September Weather in Samana, Dominican Republic

Last updated: August 21, 2025

September in Samana, Dominican Republic showcases a tropical climate characterized by warm temperatures and notable humidity. The maximum temperature reaches a toasty 32°C (90°F), while the average sits comfortably at 27°C (82°F), and nightly lows hover around 24°C (76°F). Travelers can expect an average rainfall of 170 mm (6.7 inches) spread over about 24 days, emphasizing the region's lush, verdant landscapes. With humidity levels around 80%, the air feels quite sultry, making it essential for visitors to stay hydrated and seek shade during the hotter parts of the day. This month is ideal for those who enjoy vibrant greenery, as the regular rainfall enhances the natural beauty of this breathtaking coastal destination.

September Temperature in Samana

September in Samana, Dominican Republic showcases a beautiful transition into late summer, with temperatures reaching their peak. The month typically experiences minimums around 24°C (76°F) and averages a comfortable 27°C (82°F), while the daily highs are often a sizzling 32°C (90°F). This warmth marks September as one of the hottest months of the year, fitting perfectly into the tropical climate the region is known for. As the summer heat lingers, travelers can expect sunny skies, making it a great time for beach outings and outdoor adventures, but it's wise to stay hydrated and seek shade during the hottest parts of the day.

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

The chart illustrates September temperature patterns in Samana, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Samana, 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).
JanFebMarAprMayJunJulAugSepOctNovDec767676777980818181807978
Data source: Temperature data for Samana 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 Samana

In September, Samana, Dominican Republic experiences significant rainfall, with a precipitation total of 170 mm (6.7 inches) across 24 rainy days. This makes September one of the wettest months of the year, following closely behind the peak wet months of July and August. The increased precipitation indicates a transition into the more tumultuous part of the rainy season, where frequent showers tend to occur. Despite the high volume of rain, these downpours often bring relief from the heat, replenishing the lush landscape that characterizes this tropical paradise. As the month progresses, locals and visitors alike can expect vibrant greenery, a testament to nature's resilience amidst the moist climate.

September Precipitation Trends in Samana

The chart displays monthly precipitation patterns in Samana, 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 Samana, September typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec6672111691057812212817012313490
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

September Humidity in Samana

In September, the humidity in Samana, Dominican Republic remains notably high at 80%, mirroring the peak levels typically recorded in August. This marks a continuation of the summer wet season, where humidity levels gradually rise from a respectable 71% in March, reaching a pinnacle as the region transitions into autumn. Throughout the year, humidity hovers between 71% and 80%, with the most humid months occurring from July to September. Post-September, a slight decrease is observed, with October and November maintaining a humidity of 79%, suggesting a gradual shift towards drier conditions as the year progresses. Overall, the trend showcases a consistent cycle of high humidity, reflecting Samana's tropical climate and lush, vibrant environment.

September Average Humidity in Samana

This chart illustrates the average monthly humidity levels in Samana, 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 Samana is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec74%73%71%72%72%73%78%80%80%79%79%77%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Samana

In September, Samana, Dominican Republic, experiences an extreme UV Index of 13, requiring just 10 minutes of exposure before sunburn can occur. This aligns with the trend seen during the peak summer months of July and August, where similar extreme levels persisted. As the year progresses, October shows a slight dip to an UV Index of 11, yet still falls within the extreme category. It's clear that from March through November, Samana's sun remains potent, making sunscreen and protective clothing vital for outdoor activities. For more detailed information on the UV Index, check out Samana UV Index.

Maximum UV Index Levels in Samana for September

The chart shows the monthly maximum UV Index (UVI) for Samana 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 Samana typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec911131313121313131198
Data source: Samana 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 Samana

As September unfolds in Samana, Dominican Republic, visitors can bask in the warm glow of 318 hours of sunshine, reminiscent of the summer's long, bright days. This month marks a gentle transition from the peak sunlight of July, which boasts an impressive 359 hours, into a slightly quieter October, also at 318 hours. The trend showcases a gradual decrease in daylight as the year progresses, yet September still retains a generous amount of sunshine, making it an ideal time for travelers seeking pleasant weather and stunning coastal views. With the lingering warmth of summer, September offers a perfect blend of sunshine and a refreshing escape before the cooler months set in, ensuring that your experience is as vibrant as the stunning landscapes that surround you.

Monthly Sunshine Duration in Samana: September Highlighted

The September sunshine duration represents the total number of hours Samana 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.
JanFebMarAprMayJunJulAugSepOctNovDec255h302h345h347h349h353h359h346h318h318h291h316h
Data source: Samana September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Samana During September

September in Samana, Dominican Republic, offers a 50% chance of sunny weather, striking a nice balance between the summer months and the approaching autumn. Following the high sun probabilities of January through April, which often exceed 50%, September marks a subtle dip as summer wanes, yet still maintains a reasonable opportunity for sunshine. The likelihood of clear skies decreases further in the humid months of June and July, showcasing nature's unpredictable rhythm, but it rebounds slightly in September. As the year progresses, it becomes evident that while September may not boast the best odds for sun, it certainly holds promise amidst fluctuating weather patterns, making it an appealing option for travelers seeking a blend of warmth and occasional rainfall.

Percentage of Sunny Days in September in Samana

The chart illustrates the percentage of sunny days in Samana 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 Samana experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec48%71%64%54%57%33%47%39%50%44%64%62%
Data source: Samana September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Samana in September

As summer transitions to autumn, September in Samana, Dominican Republic enjoys a delightful balance of 12 hours of daylight. This month marks a gradual shift away from the long, sun-soaked days of June to August, which basked in 13 hours of daylight. Following the vibrant spring months of March and April, where daylight increased to a peak of 12 hours, September settles comfortably into a rhythm that prepares the region for the upcoming shorter days of fall. The consistent daylight hours during this time create a perfect backdrop for outdoor adventures, urging both residents and visitors to savor the golden sunlight before it subtly dims in the coming months.

Average Daylight Hours in Samana for September

The chart illustrates the variation in daylight duration in Samana throughout the year, with September highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec11h 6m11h 30m12h 2m12h 35m13h 2m13h 15m13h 8m12h 44m12h 12m11h 40m11h 12m10h 58m
Data source: Samana daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Samana

As summer fades and September arrives in Samana, Dominican Republic, the winds begin to take a gentle turn. Average wind speeds, which have been steadily weaving between 4.7 m/s (10 mph) in April and peaking at 5.5 m/s (12 mph) in July, dip to a mellow 3.6 m/s (8 mph) this month. This notable reduction signals a transition into a calmer period, offering a serene atmosphere ideal for those seeking relaxation and tranquility by the pristine shores. Following September, the winds maintain this soft pace into October, suggesting that the region embraces a more laid-back vibe as autumn approaches. Such gently breezy conditions harmonize beautifully with the breathtaking landscapes, making September a charming time to experience the essence of Samana.

Average September Wind Speed in Samana

The chart displays monthly wind speed patterns in Samana, 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.
JanFebMarAprMayJunJulAugSepOctNovDec4.86.05.24.74.85.25.55.03.6 m/s3.64.24.9
Data source: Samana September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Samana Compares to Other Months

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

September tends to be warmer and wetter than January, with average temperatures reaching 27°C (82°F) and maximums soaring to 32°C (90°F). This month also sees significant rainfall, with 170 mm (6.7 in) spread over 24 days, coupled with high humidity levels of around 80%. In contrast, January's climate is slightly cooler and drier, featuring average temperatures of 25°C (77°F) and maximums of 29°C (84°F). This month experiences only 66 mm (2.6 in) of precipitation over 16 days and lower humidity at 74%. For more detailed information, you can check Samana weather in January.

September and February offer contrasting weather experiences. 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 (82°F). This month is characterized by higher humidity at 80% and significant rainfall, totaling 170 mm (6.7 in) over 24 days. In contrast, February presents milder conditions, with temperatures ranging from a low of 20°C (69°F) to a high of 29°C (85°F), and an average of 24°C (76°F). The precipitation in February is notably lower at 72 mm (2.8 in) over 21 days, and humidity dips to 73%. For more detailed information, you can visit Samana weather in February.

September and March weather present notable differences in temperature and precipitation. September tends to be warmer, with average temperatures ranging from 24°C (76°F) to a maximum of 32°C (90°F), while March is a bit cooler, with temperatures peaking at 29°C (84°F). Additionally, September experiences significantly higher precipitation, totaling 170 mm (6.7 in) over 24 days, compared to March's 111 mm (4.4 in) over 19 days. The humidity is also higher in September at 80%, compared to 71% in March. For a closer look at the weather conditions in March, you can visit Samana weather in March.

When comparing the weather in September and April, September tends to be warmer and significantly wetter. In September, temperatures range from a minimum of 24°C (76°F) to a maximum of 32°C (90°F) with an average of 27°C (82°F). In contrast, April is slightly cooler, with temperatures ranging from 22°C (73°F) to 30°C (86°F) and an average of 25°C (78°F). Precipitation also differs greatly, with September receiving an average of 170 mm (6.7 in) over 24 days, while April experiences only 69 mm (2.7 in) over 17 days. Additionally, humidity levels are higher in September at 80%, compared to 72% in April. For more details on April weather, you can visit Samana weather in April.

When comparing the weather in September and May, September tends to be slightly warmer with an average temperature of 27°C (82°F), compared to May's 26°C (79°F). September also experiences higher maximum temperatures, reaching up to 32°C (90°F), while May's peak is 31°C (87°F). Precipitation is significantly greater in September, with 170 mm (6.7 in) over 24 days, compared to May's 104 mm (4.1 in) over 21 days. Additionally, humidity levels are higher in September at 80%, while May's humidity is more moderate at 72%. For more details on May conditions, check Samana weather in May.

September and June exhibit similar temperature ranges, with both months experiencing a minimum temperature of around 24°C (75-76°F) and an average of 27°C (81-82°F). However, September tends to be warmer overall, reaching a maximum of 32°C (90°F) compared to June's maximum of 30°C (86°F). Additionally, September is considerably wetter, with 170 mm (6.7 in) of precipitation over 24 days, while June receives only 78 mm (3.1 in) over 20 days. Humidity levels are also higher in September at 80%, compared to June's 73%. For more details about June weather, you can check Samana weather in June.

When comparing the weather in September and July, we see some notable differences. Both months experience similar minimum and average temperatures, with September featuring a slightly higher maximum temperature of 32°C (90°F) compared to July's 30°C (87°F). However, September is notably wetter, with 170 mm (6.7 in) of precipitation over 24 days, while July sees less rain at 122 mm (4.8 in) across 26 days. Humidity levels are also slightly higher in September at 80%, compared to July's 78%. For more detailed information, you can check Samana weather in July.

In September, the weather remains quite similar to August, with minimal differences in temperature. Both months have a minimum temperature of 24°C (76°F) and an average of around 27°C (82°F). However, September sees a slightly warmer maximum temperature of 32°C (90°F), compared to 31°C (88°F) in August. Notably, September experiences more precipitation, with 170 mm (6.7 in) over 24 days, compared to 128 mm (5.0 in) across 26 days in August. Despite these changes, humidity remains consistent at 80% for both months. For more detailed information about August weather, you can visit Samana weather in August.

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) and an average of 27°C (82°F). However, it also experiences higher precipitation at 170 mm (6.7 in) spread over 24 days, accompanied by humidity levels around 80%. In contrast, October sees a slight dip in maximum temperatures, peaking at 31°C (87°F), while maintaining similar minimum and average temperatures. Precipitation decreases to 123 mm (4.8 in) over 23 days, and humidity levels are marginally lower at 79%. For more detailed information on October weather, you can visit Samana weather in October.

September and November exhibit some notable differences in weather patterns. In September, temperatures range from a minimum of 24°C (76°F) to a maximum of 32°C (90°F), with an average of 27°C (82°F). The month sees significant precipitation, totaling 170 mm (6.7 in), over 24 days, accompanied by high humidity at 80%. In contrast, November features slightly cooler temperatures, with a minimum of 23°C (74°F) and a maximum of 30°C (86°F), averaging 26°C (79°F). Precipitation decreases to 134 mm (5.3 in) over 20 days, while humidity drops slightly to 79%. For more detailed information, check out Samana weather in November.

In comparing the weather between September and December, we find that September is notably warmer, with an average temperature of 27°C (82°F) and maximum highs reaching up to 32°C (90°F). In contrast, December sees a slight dip in temperatures, averaging 25°C (78°F), and maxing out at 29°C (85°F). September is also characterized by heavier rainfall, with 170 mm (6.7 in) of precipitation over 24 days, compared to December's 90 mm (3.6 in) over 23 days. Humidity levels are slightly higher in September at 80%, while December maintains a comfortable 77%. For more detailed insights, you can visit Samana weather in December.

Compare Samana's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Samana

September in Samana presents a unique climate experience, characterized by warm temperatures that typically hover around an average of 27°C (82°F), significantly influenced by the high humidity at around 80%. This combination creates a distinct tropical atmosphere that, while pleasant, comes with the challenges of increased precipitation, averaging 170 mm over approximately 24 days. Compared to other months, September is notably wetter, adding a lushness to the landscape but also suggesting a higher chance of rain during your stay. For more detailed insights into how September fits into the broader climate trends, visit Samana Climate.