Last updated: August 27, 2025
September in Bastimentos, Panama, boasts a warm tropical climate with maximum temperatures reaching 31°C (88°F) and an average of 27°C (81°F), providing the perfect backdrop for your adventures. However, locals and travelers alike should be prepared for the frequent rain, with precipitation totaling 164 mm (6.5 in) over 26 days—a testament to this region's lush vegetation. The consistently high humidity levels at 87% add to the tropical atmosphere, making it a month where light, breathable clothing is essential. Whether you're exploring the vibrant marine life or relaxing in a hammock, September's weather offers a truly immersive experience in this beautiful paradise.
In September, Bastimentos, Panama, continues to embrace its tropical allure with temperatures that remain warm and inviting. The month opens with minimums hovering around 24°C (76°F) and averages settling comfortably at 27°C (81°F), while maximum temperatures can reach up to 31°C (88°F). This consistency hints at a gradual transition from the heart of the wet season towards slightly drier conditions, creating an ideal setting for exploration. The slight uptick in warmth from previous months signifies the region's resilience, maintaining its lush vibrancy and warm breezes, inviting visitors to indulge in its natural beauty. As summer wanes, September stands out as a month where one can truly savor the quintessential tropical experience in Bastimentos.
In September, Bastimentos, Panama, experiences an average precipitation of 164 mm (6.5 in), marking a slight dip compared to the previous months but still showcasing the region's characteristic tropical climate. Rainfall occurs on approximately 26 days, providing a persistent backdrop of lush greenery. This month falls between the peak wet months of July and October, where precipitation reaches its zenith, with October averaging 316 mm (12.4 in). While September reflects a moderate wetness, it remains part of the broader rainy season, keeping the island vibrant and alive with tropical flora, making it a unique yet wet marvel for visitors and locals alike.
September in Bastimentos, Panama, maintains a distinctly humid atmosphere, with levels reaching 87%. This marks a stable trend following the peak humidity of 90% in June and high levels in July and August. Overall, September's conditions reflect a slight decrease from the summer months while remaining comparatively high. The humidity throughout the year tends to fluctuate, peaking in the mid-year months and gradually falling towards October. As tropical weather prevails, September's humidity is emblematic of the region's lush, vibrant environment, setting the stage for rich rainforest experiences.
In September, the UV Index in Bastimentos, Panama, stands at a striking 14, indicating an extreme level of sun exposure with a burn time of just 10 minutes. This month continues the trend of elevated UV Index readings that began at the start of the year, where values ranged from 12 to a peak of 15 in March and April. Interestingly, while the UV Index remains consistently high throughout the summer, September's value mirrors those of June and July, suggesting that sun protection remains crucial for outdoor activities. As you soak in the beauty of Bastimentos, don't forget to check out the comprehensive details on the UV Index here to ensure safe sun exposure.
UV Risk Categories
September in Bastimentos, Panama, offers a delightful continuation of the sunny season, boasting 277 hours of sunshine. As the rainy season approaches, this month sits just a touch below the summer peak, where March leads with a remarkable 336 hours. Throughout the year, sunshine steadily fluctuates, peaking in the early months; from 246 hours in January, it climbs swiftly to the springtime zenith. While the hours begin to dip slightly from August onwards, September still maintains a vibrant, sun-kissed atmosphere, ensuring plenty of opportunities for outdoor adventures before the clouds roll in. As we transition into October with its 267 hours, September remains a cherished time for basking in the bright warmth of Bastimentos.
When considering the likelihood of sunny weather in September in Bastimentos, Panama, it’s clear that this month sees a modest 13% chance of sunshine. This low probability reflects a notable trend of decreasing sunny days during the wet season, which typically peaks from April through August when sunlight is scarce. Interestingly, sunshine begins to make a comeback in October and November, with chances rising to 19% and 25% respectively, suggesting that while September may not offer much sun, conditions are on the verge of improvement as the region transitions into the later months of the year. For those planning a visit, it's wise to prepare for the possibility of rain, while also holding onto hope for those elusive sunny moments!
In Bastimentos, Panama, the September daylight duration holds steady at 12 hours, reflecting a pronounced trend of consistent brightness throughout the year. From March through September, daylight remains uniform at this optimal length, offering ample time for exploration and outdoor activities. The transition into autumn brings a slight dip, with daylight gradually reducing to 11 hours in October, signaling the onset of shorter days. This rhythmic pattern of consistent daylight not only enhances the island's charm but also creates a perfect backdrop for enjoying its vibrant natural beauty year-round.
As September arrives in Bastimentos, Panama, the winds whisper a gentle lull, with average speeds dropping to a modest 1.5 m/s (3 mph). This decline marks the continuation of a trend observed over the summer months, where winds have gradually slowed from 2.1 m/s (5 mph) in July and August, down to the calm of September. It's a time when the breezy energy of earlier months fades, inviting a more relaxed atmosphere ideal for soaking in the serene beauty of the region. The transition into autumn reveals a dynamic yet tranquil environment, with wind speeds expected to remain consistent through October before picking up again in November, when they rise to 2.3 m/s (5 mph). Overall, September's gentle winds provide a peaceful backdrop, perfectly suited for those looking to unwind and embrace the slower pace of island life.
Weather in Bastimentos varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Bastimentos, focusing on differences in temperature, rainfall, humidity, and UV levels.
In September, the weather is noticeably warmer and more humid, with average temperatures ranging from 24°C (76°F) at night to a peak of 31°C (88°F) during the day. The month is characterized by significant rainfall, totaling 164 mm (6.5 in) spread across 26 days, contributing to a high humidity level of 87%. In contrast, January offers a slightly cooler experience, with average temperatures from 22°C (73°F) to a maximum of 29°C (85°F). Although it remains fairly wet, January sees a modest increase in total precipitation to 172 mm (6.8 in) over 18 days, and the humidity drops to a more comfortable 72%. For more detailed insights, check out Bastimentos weather in January.
In comparing the weather between September and February, September tends to be warmer and more humid. The average temperature in September reaches around 27°C (81°F), with highs of 31°C (88°F) and relatively high humidity at 87%. Additionally, this month experiences higher precipitation, averaging 164 mm (6.5 inches) over 26 days. In contrast, February has slightly cooler temperatures, with an average of 26°C (78°F) and maximum highs of 30°C (85°F). The month sees less rainfall, with about 122 mm (4.8 inches) over 20 days, along with lower humidity at 71%. For more specific insights, you can check out the detailed weather information in Bastimentos weather in February.
In September, the weather is warmer with average temperatures ranging from a minimum of 24°C (76°F) to a maximum of 31°C (88°F), accompanied by high humidity levels of 87%. This month also experiences considerable precipitation, totaling 164 mm (6.5 in) over 26 days. In contrast, March features slightly cooler temperatures, with a minimum of 22°C (73°F) and a maximum of 30°C (86°F), while also enjoying lower humidity at 69%. Precipitation in March is less frequent, amounting to 113 mm (4.5 in) over 25 days. For a more detailed look at the weather in March, you can visit Bastimentos weather in March.
In comparing the weather of September and April, we see that both months feature warm temperatures, but September tends to be slightly hotter overall, with average temperatures reaching 27°C (81°F) compared to April's 26°C (80°F). The maximum temperatures are similar, peaking at 31°C (88°F) in September and 30°C (87°F) in April. However, September is marked by higher humidity at 87%, while April offers a more comfortable atmosphere with humidity around 70%. Both months experience comparable levels of precipitation, with September receiving 164 mm (6.5 in) over 26 days and April slightly less at 162 mm (6.4 in) across 24 days. For more details, you can check out Bastimentos weather in April.
When comparing the weather in September and May, both months exhibit similar temperature ranges, with minimums at 24°C (76°F), averages around 27°C (81°F), and maximums peaking at 31°C (88°F). However, September is characterized by a higher humidity level of 87% compared to May’s more comfortable 73%. Additionally, May experiences significantly more rainfall, with total precipitation reaching 243 mm (9.5 in) over 28 days, while September has 164 mm (6.5 in) spread across 26 days. For more details on the weather conditions, you can check Bastimentos weather in May.
When comparing the weather in September and June, both months exhibit similar average temperatures, typically ranging from a minimum of 24°C (76°F) to a maximum of 31°C (88°F). However, June tends to be slightly wetter, recording 217 mm (8.5 in) of precipitation over 28 days, compared to September's 164 mm (6.5 in) over 26 days. Additionally, humidity levels are marginally higher in June at 90%, compared to 87% in September. For those looking to explore the weather in more detail, you can find specific insights for June at this link: Bastimentos weather in June.
When comparing the weather in September and July, we see some interesting similarities and differences. Both months feature similar temperature ranges, with minimum temperatures around 24°C (76°F) and average temperatures hovering between 27°C (80°F to 81°F). However, July tends to be slightly cooler on average, with a maximum of 30°C (87°F) compared to September's maximum of 31°C (88°F).
Precipitation levels reveal a marked contrast; July experiences significantly more rainfall, with 298 mm (11.7 in) over 29 days, while September sees 164 mm (6.5 in) spread across 26 days. Humidity remains high in both months, averaging 87% in September and 88% in July. For a more detailed look at July weather in this region, visit Bastimentos weather in July.
In comparing the weather of September and August, both months exhibit similar temperature patterns, with minimums around 24°C (76°F), averages of 27°C (81°F), and maximums reaching 31°C (88°F). However, September sees a decrease in precipitation, totaling 164 mm (6.5 in) over 26 days, compared to August's higher rainfall of 212 mm (8.4 in) over 28 days. Notably, humidity remains constant at 87% for both months, creating a consistently humid environment. For more details on August weather, visit Bastimentos weather in August.
In comparing the weather between September and October, we see that both months exhibit similar temperature ranges, with minimum temperatures at 24°C (76°F), average temperatures at 27°C (81°F), and maximum temperatures reaching 31°C (88°F). However, October experiences significantly higher precipitation, totaling 316 mm (12.4 in) over 27 days, compared to September's 164 mm (6.5 in) over 26 days. The humidity remains fairly consistent between the two months, with September at 87% and October slightly lower at 86%. For more detailed insights, you can check out Bastimentos weather in October.
In September, the weather tends to be warm and humid, 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). This month also experiences considerable precipitation, totaling 164 mm (6.5 in) over 26 days, resulting in a humidity level of 87%.
In contrast, November brings slightly cooler temperatures with a minimum of 24°C (76°F), an average of 26°C (80°F), and a maximum of 30°C (87°F). However, it sees a significant increase in precipitation, reaching 294 mm (11.6 in) over 24 days, while humidity remains quite similar at 86%. For more detailed information on the November weather, you can refer to Bastimentos weather in November.
In comparing the weather of September and December, we can see some notable differences. September tends to be warmer, with average temperatures hovering around 27°C (81°F) and maximum temperatures reaching up to 31°C (88°F). However, it is also quite wet, with precipitation totaling 164 mm (6.5 in) over 26 days, contributing to a high humidity level of 87%. In contrast, December experiences slightly cooler temperatures, averaging 26°C (79°F) and peaking at 29°C (85°F), but it is also wetter, with 220 mm (8.7 in) of rain spread across 23 days. The humidity drops to a more comfortable 79% during this month. For further details, you can check Bastimentos weather in December.
As September rolls into Bastimentos, visitors can expect a significant shift in the weather pattern compared to other months. The average temperature remains relatively warm, creating a tropical ambiance ideal for relaxation. However, this month is marked by increased humidity and frequent precipitation, with rain on nearly every day, contributing to the lush, vibrant scenery the island is known for. While the warmth continues, the abundant rainfall adds a refreshing twist, making September an excellent time for nature enthusiasts to experience the heightened greenery and unique wildlife. For a detailed analysis of the island's climate, check out Bastimentos Climate.