September Weather in Jarabacoa, Dominican Republic

Last updated: August 21, 2025

September in Jarabacoa, Dominican Republic, presents a mild and humid climate, perfect for those seeking a lush, tropical experience. With average temperatures hovering around 20°C (69°F), peaking at a comfortable 27°C (80°F) and dipping to a refreshing 15°C (59°F), the weather is conducive for both outdoor adventures and relaxing retreats. However, be prepared for the frequent rainfall, as 224 mm (8.8 in) of precipitation graces the area across 24 days, contributing to the region's vibrant greenery. With humidity levels at 73%, the air feels alive, enhancing the intrinsic beauty of Jarabacoa's stunning landscapes.

September Temperature in Jarabacoa

In September, Jarabacoa, Dominican Republic, experiences a delightful microclimate, with temperatures that reflect the gradual transition into autumn. The month typically sees a minimum temperature of 15°C (59°F), and an average of 20°C (69°F), allowing for comfortable mornings and pleasant afternoons. With a maximum reach of 27°C (80°F), the days remain warm yet manageable, perfect for outdoor exploration. This pattern mirrors the preceding months, showcasing a slight cooling trend from the warmer summer temperatures of July and August, while maintaining a stable warmth that invites both relaxation and adventure amidst the lush, mountainous backdrop. As fall approaches, September's climate enchants both locals and visitors, making it a prime time for enjoying Jarabacoa’s stunning natural beauty.

September Weather in Jarabacoa: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Jarabacoa, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Jarabacoa, September typically has an average temperature of {2}°C ({3}°F), with highs reaching up to {4}°C ({5}°F) and lows dropping to around {6}°C ({7}°F).
JanFebMarAprMayJunJulAugSepOctNovDec636364666768696969686664
Data source: Temperature data for Jarabacoa generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

September Precipitation in Jarabacoa

In September, Jarabacoa experiences a significant spike in precipitation, with an impressive 224 mm (8.8 in) of rainfall spread over 24 days. This marks the wettest month of the year, surpassing even the heavy rains of May and March, which traditionally bring substantial moisture. The increase in rainfall during September illuminates a shift towards the latter part of the rainy season, setting the stage for the lush landscapes that characterize this region. As the moisture-laden clouds gather, the vibrant greenery thrives, showcasing nature's resilience and beauty amidst the frequent showers. The dramatic jump in both precipitation amount and the number of rainy days not only shapes the local environment but also highlights the importance of this month in sustaining the region's ecological balance.

September Precipitation Trends in Jarabacoa

The chart displays monthly precipitation patterns in Jarabacoa, with values for each month alongside September’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how September’s conditions compare to those of other months. In Jarabacoa, September typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec614616115919614512614922417910937
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

September Humidity in Jarabacoa

September in Jarabacoa, Dominican Republic, marks a notable increase in humidity, with levels reaching 73%. This rise follows the peak of the rainy season, characterized by August's high humidity of 71%. As the summer months wane, humidity sees a gradual uptick, particularly from July's 63%, suggesting that the transition from summer to the impending autumn brings more moisture to the air. Although humidity slightly decreases in October to 72%, the overall trend highlights September as a pivotal month, setting the tone for the wetter conditions that follow. This pattern reflects the lush, tropical climate that Jarabacoa is renowned for, enhancing its vibrant landscapes.

September Average Humidity in Jarabacoa

This chart illustrates the average monthly humidity levels in Jarabacoa, with September’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In September, average humidity in Jarabacoa is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec65%63%59%58%57%57%63%71%73%72%72%69%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Jarabacoa

In September, Jarabacoa maintains an extreme UV Index of 13, indicating a need for strong sun protection, as the burn time is just 10 minutes. This trend of high UV exposure is consistent with the preceding summer months, where similar readings were recorded throughout June, July, and August. Notably, the intensity of the UV Index peaks in the spring months of March, April, and May, reaching an impressive 14. As the year progresses toward the cooler winter months, the UV levels begin to drop, with values falling to 12 in October and down to 9 by January. For those planning outdoor activities, it’s essential to keep these UV levels in mind. Stay informed about the UV Index trends in Jarabacoa to ensure safe sun exposure; for more details, visit Jarabacoa UV Index.

Maximum UV Index Levels in Jarabacoa for September

The chart shows the monthly maximum UV Index (UVI) for Jarabacoa in September, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In September, the maximum UV index in Jarabacoa typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec912141414131313131298
Data source: Jarabacoa September UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

September Sunshine in Jarabacoa

In September, Jarabacoa, Dominican Republic, enjoys a delightful balance of sunshine, accumulating 313 hours of brilliant light. As summer transitions to fall, the region experiences a gentle decline in sunlight, yet the hours remain remarkably generous compared to the more overcast months of November and December. The peak of summer shines brightest in July, with an impressive 362 hours, while September's totals hold steady, offering warmth and vibrant days just before the cooler months settle in. This pattern highlights Jarabacoa’s favorable climate, where sunshine is a constant companion throughout the year, inviting residents and visitors to bask in its glow even as the days begin to shorten.

Monthly Sunshine Duration in Jarabacoa: September Highlighted

The September sunshine duration represents the total number of hours Jarabacoa experiences direct sunlight during the month of September, excluding cloudy or obstructed periods. This chart compares the sunshine duration of September with the other months of the year.
JanFebMarAprMayJunJulAugSepOctNovDec252h304h340h341h347h348h362h347h313h310h289h316h
Data source: Jarabacoa September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Jarabacoa During September

In September, Jarabacoa, Dominican Republic, enjoys a 40% chance of sunny weather, maintaining a relatively favorable outlook as the month progresses. This is a slight increase from the previous months like August (29%) and July (34%), reflecting a gradual shift towards clearer skies. It's interesting to note that, while June experiences the lowest likelihood of sunshine at just 22%, the trend sees a gradual recovery through late summer into early fall. Following September, the likelihood dips to 28% in October before picking up again in November at 41%. Overall, September strikes a sweet balance between lingering summer warmth and the promise of drier days, making it an appealing time for outdoor activities in this picturesque region.

Percentage of Sunny Days in September in Jarabacoa

The chart illustrates the percentage of sunny days in Jarabacoa throughout the year, with September highlighted. It highlights the variation in sunshine across each month and provides an overview of the typical frequency of sunny days, offering insights into how often Jarabacoa experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec37%50%46%36%36%22%34%29%40%28%41%51%
Data source: Jarabacoa September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Jarabacoa in September

In September, Jarabacoa enjoys 12 hours of daylight, marking a continuation of the summer's abundant light before gradually transitioning into the shorter days of fall. This month typically maintains the same daylight duration as August, following an upward trend from 11 hours in the early months, peaking at 13 hours during the summer. As the year progresses, daylight remains consistent through the early fall, hinting at nature's rhythm of gradual change. With its lush landscapes and vibrant culture, September provides ample time to explore and experience the enchanting beauty of Jarabacoa under the welcoming sun.

Average Daylight Hours in Jarabacoa for September

The chart illustrates the variation in daylight duration in Jarabacoa throughout the year, with September highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec11h 7m11h 31m12h 2m12h 34m13h 1m13h 14m13h 7m12h 43m12h 12m11h 41m11h 13m11h
Data source: Jarabacoa daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Jarabacoa

In September, the winds in Jarabacoa, Dominican Republic, experience a gentle lull, averaging a modest 1.4 m/s (3 mph). This slight decline follows a summer season characterized by slightly brisker breezes, with July and August peaking at 2.2 m/s (5 mph) and 2.0 m/s (4 mph), respectively. As the region transitions from the vibrant summer months into the fall, the wind softens, providing a serene atmosphere ideal for relaxation and outdoor pursuits. Notably, this trend of waning winds continues into October, hinting at a calm and peaceful change in the season, with average speeds dipping further to 1.3 m/s (3 mph). Thus, September's gentle winds usher in a tranquil period in Jarabacoa, delivering a refreshing reprieve from the summer heat.

Average September Wind Speed in Jarabacoa

The chart displays monthly wind speed patterns in Jarabacoa, with values for each month shown alongside September's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how September's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec1.72.21.91.61.61.82.22.01.4 m/s1.31.51.8
Data source: Jarabacoa September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Jarabacoa Compares to Other Months

Weather in Jarabacoa varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Jarabacoa, focusing on differences in temperature, rainfall, humidity, and UV levels.

In September, the weather is notably warmer, featuring average temperatures around 20°C (69°F) and reaching up to a maximum of 27°C (80°F). However, it also brings frequent rain with a total of 224 mm (8.8 in) over approximately 24 days, along with higher humidity levels at 73%. In contrast, January offers a more moderate climate, with averages of 17°C (63°F) and highs of 25°C (77°F). It is considerably drier, receiving only 61 mm (2.4 in) of precipitation over about 11 days and 65% humidity. For more insights on January weather, you can check Jarabacoa weather in January.

September and February present contrasting weather patterns. September boasts warmer temperatures, with averages around 20°C (69°F) and highs reaching up to 27°C (80°F), while February is cooler, featuring an average temperature of 17°C (63°F) and a maximum of 25°C (76°F). Additionally, September experiences significantly more precipitation, with 224 mm (8.8 in) falling over 24 days, compared to February's modest 46 mm (1.8 in) across just 14 days. Humidity levels are also higher in September at 73%, whereas February sees a lower humidity of 63%. For a more detailed look, you can check Jarabacoa weather in February.

In September, the weather tends to be warmer and more humid than in March, with average temperatures ranging from a minimum of 15°C (59°F) to a maximum of 27°C (80°F). This month also experiences higher precipitation levels, with 224 mm (8.8 in) falling over 24 days, contributing to an average humidity of 73%. In contrast, March shows a cooler climate, where temperatures range from a minimum of 10°C (50°F) to a maximum of 26°C (78°F). Precipitation during this month is less frequent, totaling 161 mm (6.3 in) over 18 days, and the humidity decreases to 59%. For more specific insights into March weather in Jarabacoa, you can visit Jarabacoa weather in March.

When comparing the weather in September and April, there are some notable differences. September tends to be slightly warmer, with average temperatures around 20°C (69°F) and a maximum of 27°C (80°F), whereas April's average temperature is a bit cooler at 19°C (66°F), despite both months reaching the same maximum of 27°C (81°F). Additionally, September experiences significantly more rainfall, with precipitation of 224 mm (8.8 in) over 24 days, compared to April's 159 mm (6.3 in) over 20 days. Humidity levels are also higher in September at 73%, compared to April's 58%. For more detailed information about April conditions, you can check Jarabacoa weather in April.

Comparing the weather in September and May reveals some interesting similarities and differences. Both months enjoy a similar average temperature of around 20°C (68°F), with September experiencing slightly warmer maximum temperatures of up to 27°C (80°F), compared to May's peak at 26°C (80°F). However, September is notably wetter, with 224 mm (8.8 in) of precipitation over 24 days, while May sees less rainfall at 196 mm (7.7 in) across 25 days. Additionally, September's humidity level is noticeably higher at 73%, creating a more muggy atmosphere compared to May's more comfortable 57% humidity. For those interested in a deeper look into the specifics, check out Jarabacoa weather in May.

In comparing the weather between September and June, both months exhibit similar temperature ranges, with September having a slightly higher maximum temperature of 27°C (80°F) compared to June's 26°C (79°F). However, September is notably wetter, with 224 mm (8.8 in) of precipitation over 24 days, while June sees only 145 mm (5.7 in) across 21 days. Additionally, September is more humid at 73%, in contrast to June's lower 57% humidity level. For more specific details about June's climate, you can visit Jarabacoa weather in June.

In comparing the weather between September and July, we see some notable similarities and differences. Both months have an average temperature of 20°C (69°F), with maximum temperatures peaking at 27°C (80°F). However, September tends to be slightly cooler at night, with a minimum temperature of 15°C (59°F) compared to July’s 16°C (61°F).

Precipitation is significantly higher in September, with 224 mm (8.8 in) over 24 days, while July sees 126 mm (5.0 in) across 23 days. Additionally, humidity levels are greater in September at 73%, compared to 63% in July. This higher humidity in September contributes to a more damp and potentially uncomfortable environment. For a closer look at July's climate specifics, refer to Jarabacoa weather in July.

In August, the weather typically features a minimum temperature of 16°C (60°F) and an average of 21°C (69°F), reaching a maximum of 27°C (81°F). The month experiences around 148 mm (5.8 in) of precipitation over 22 days, with a humidity level of 71%. In contrast, September sees slightly cooler temperatures, with a minimum of 15°C (59°F) and the same maximum of 27°C (80°F), while the average remains at 20°C (69°F). Rainfall increases significantly to 224 mm (8.8 in) across 24 days, contributing to a marginally higher humidity of 73%. For more detailed information on August weather, you can check Jarabacoa weather in August.

September and October show similar temperature ranges, with both months averaging around 20°C (68°F) and peaking at 27°C (80°F), making the warm days feel quite consistent. However, September is wetter, receiving 224 mm (8.8 in) of precipitation over 24 days compared to October’s 179 mm (7.1 in) over just 21 days, indicating a slight relief in rainfall as the months progress. Humidity levels remain comparable, with September at 73% and October slightly lower at 72%, contributing to a continual tropical feel. For more details on October's weather specifics, you can check out Jarabacoa weather in October.

In September, the weather tends to be warmer with average temperatures ranging from a minimum of 15°C (59°F) to a maximum of 27°C (80°F), while November sees slightly cooler temperatures, averaging between 11°C (53°F) and 25°C (78°F). Additionally, September experiences significantly higher precipitation, with 224 mm (8.8 in) spread across 24 days, compared to November's 109 mm (4.3 in) over 16 days. Despite the rainfall, humidity levels remain fairly consistent, with September at 73% and November slightly lower at 72%. For more detailed information, you can visit Jarabacoa weather in November.

In September, the weather is typically warmer with temperatures ranging from a minimum of 15°C (59°F) to a maximum of 27°C (80°F) and an average temperature of 20°C (69°F). This month also sees significant precipitation, with 224 mm (8.8 in) falling over 24 days, resulting in a humidity level of 73%. In contrast, December experiences cooler temperatures, with a minimum of 11°C (52°F), an average of 18°C (64°F), and a maximum of 24°C (76°F). Notably, December sees much less rainfall, with only 37 mm (1.5 in) over 11 days and a slightly lower humidity of 69%. For more detailed information, you can check Jarabacoa weather in December.

Compare Jarabacoa's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Jarabacoa

As September unfolds in Jarabacoa, the weather offers a unique blend of tropical warmth and significant rainfall. Unlike the drier months that precede it, this time of year sees a marked increase in precipitation, with nearly every day contributing to a total that can reach up to 224 mm. The temperatures remain comfortably mild, averaging around 20°C, providing a refreshing escape from the heat. However, the high humidity of 73% can create a humid atmosphere that contrasts with the clearer skies of the preceding summer months. For those curious about the broader climatic patterns and seasonal transitions in this stunning region, you can explore more at Jarabacoa Climate.