In contrast, March offers milder conditions, with temperatures ranging from a minimum of 21°C (69°F) to a maximum of 28°C (83°F). The month sees much less rainfall, totaling just 49 mm (1.9 in) over 11 days, and a slightly lower humidity level at 75%. For a more detailed look at March weather in this region, you can explore La Parguera weather in March.
When comparing the weather in September and April, September is generally warmer and more humid. The average temperature in September reaches around 27°C (81°F), with maximum highs of 32°C (90°F), while April enjoys slightly cooler temperatures, averaging 25°C (77°F) with a high of 29°C (84°F). Additionally, September experiences significantly more rainfall, with 159 mm (6.2 in) over 21 days, compared to April, which sees only 49 mm (1.9 in) over 14 days. Despite being close in humidity levels, September's average humidity is slightly higher at 79% compared to April's 76%. For more detailed insights into the weather in April, you can check La Parguera weather in April.
September and May both feature warm temperatures, but September tends to be slightly hotter and wetter. In September, the average temperature reaches about 27°C (81°F) with highs of 32°C (90°F), whereas May's average is a bit lower at 26°C (79°F) and peaks at 30°C (86°F). Additionally, September experiences significantly more rainfall, with about 159 mm (6.2 in) over 21 days, compared to May's 59 mm (2.3 in) across 12 days. Humidity levels are also similar, at 79% in September and 76% in May, making for a consistently tropical climate. For more detailed information about May weather, you can visit La Parguera weather in May.
When comparing the weather in September and June, we see a few notable differences. In September, temperatures range from a minimum of 24°C (76°F) to a maximum of 32°C (90°F), with an average temperature of 27°C (81°F). This month also experiences significant rainfall, accumulating 159 mm (6.2 in) over 21 days, leading to a humidity level of 79%. In contrast, June has a slightly cooler temperature range, with a minimum of 23°C (75°F), a maximum of 31°C (88°F), and the same average of 27°C (80°F). Rainfall is much less in June, totaling only 53 mm (2.1 in) over 12 days, and the humidity is marginally lower at 78%. For more details about the weather during this month, you can check out La Parguera weather in June.
When comparing the weather in September to that of July, notable similarities and differences emerge. Both months showcase a minimum temperature of around 24°C (75°F to 76°F) and an average temperature of 27°C (81°F). However, September tends to be slightly warmer, reaching a maximum of 32°C (90°F), compared to July's peak of 31°C (88°F).
Precipitation levels also differ significantly; September experiences a surge in rainfall with 159 mm (6.2 in) over 21 days, whereas July sees much less with 86 mm (3.4 in) across 16 days. Additionally, humidity remains quite high in both months, with September at 79% and July at 81%. For more details, you can check La Parguera weather in July.
In September, the weather remains quite warm, with temperatures ranging from a minimum of 24°C (76°F) to a maximum of 32°C (90°F), maintaining the same average of 27°C (81°F) as in August. However, September experiences significantly more rainfall, totaling 159 mm (6.2 in) over 21 days, compared to August's 96 mm (3.8 in) across 16 days. Additionally, while the humidity is slightly lower in September at 79%, it remains comparable to August’s 80%. For more insights into the weather variations, check out La Parguera weather in August.
In September, the weather tends to be warm and humid, with temperatures ranging from a minimum of 24°C (76°F) to a maximum of 32°C (90°F), and an average temperature of 27°C (81°F). The month also sees significant rainfall, with 159 mm (6.2 in) of precipitation falling over 21 days, contributing to a humidity level of 79%.
In contrast, October maintains similar temperature patterns, with a consistent minimum of 24°C (75°F) and an average of 27°C (80°F), but the maximum drops slightly to 31°C (88°F). Precipitation decreases to 102 mm (4.0 in) over 20 days, resulting in a marginally lower humidity of 78%. For more detailed insights on the weather in October, you can visit La Parguera weather in October.
In September, the weather tends to be warmer and wetter, with temperatures ranging from a minimum of 24°C (76°F) to a maximum of 32°C (90°F) and an average of 27°C (81°F). It also sees significant rainfall, totaling 159 mm (6.2 in) across 21 days, coupled with high humidity at 79%. In contrast, November experiences slightly cooler temperatures, with a minimum of 23°C (73°F), an average of 26°C (79°F), and a maximum of 31°C (88°F). The month is marked by reduced precipitation, totaling 91 mm (3.6 in) over 15 days, and slightly lower humidity at 78%. For a detailed look at November weather, you can check La Parguera weather in November.
In September, the weather typically features warmer temperatures, with a minimum of 24°C (76°F) and an average of 27°C (81°F), reaching a maximum of 32°C (90°F). This month experiences considerably more precipitation, with 159 mm (6.2 in) distributed over 21 days, and humidity levels sitting around 79%. In contrast, December is slightly cooler, with temperatures ranging from a minimum of 22°C (72°F) to a maximum of 30°C (86°F) and an average of 26°C (78°F). The rainfall is significantly reduced to just 25 mm (1.0 in) over only 7 days, coupled with a slightly lower humidity of 77%. For more detailed information, you can check La Parguera weather in December.
As September rolls in, La Parguera experiences a unique blend of warmth and moisture, setting it apart from other months. With average temperatures hovering around a comfortable 27°C, days can reach heights of 32°C, creating a tropical atmosphere that’s perfect for beach outings. However, this month also sees increased rainfall, with over 20 days of precipitation contributing to a humidity level of 79%. This combination of warmth and wetness enhances the region's lush landscapes while inviting visitors to embrace the refreshing showers. For those curious about how this weather fits into the broader climate pattern, check out La Parguera Climate.