Last updated: August 31, 2025
Experience the enchanting September weather of Jobos, Puerto Rico, where temperatures typically range from a maximum of 30°C (86°F) to a comfortable average of 26°C (80°F) and a refreshing minimum of 23°C (74°F). This month brings its fair share of moisture, with 173 mm (6.8 in) of rainfall spread over 25 days, contributing to the island’s lush scenery. Coupled with a humidity level of 79%, visitors can expect a tropical ambiance perfect for both relaxation and adventure. Whether you're soaking up the sun or exploring the vibrant local culture, September in Jobos offers a captivating escape into paradise.
In September, Jobos, Puerto Rico, welcomes warm and inviting temperatures that reflect a tropical paradise. With daytime highs peaking at a comfortable 30°C (86°F) and nightly lows around 23°C (74°F), the climate remains notably consistent as summer transitions into autumn. The average temperature hovers at a pleasant 26°C (80°F), making this month ideal for beach outings and outdoor activities. As September progresses, temperatures begin to subtly taper off from the robust summer highs experienced in August, yet they still promise plenty of sunshine and warmth, encouraging visitors to embrace the vibrant local culture and stunning landscapes. The overall trend shows a steady warmth that characterizes Jobos' climate, ensuring that even in the heart of September, the allure of the island remains irresistible.
September is a noteworthy month for precipitation in Jobos, Puerto Rico, characterized by a significant uptick in rainfall. With 173 mm (6.8 inches) accumulated over 25 days, it marks the peak of the wet season, nearly doubling the amounts from the preceding months. This increase not only surpasses August's 105 mm (4.1 inches) but also leads into the high rainfall pattern typical of the fall months, with October and November still delivering robust totals. The 25 precipitation days in September indicate persistent rains, emphasizing a trend where the latter part of the year experiences heavy showers that are essential for the region’s lush landscapes. As the storm systems build, September serves as a reminder of nature’s rhythm, blending the swelter of summer with the promise of renewal.
In September, Jobos, Puerto Rico experiences a moderate humidity level of 79%, marking a slight decrease from the sweltering summer months. As the year progresses, the humidity exhibits a gradual upward trend, peaking in July at 81%. However, as the tropical heat gives way to the onset of autumn, a subtle decline is observed, reflecting a shift towards more comfortable conditions. This pattern highlights how the region’s climate remains characteristically humid but offers a brief respite as the temperatures begin to cool. Overall, September serves as a transitional month, where the lingering warmth of summer meshes with the promise of fall's relief.
In September, Jobos, Puerto Rico, experiences a UV Index of 14, maintaining its position in the extreme exposure category and a corresponding burn time of just 10 minutes. This aligns with the trend seen throughout the summer months, where values have consistently hovered between 13 and 14, suggesting a persistent need for sun protection. As the year transitions into fall, the UV Index begins to taper slightly, yet September remains one of the hottest months for UV radiation. Visitors and locals alike should remain vigilant about sun safety, especially with such high UV levels. For more detailed information, check out the Jobos UV Index.
UV Risk Categories
In September, Jobos, Puerto Rico, basks in a delightful 316 hours of sunshine, continuing a trend of bright and vibrant early fall days. While the month initially cools down compared to the sun-drenched peak of May—which boasts the highest sunshine at 359 hours—September still offers ample light, inviting locals and visitors alike to soak in the warm rays. This slight downturn is complemented by an increase in humidity as the year progresses towards the wetter months. As summer gives way to autumn, Jobos maintains a delightful balance, ensuring that outdoor activities remain enticing under the tropical sun.
In Jobos, Puerto Rico, September sees a 49% chance of sunny weather, placing it in the mid-range compared to the year-round climate patterns. As summer transitions to fall, the likelihood of sun slightly improves from the drier months of July and August, which boast only 41% and 39% respectively. Interestingly, this moderate chance aligns closely with October’s 48%, suggesting that while the summer sun dwindles, the distinct warmth of early fall still holds potential for sunny days. With November showing a notable increase to 57%, September serves as a bridge, where the vibrant tropical climate slowly begins to reclaim its brightness.
In September, Jobos, Puerto Rico enjoys a satisfying 12 hours of daylight, maintaining a trend established during the preceding summer months. Following the peak sunlight of June and July, where daylight extended to 13 hours, September marks a gradual return to shorter days as the year transitions toward autumn. This month harmoniously balances the lingering warmth of summer with the promise of fall, as daylight duration remains consistent alongside October's gradual decrease. As we move into the cooler months, the steady 12 hours in September provides ample opportunity for both relaxation and exploration in this vibrant tropical paradise.
As summer transitions to autumn in Jobos, Puerto Rico, September brings a noticeable shift in the average wind speed, dipping to 3.4 m/s (8 mph), the lowest of the year. This gentle breeze contrasts with the more spirited winds of the previous months, where July and August featured gusts around 5.6 m/s (13 mph) and 4.9 m/s (11 mph), respectively. The wind’s gradual decline reflects the seasonal change, preparing for a calmer atmosphere as the island transitions into the cooler months ahead. As October follows closely with a marginal increase to 3.8 m/s (8 mph), it signals the beginning of a more tranquil weather pattern, inviting a peaceful escape for locals and visitors alike.
Weather in Jobos varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Jobos, focusing on differences in temperature, rainfall, humidity, and UV levels.
September typically offers warmer temperatures, with averages around 26°C (80°F) and highs reaching up to 30°C (86°F), while January tends to be cooler, averaging 24°C (75°F) with a maximum of 27°C (81°F). September also experiences significantly more rainfall, with 173 mm (6.8 in) spread over 25 days, compared to January's 37 mm (1.5 in) over just 12 days. Despite slightly higher humidity in September at 79%, January remains relatively humid at 76%. For more details about the weather in January, you can visit Jobos weather in January.
In comparison to September, February typically enjoys slightly cooler temperatures, with an average of 23°C (75°F) compared to September's warmer 26°C (80°F). The maximum temperature in February reaches around 27°C (82°F), while September can go as high as 30°C (86°F). Precipitation levels also differ significantly; September experiences much heavier rainfall totaling 173 mm (6.8 in) over 25 days, whereas February sees only 39 mm (1.5 in) spread over 13 days. Additionally, February has a slightly lower humidity level at 75%, compared to September's 79%. For more detailed insights, you can visit Jobos weather in February.
When comparing the weather in September and March, several notable differences emerge. September tends to be warmer, with average temperatures ranging from a minimum of 23°C (74°F) to a maximum of 30°C (86°F). In contrast, March offers slightly cooler conditions, with temperatures averaging between 20°C (68°F) and 27°C (81°F). Additionally, September experiences significantly higher precipitation, totaling 173 mm (6.8 in) over 25 days, compared to March's more moderate 62 mm (2.4 in) spread across 16 days. Despite both months exhibiting substantial humidity, September's 79% is slightly elevated over March's 75%. For a closer look at the specifics, you can visit Jobos weather in March.
In comparing the weather of September and April, September is generally warmer and wetter. The average temperature in September reaches 26°C (80°F), with maximums soaring up to 30°C (86°F), while April has a slightly cooler average of 24°C (76°F) and max temperatures of 28°C (83°F). Precipitation levels are significantly higher in September, averaging 173 mm (6.8 in) over 25 days, compared to April's 60 mm (2.4 in) over 19 days. Humidity is also slightly elevated in September at 79% versus 76% in April. For those interested in more detailed weather conditions during this period, check out Jobos weather in April.
In comparing the weather between September and May, September tends to be slightly warmer, with average temperatures ranging from a minimum of 23°C (74°F) to a maximum of 30°C (86°F), while May features a slightly cooler range of 22°C (71°F) to 29°C (85°F). Additionally, September is significantly wetter, receiving 173 mm (6.8 in) of precipitation over 25 days, compared to May's 76 mm (3.0 in) over 20 days. Despite these differences, both months exhibit high humidity levels, with September at 79% and May at 76%. For more details on specific weather patterns in May, you can visit Jobos weather in May.
In comparing the weather patterns of September and June, both months feature similar minimum temperatures around 23°C (74°F). However, September tends to be slightly warmer overall, with an average temperature of 26°C (80°F) compared to June's 26°C (79°F) and a maximum of 30°C (86°F) versus June's 29°C (85°F). A notable difference lies in precipitation; September sees significantly higher rainfall, with 173 mm (6.8 in) falling over 25 days, while June experiences only 71 mm (2.8 in) over 19 days. Humidity levels remain comparable, with September at 79% and June at 78%. For more details on June weather in Jobos, you can visit Jobos weather in June.
When comparing the weather in September to that of July, we can see some notable similarities and differences. Both months feature a minimum temperature of 23°C (74°F), an average temperature of 26°C (80°F), and a maximum temperature around 30°C (86°F in September and 87°F in July). However, September experiences significantly more precipitation, with 173 mm (6.8 in) falling over 25 days, compared to July's 106 mm (4.2 in) over just 19 days. This results in September being slightly more humid at 79% compared to July's 81%. For more detailed insights into July weather, you can check out Jobos weather in July.
In comparing the weather of September and August, we see that both months share similar temperature patterns, with September having a minimum of 23°C (74°F) and an average of 26°C (80°F), which closely mirrors August’s figures. However, August tends to be slightly warmer at a maximum of 31°C (87°F) compared to September's maximum of 30°C (86°F). Precipitation levels also differ notably; September experiences significantly more rainfall, totaling 173 mm (6.8 in) across 25 days, while August sees only 105 mm (4.1 in) over 21 days. Humidity remains fairly consistent in both months, with September at 79% and August at 80%. For more detailed information about weather patterns, you can refer to Jobos weather in August.
In September, the weather features a minimum temperature of 23°C (74°F) and an average of 26°C (80°F), with a maximum temperature of 30°C (86°F). This month experiences higher precipitation levels, totaling 173 mm (6.8 in) spread over 25 days, alongside a humidity level of 79%. In contrast, October maintains similar temperature readings with a minimum of 23°C (74°F), an average of 26°C (79°F), and the same maximum of 30°C (86°F). However, it sees reduced precipitation at 136 mm (5.4 in) over 24 days and slightly lower humidity at 78%. For more specific insights about the weather in Jobos during October, you can visit Jobos weather in October.
September and November exhibit warm and humid conditions, but with some notable differences. In September, temperatures range from a minimum of 23°C (74°F) to a maximum of 30°C (86°F), and the month is characterized by heavy precipitation, with 173 mm (6.8 in) spread over 25 days. In contrast, November tends to be slightly cooler, with temperatures varying from 22°C (72°F) to 29°C (84°F) and reduced rainfall of 106 mm (4.2 in) over 20 days. The humidity remains similar in both months, hovering around 79% in September and 78% in November. For more detailed insights, check out Jobos weather in November.
In September, the weather tends to be warmer and wetter, with temperatures ranging from a minimum of 23°C (74°F) to a maximum of 30°C (86°F) and an average of 26°C (80°F). This month also sees high levels of precipitation, with 173 mm (6.8 in) falling over 25 days, and humidity averaging around 79%.
In contrast, December brings cooler temperatures, with a minimum of 21°C (70°F) and a maximum of 28°C (83°F), averaging at 24°C (76°F). Additionally, December experiences significantly less rainfall, with only 46 mm (1.8 in) over 16 days and a slightly lower humidity of 77%. For more specific details regarding December weather in the area, check out Jobos weather in December.
As September arrives in Jobos, the weather takes on a notably humid character, marked by increased precipitation and frequent rain showers. While this month sees temperatures remaining quite warm, they are balanced by a substantial rise in humidity compared to the drier summer months, making it feel more sultry. With nearly every day experiencing some form of rainfall, this time of year can be a lush and vibrant contrast to the drier conditions of preceding months. For those seeking to navigate these moist and warm days, it’s advisable to stay updated on the weather patterns. For more insights, visit Jobos Climate.