Last updated: August 31, 2025
In September, Boqueron, Puerto Rico experiences a warm tropical climate characterized by an average temperature of 27°C (82°F), with daily highs reaching up to 31°C (88°F) and lows around 24°C (76°F). This month is marked by significant precipitation, totaling 195 mm (7.7 in) over 28 days, contributing to a humidity level of 79%, creating a lush and vibrant environment. Travelers should prepare for frequent showers, as the wet conditions shape the local landscape and climate, making Boqueron a unique tropical paradise during this time of year.
In September, Boquerón, Puerto Rico experiences warm and inviting temperatures that highlight its tropical charm. With a minimum of 24°C (76°F) and an average of 27°C (82°F), the month is comfortably warm, peaking at a maximum of 31°C (88°F). As the summer gradually gives way to autumn, the heat remains consistent, mirroring the highs of the previous months while inviting beachgoers and adventure seekers to indulge in the region's stunning coastlines. The persistent warmth, along with elevated humidity, creates a vibrant atmosphere perfect for enjoying outdoor activities and savoring the rich beauty of this Caribbean paradise.
In September, Boqueron, Puerto Rico experiences a notable peak in precipitation, with an impressive 195 mm (7.7 in) of rainfall over a record 28 days. This surge marks a significant increase compared to the previous months, as the summer's gradual buildup of moisture culminates in this particularly wet period. While August also brought substantial rain at 153 mm (6.0 in), September's volumes highlight the transition into the moist autumn season. The frequency of rainfall days during this month underscores a trend of persistent showers, setting the stage for the lush landscapes that characterize the region in the aftermath of the rain. This cycle further illustrates the tropical climate's rhythmic nature, where precipitation peaks are often followed by drier months, as seen with October's subsequent drop to 187 mm (7.4 in).
In September, Boqueron, Puerto Rico experiences a humidity level of 79%, which reflects a slight dip from the 80% recorded in the peak summer months of July and August. This gradual decline is characteristic of the seasonal transition, as humidity typically begins to stabilize after the high summer readings. The trend shows that while January to May maintain relatively consistent humidity levels around 75%, it begins to rise in June and peaks in the heart of summer. Following September, the humidity decreases slightly to 78% in both October and November, indicating a shift toward more comfortable conditions as the island approaches the cooler months. Overall, the humidity in Boqueron illustrates a rhythm that aligns closely with the tropical climate, providing a dynamic backdrop to the vibrant life and culture of the area.
As September rolls into Boqueron, Puerto Rico, residents and visitors face an alarming UV Index of 14, marking it as one of the month's peak levels of exposure categorized as extreme. This trend towards higher UV indices is consistent throughout the summer months, where a steady UV Index of 13 dominated from May to August, suggesting that sun protection is crucial for nearly half the year. Notably, the burn time decreases to just 10 minutes, emphasizing the intensity of the sun during this period. As October approaches, expect a slight decline with a UV Index of 12, but the trend of extreme exposure remains dominant. For more detailed insights and monthly updates on sun safety, visit the Boqueron UV Index.
UV Risk Categories
As September rolls into Boqueron, Puerto Rico, residents and visitors alike can bask in 318 hours of glorious sunshine, a delightful transition from the vibrant summer months. Following the peak sunshine seen in May with 357 hours, the sunshine hours remain consistently generous throughout the fall, reflecting a gradual shift as the days begin to shorten. Compared to August’s 349 hours, September still offers ample sunlight, making it an ideal time for beach outings and outdoor adventures. The steady decline in daylight hours as we move towards October, with 316 hours, hints at the splendid autumn atmosphere ahead, ensuring that the warm embrace of the sun continues to be a cherished companion in this beautiful coastal paradise.
September in Boquerón, Puerto Rico, offers a moderate likelihood of sunny weather, with a 46% chance of clear skies. As the summer months wind down, the sun gradually reclaims its presence, providing a refreshing respite from the preceding wetter conditions. This trend is reflected in the transition from the drier phases of early fall, compared to the notably low sunshine in June and July. While September may not boast the sunniest days of the year, it offers a balance of warmth and cloud cover, ideal for those looking to enjoy the island's beauty in a more tranquil atmosphere. Visitors can expect a blend of sunshine and occasional overcast skies, perfect for both relaxation and exploration.
In September, the vibrant town of Boqueron, Puerto Rico, enjoys a delightful 12 hours of daylight, maintaining the sun-soaked trend established in the preceding months of June, July, and August. This period marks a transition as the summer's longer days begin to gracefully wane, setting the stage for a gradual return to the 11-hour daylight seen in the cooler months. As the equinox approaches, residents and visitors alike can relish the perfect balance of sunlit adventures and warm tropical evenings, embodying the essence of island life as summer gives way to fall.
In Boqueron, Puerto Rico, the September wind brings a gentle lull, with average wind speeds dropping to a soft 3.2 m/s (7 mph)—the calmest of the year. This decline from the lively gusts of summer, peaking in July and August at 5.0 m/s (11 mph), signals a transition as the island begins to shift into the later months. With winds generally peaking around mid-year, September offers a serene respite that invites locals and visitors alike to enjoy the tranquil seaside atmosphere, making it a perfect time for leisurely beach strolls and water activities at a more relaxed pace. As the winds gradually pick up again into autumn, September stands out as a month of stillness amidst the vibrant tropical backdrop.
Weather in Boqueron varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Boqueron, focusing on differences in temperature, rainfall, humidity, and UV levels.
September weather is characterized by warmer temperatures and higher humidity, with average temperatures reaching around 27°C (82°F) and maximums peaking at 31°C (88°F). Additionally, September experiences significant rainfall, with about 195 mm (7.7 in) of precipitation over 28 days, contributing to a humid environment with a humidity level of 79%.
In contrast, January presents a cooler and drier climate, with average temperatures dropping to 25°C (77°F) and maximums around 28°C (83°F). Rainfall is considerably reduced in January, totaling only 57 mm (2.3 in) over 17 days, and humidity levels remain slightly lower at 76%. For a more detailed look at January weather, you can check Boqueron weather in January.
September and February exhibit notable differences in weather patterns. September tends to be warmer, with minimum temperatures around 24°C (76°F) and an average high of 31°C (88°F), while February is slightly cooler, ranging from a minimum of 21°C (70°F) to a maximum of 27°C (81°F). Additionally, September experiences significantly more rainfall, with 195 mm (7.7 in) of precipitation occurring over 28 days, compared to February's 61 mm (2.4 in) across 21 days. The humidity levels are also slightly higher in September at 79%, while February has a more moderate humidity of 75%. For more specific insights into February weather, you can visit Boqueron weather in February.
In September, temperatures are generally warmer, ranging from a minimum of 24°C (76°F) to a maximum of 31°C (88°F), with an average of 27°C (82°F). This month also experiences high humidity at 79% and substantial rainfall, totaling 195 mm (7.7 in) over 28 days. In contrast, March presents milder conditions with temperatures varying from a minimum of 22°C (72°F) to a maximum of 28°C (82°F), and an average temperature of 25°C (76°F). The precipitation in March is significantly lower at 78 mm (3.1 in) spread across 22 days, accompanied by slightly reduced humidity at 74%. For more detailed information about the weather in Boqueron during March, you can refer to Boqueron weather in March.
September and April exhibit distinct weather characteristics, showcasing the transition from summer to early autumn in the former and the onset of spring in the latter. In September, temperatures range from a minimum of 24°C (76°F) to a maximum of 31°C (88°F), with an average of 27°C (82°F). The month is marked by significant rainfall, totaling 195 mm (7.7 in) over 28 days, contributing to high humidity levels at 79%. In contrast, April presents slightly cooler temperatures, with a minimum of 22°C (71°F) and a maximum of 29°C (84°F), averaging 25°C (77°F). Precipitation is considerably lower at 79 mm (3.1 in) across 20 days, and humidity remains relatively stable at 75%. For more detailed insights into the weather during this month, check out Boqueron weather in April.
When comparing the weather in September and May, September tends to be warmer and wetter. In September, temperatures range from a minimum of 24°C (76°F) to a maximum of 31°C (88°F), with an average of 27°C (82°F). Additionally, it experiences significant precipitation of 195 mm (7.7 in) over 28 days, resulting in a humidity level of 79%. In contrast, May has slightly cooler temperatures, with a minimum of 23°C (73°F) and a maximum of 29°C (85°F), averaging 26°C (79°F). The month also sees less rainfall, with 109 mm (4.3 in) over 26 days and a humidity level of 75%. For more detailed information, you can check Boqueron weather in May.
In comparing the weather between June and September, we see that both months experience similar minimum and average temperatures, hovering around 24°C (75°F to 76°F) and 27°C (80°F to 82°F) respectively. However, September tends to be slightly warmer with a maximum temperature of 31°C (88°F), compared to June's maximum of 30°C (87°F). One notable difference is the precipitation levels; September receives significantly more rainfall at 195 mm (7.7 in), spread over 28 days, while June has only 110 mm (4.3 in) across 26 days. The humidity is also a bit higher in September at 79%, compared to June's 77%. For a more detailed look at June's weather, you can visit Boqueron weather in June.
When comparing the weather in September and July, it becomes evident that both months exhibit warm temperatures, with average highs of around 31°C (88°F) in September and 30°C (86°F) in July. While both months have similar minimum temperatures of 24°C (76°F), September tends to be slightly wetter, receiving 195 mm (7.7 in) of precipitation over 28 days compared to July's 149 mm (5.9 in) over 27 days. Additionally, humidity levels are slightly higher in September at 79%, versus 80% in July. For more detailed insights on July weather, you can check Boqueron weather in July.
In September, the weather shows a slight increase in maximum temperatures, averaging 31°C (88°F), compared to August’s peak of 30°C (87°F). Both months share the same minimum and average temperatures, at 24°C (76°F) and 27°C (82°F), respectively. However, September experiences more precipitation, with 195 mm (7.7 in) over 28 days, while August records 153 mm (6.0 in) over 27 days, making September the wetter of the two months. Humidity levels are relatively similar, with September at 79% and August slightly higher at 80%. For more detailed information about August weather, you can refer to Boqueron weather in August.
In September, the weather tends to be slightly warmer, with temperatures ranging from a minimum of 24°C (76°F) to a maximum of 31°C (88°F) and an average of 27°C (82°F). This month also sees higher precipitation with 195 mm (7.7 in) spread over 28 days and humidity levels hovering around 79%.
In contrast, October experiences a slight decrease in temperature, peaking at 30°C (87°F) while maintaining a similar minimum of 24°C (75°F) and an average of 27°C (81°F). The rainfall in October totals 187 mm (7.4 in) across 26 days, with humidity remaining comparable at 78%. Overall, while both months are characterized by warm temperatures and significant rainfall, October offers a marginally cooler and drier climate. For more details, you can check Boqueron weather in October.
In September, the weather is typically warmer, with minimum temperatures around 24°C (76°F) and average highs reaching 31°C (88°F). The humidity remains high at 79%, and rainfall is substantial, totaling 195 mm (7.7 in) over 28 days. In contrast, November experiences slightly cooler temperatures, with a minimum of 23°C (74°F) and maximums of 29°C (85°F), while average humidity drops slightly to 78%. Rainfall is also reduced to 131 mm (5.2 in) over 25 days, making November a bit drier overall. For more details about weather trends in November, check out Boqueron weather in November.
September and December display distinct weather patterns. In September, temperatures range from a minimum of 24°C (76°F) to a maximum of 31°C (88°F), with an average of 27°C (82°F). The month experiences substantial rainfall, totaling 195 mm (7.7 in) across 28 days, coupled with high humidity levels at 79%. In contrast, December sees slightly cooler temperatures, with a minimum of 23°C (73°F), an average of 26°C (78°F), and a maximum of 29°C (85°F). Rainfall significantly decreases to 81 mm (3.2 in) over 24 days, along with a slight drop in humidity to 76%. For more detailed weather information, visit Boqueron weather in December.
As September unfolds in Boquerón, the weather begins to shift noticeably, embracing a blend of warmth and moisture that sets it apart from other months. Temperatures remain comfortably high, averaging around 27°C, but the increased humidity of 79% can make the air feel more intense. Frequent rain showers contribute to a significant increase in precipitation, with nearly every day experiencing some level of rainfall, making September one of the wettest months of the year. This combination of heat and humidity, alongside the skies often filled with clouds, creates a distinct tropical atmosphere. For a more detailed overview of what to expect throughout the year, check out Boqueron Climate.