September Weather in Isla Bastimentos, Panama

Last updated: August 27, 2025

In September, Isla Bastimentos, Panama, experiences a tropical climate characterized by warm temperatures and high humidity. The maximum temperature reaches around 31°C (88°F), while the average hovers at 27°C (81°F), providing a warm atmosphere for visitors. Nights can be pleasantly cool, with a minimum temperature of 24°C (76°F). However, the weather is significantly marked by precipitation, accumulating to about 164 mm (6.5 in) over the month, with rain falling on approximately 26 days. Humidity levels soar to a remarkable 87%, creating a lush, vibrant environment, but travelers should prepare for frequent showers amidst the warmth.

September Temperature in Isla Bastimentos

In September, Isla Bastimentos, Panama, enjoys a warm tropical climate. With minimum temperatures around 24°C (76°F), the weather remains comfortably mild, while averaging 27°C (81°F) ensures a pleasant experience for visitors. This month, daytime highs reach up to 31°C (88°F), reflecting the peak of warmth typical for the region as it transitions into the rainy season. It's noteworthy that September's temperatures continue the trend seen in August and earlier summer months, promising consistent warmth with a touch of humidity, making it an ideal time for beach lovers and nature enthusiasts alike. As the month progresses, the combination of warm weather and lush landscapes invites travelers to explore the vibrant ecosystems of this enchanting destination.

September Weather in Isla Bastimentos: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Isla Bastimentos, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Isla Bastimentos, 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).
JanFebMarAprMayJunJulAugSepOctNovDec787878808181808081818079
Data source: Temperature data for Isla Bastimentos 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 Isla Bastimentos

In September, Isla Bastimentos experiences a noteworthy blend of rainfall and vibrant weather patterns. With 164 mm (6.5 inches) of precipitation spread over 26 days, September marks a slight dip in rainfall compared to the preceding months, but still retains that tropical charm. This transitional period signals the tail end of the wet season, yet it remains moistened by frequent showers, as evidenced by the high number of rainy days. Interestingly, the rain figures reveal a consistent trend in the region, with September's totals fitting comfortably within the broader context of the rainforest climate, where the previous months of July and August boasted heavier rainfall. As the island shifts into October, residents and visitors alike can expect an uptick in precipitation, ensuring that the lush landscapes of this paradise remain vibrant and alive.

September Precipitation Trends in Isla Bastimentos

The chart displays monthly precipitation patterns in Isla Bastimentos, 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 Isla Bastimentos, September typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec172122113162243217298212164316294220
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

September Humidity in Isla Bastimentos

As September rolls into Isla Bastimentos, the humidity remains elevated at 87%, reflective of the region's tropical climate. This follows a pattern established during the summer months, where humidity levels peaked in June and July at 90% and 88%, respectively. Interestingly, September's figures hold steady alongside August's high levels, suggesting a lingering warmth and moisture in the air. While the humidity dipped slightly from the highs of mid-summer, it still represents a notable increase when compared to the drier months of early spring, where levels hovered around 69% to 71%. As the year progresses toward October, humidity is expected to gently decline, but September serves as a reminder of the lush, vibrant atmosphere characteristic of the Panama archipelago.

September Average Humidity in Isla Bastimentos

This chart illustrates the average monthly humidity levels in Isla Bastimentos, 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 Isla Bastimentos is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec72%71%69%70%73%90%89%87%87%86%86%79%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Isla Bastimentos

September in Isla Bastimentos, Panama continues the trend of extreme UV exposure, with a UV Index of 14, indicating a burn time of just 10 minutes. This high level of UV radiation is consistent with the preceding months, where the Index fluctuates slightly but remains in the extreme category throughout the year. As the summer fades, the UV Index only dips marginally, suggesting that careful sun protection is essential for visitors and locals alike. So, be sure to take precautions while enjoying the stunning surroundings, as the intensity of the sun remains potent. For more detailed insights, check out the full Isla Bastimentos UV Index.

Maximum UV Index Levels in Isla Bastimentos for September

The chart shows the monthly maximum UV Index (UVI) for Isla Bastimentos 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 Isla Bastimentos typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec121315151414141314141210
Data source: Isla Bastimentos 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 Isla Bastimentos

As September arrives in Isla Bastimentos, Panama, the island enjoys an average of 277 hours of glorious sunshine, continuing a trend of fairly consistent daylight throughout the year. Following the peak of 336 hours in March and a slight decline over the summer months, September's sunny disposition mirrors that of the preceding months, providing ample opportunity for exploration and relaxation under the sun's warm embrace. The gentle decrease in sunshine hours from the earlier months hints at the onset of the rainy season, yet the weather remains inviting and pleasantly warm, making it an ideal time to experience the vibrant natural beauty and diverse wildlife of this tropical paradise. Whether it's lounging on the beach or hiking through lush rainforests, September offers a perfect balance of sun and adventure in Isla Bastimentos.

Monthly Sunshine Duration in Isla Bastimentos: September Highlighted

The September sunshine duration represents the total number of hours Isla Bastimentos 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.
JanFebMarAprMayJunJulAugSepOctNovDec246h298h336h314h283h277h270h274h277h267h273h300h
Data source: Isla Bastimentos September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Isla Bastimentos During September

As September rolls in on Isla Bastimentos, Panama, the chance of sunny weather dwindles to a modest 13%, reflecting a noticeable dip from the sun-drenched months earlier in the year. This trend aligns with the island's rainy season, where the cloud cover and rainfall take precedence, particularly following the peak summer months of July and August, which see even lower probabilities of sunshine at just 15% and 7% respectively. As fall approaches in October, there is a slight rebound in sunshine likelihood, reaching 19%. Overall, September tends to be a transition month, where potential visitors might want to brace for a more soggy and overcast experience, contrasting sharply with the more radiant earlier months of the year.

Percentage of Sunny Days in September in Isla Bastimentos

The chart illustrates the percentage of sunny days in Isla Bastimentos 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 Isla Bastimentos experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec37%36%38%18%13%15%16%7%13%19%25%37%
Data source: Isla Bastimentos September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Isla Bastimentos in September

In Isla Bastimentos, Panama, the rhythm of daylight is remarkably steady throughout the year. January and February welcome visitors with 11 hours of sunshine, setting a consistent tone for the early months. As March arrives, daylight expands to 12 hours, a trend that comfortably persists from April through August. This generous daylight duration provides ample time for exploration and relaxation under the sun. Interestingly, September maintains this delightful 12-hour balance, ensuring that basking in nature is still a viable option before the daylight gradually diminishes in October. Overall, Isla Bastimentos offers a captivating experience with a stable and vibrant light palette, perfect for adventurers year-round.

Average Daylight Hours in Isla Bastimentos for September

The chart illustrates the variation in daylight duration in Isla Bastimentos throughout the year, with September highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec11h 38m11h 49m12h 4m12h 19m12h 31m12h 38m12h 34m12h 23m12h 9m11h 53m11h 41m11h 35m
Data source: Isla Bastimentos daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Isla Bastimentos

As September unfolds in Isla Bastimentos, Panama, the wind whispers a gentle lullaby, with average speeds dipping to 1.5 m/s (about 3 mph). This tranquil breeze sets the stage for a serene ambiance, contrasting sharply with the livelier gusts of earlier months. From the brisk beginnings of the year, where winds reached approximately 2.8 m/s (6 mph) in January, the trend notices a soft decline through the summer, reaching its lowest in September. This calm prelude heralds the approach of the revitalizing winds of November, which will again blow with more vigor. As the seasons shift, the September air offers a moment of reflection, inviting visitors and locals alike to savor the stillness before the winds pick up once more.

Average September Wind Speed in Isla Bastimentos

The chart displays monthly wind speed patterns in Isla Bastimentos, 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.
JanFebMarAprMayJunJulAugSepOctNovDec2.82.62.72.12.11.72.11.71.5 m/s1.52.32.7
Data source: Isla Bastimentos September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Isla Bastimentos Compares to Other Months

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

September and January both offer warm temperatures, but September is slightly warmer and more humid. In September, the minimum temperature averages 24°C (76°F), with a maximum of 31°C (88°F) and high humidity at 87%. This month also experiences considerable rainfall, totaling 164 mm (6.5 in) across 26 days. In contrast, January sees a slight drop in temperature, with an average minimum of 22°C (73°F) and a maximum of 29°C (85°F). Although January has more total precipitation at 172 mm (6.8 in), it falls over fewer days, just 18 in total, and the humidity is noticeably lower at 72%. For more details, check out Isla Bastimentos weather in January.

In comparing the weather between September and February, we observe that September tends to be warmer and more humid. With average temperatures ranging from a minimum of 24°C (76°F) to a maximum of 31°C (88°F), September experiences a higher average temperature of 27°C (81°F). In contrast, February's temperature profile is slightly cooler, with a minimum of 22°C (73°F) and a maximum of 30°C (85°F), resulting in an average of 26°C (78°F).

Precipitation levels also vary significantly; September sees 164 mm (6.5 in) of rainfall over 26 days, while February has a lower total of 122 mm (4.8 in) across 20 days. This leads to a noticeably more humid September at 87% compared to February's 71%. These differences highlight a transition toward drier and cooler conditions as the year progresses. For more detailed insights on February weather, you can check Isla Bastimentos weather in February.

In comparing the weather of September and March, we see that September tends to be warmer with average temperatures around 27°C (81°F) and maximums reaching 31°C (88°F), while March is slightly cooler, with an average of 26°C (78°F) and maximums of 30°C (86°F). September also experiences significantly more precipitation, with 164 mm (6.5 in) over 26 days, compared to March's 113 mm (4.5 in) over 25 days. Moreover, humidity levels are notably higher in September at 87%, in contrast to March's more comfortable 69%. For more detailed information, check out Isla Bastimentos weather in March.

In comparing the weather between September and April, both months exhibit warm temperatures, with September having slightly higher averages. September sees minimum temperatures around 24°C (76°F) and maximums reaching 31°C (88°F), while April features similar lows of 23°C (74°F) and highs of 30°C (87°F). Precipitation levels are comparable, with September experiencing 164 mm (6.5 in) over 26 days and April registering 162 mm (6.4 in) across 24 days. However, September is marked by significantly higher humidity at 87%, compared to April’s more comfortable 70%. For more information on April's weather specifics, you can check Isla Bastimentos weather in April.

When comparing the weather in September and May, we find that both months share similar temperature ranges, with a minimum of 24°C (76°F), an average of 27°C (81°F), and a maximum of 31°C (88°F). However, September is characterized by higher humidity at 87%, while May has a more comfortable humidity level of 73%. Precipitation also varies significantly; September receives 164 mm (6.5 in) over 26 days, whereas May experiences a heftier 243 mm (9.5 in) across 28 days. For a detailed breakdown of May's weather, you can refer to Isla Bastimentos weather in May.

In comparing the weather between September and June, we find that both months boast similar average temperatures, with lows at 24°C (76°F) in September and 25°C (77°F) in June, and highs reaching 31°C (88°F) in both months. However, June experiences more precipitation, totaling 217 mm (8.5 in) over 28 days, compared to September's 164 mm (6.5 in) over 26 days. Additionally, humidity levels are slightly higher in June at 90% versus September's 87%. This makes June often feel a bit more humid and wet compared to September's conditions. For a detailed look at June weather, you can visit Isla Bastimentos weather in June.

When comparing the weather in September and July, both months exhibit similar temperature ranges, with minimums around 24°C (76°F) and average temperatures hovering around 27°C (81°F), though July's maximum temperature is slightly lower at 30°C (87°F) compared to September's 31°C (88°F). However, July experiences significantly higher precipitation, with 298 mm (11.7 in) across 29 days, compared to September's 164 mm (6.5 in) over 26 days. Humidity levels remain quite similar, with September at 87% and July slightly higher at 88%. For more detailed insights, you can check Isla Bastimentos weather in July.

In comparing the weather of September and August, we notice that both months share similar temperature ranges, with minimums at 24°C (76°F), averages of 27°C (81°F), and maximums reaching 31°C (88°F). However, September experiences slightly less rainfall, accumulating 164 mm (6.5 in) over 26 days compared to August, which sees 212 mm (8.4 in) across 28 days. Despite these differences in precipitation, humidity levels remain consistent at 87% for both months. For more detailed information, you can check Isla Bastimentos weather in August.

In September, the weather remains consistently warm 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 (81°F). However, it experiences considerable rainfall, totaling 164 mm (6.5 in) over 26 days, resulting in high humidity levels at 87%.

In contrast, October maintains similar temperature patterns, with the same range of 24°C to 31°C and an average of 27°C. Nonetheless, it sees a significant increase in precipitation, reaching 316 mm (12.4 in) over 27 days, while humidity slightly decreases to 86%. For more details on October weather, you can visit Isla Bastimentos weather in October.

Comparing the weather in September and November reveals some noteworthy similarities and differences. Both months experience warm temperatures, with September slightly warmer, averaging 27°C (81°F) compared to November's average of 26°C (80°F). The nighttime lows remain consistent at around 24°C (76°F) for both months. However, November sees a significant increase in precipitation, with 294 mm (11.6 in) over 24 days, compared to September's 164 mm (6.5 in) spread over 26 days. Humidity levels also remain high but are slightly lower in November at 86%, compared to September's 87%. For more detailed insights into conditions specific to November, visit Isla Bastimentos weather in November.

In September, the weather is characterized by warm temperatures with a minimum of 24°C (76°F), an average of 27°C (81°F), and a maximum of 31°C (88°F). This month sees significant precipitation, totaling 164 mm (6.5 in) over 26 days, coupled with high humidity levels at 87%. In contrast, December brings slightly cooler temperatures, with a minimum of 23°C (73°F), an average of 26°C (79°F), and a maximum of 29°C (85°F). Although December has more total precipitation at 220 mm (8.7 in) across 23 days, the humidity drops to 79%, making it feel more comfortable. For more detailed information about the weather during this month, you can visit Isla Bastimentos weather in December.

Compare Isla Bastimentos's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Isla Bastimentos

As September rolls into Isla Bastimentos, visitors can expect the warmth of tropical weather but with a notable twist. The temperatures are generally high and humid, creating a muggy atmosphere that sets this month apart from others. Rain increasingly becomes a staple, with frequent downpours contributing to the lush greenery that characterizes the island, particularly during this wet season. The humidity stays elevated, making it feel even warmer, but it also enhances the vibrant natural beauty of the surroundings. If you’re planning a trip, understanding September’s unique climate is crucial for a memorable experience. For a deeper dive into the island's weather patterns, check out Isla Bastimentos Climate.