Last updated: August 27, 2025
September in Portobelo, Panama showcases a tropical climate characterized by warm temperatures and significant rainfall. With maximum temperatures reaching 30°C (86°F) and an average of 26°C (79°F), the month provides a humid environment, with levels around 87%. Visitors can expect frequent downpours, accumulating to 281 mm (11.1 in) of precipitation over 30 days. This vibrant, lush atmosphere makes September an ideal time for experiencing the region's natural beauty, although the persistent rain may require mindful planning for outdoor activities.
In September, Portobelo, Panama, maintains its warm and inviting tropical ambiance, with daily temperatures ranging from a pleasant 24°C (75°F) at night to a comfortable peak of 30°C (86°F) during the day. The average temperature lingers around 26°C (79°F), echoing the consistent warmth found throughout the year. This month, like its predecessors from June to August, displays a stable climate, with minimal fluctuations in temperatures suggesting a predictable and alluring atmosphere for visitors. As the rainy season progresses, the lush surroundings come alive, making September a beautiful time to explore this coastal gem.
September in Portobelo, Panama, continues the trend of the rainy season, bringing a significant precipitation amount of 281 mm (11.1 in) over the course of the month. This places September among the wettest months, right behind the peak of July (348 mm) and August (337 mm). The rain falls consistently, with 30 days of rainfall recorded, illustrating the tropical climate's unyielding embrace. With such abundant precipitation, September contributes to the lush, vibrant environment of Portobelo, where nature thrives amid the steady rhythm of rainfall. As the season progresses, this consistent pattern of heavy rain reinforces the region's lush landscape, preparing it for the seasonal transition into October.
September in Portobelo, Panama, typically boasts a humidity level of 87%, contributing to the region's lush, tropical environment. This figure reflects a trend that begins to peak during the mid-year months, with June and July recording the highest humidity levels at 89% and 88%, respectively. As the region transitions from the dry season into the wet months, humidity remains high through September and into October. Notably, the months leading up to September—May through August—also display significant humidity, fluctuating between 76% and 86%. This gradual increase highlights Portobelo's characteristic tropical climate, making it a vibrant haven for those who embrace its sultry atmosphere.
In September, Portobelo, Panama maintains a notably high UV Index of 13, categorizing it as extreme exposure risk, similar to the preceding summer months. Throughout the year, Portobelo experiences consistently elevated UV levels, particularly from January to May, where the index peaks at 14. Even as the dry season transitions to the wet season, September's UV parameters remain unchanged, reflecting the region's persistent sun intensity. With a burn time of just 10 minutes, it's crucial for visitors and residents alike to take precautions against sun damage. For more detailed information, check out Portobelo UV Index.
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As summer transitions to autumn, September in Portobelo, Panama, welcomes an average of 270 hours of sunshine, marking a mild dip from the sun-drenched peak of 337 hours in March. This slight reduction captures the essence of the shoulder season, where warm, golden rays still grace the tropical landscape, albeit with a touch of gentler warmth. Following the high of 314 hours in April, the sunshine remains plentiful, suggesting an ideal blend of vibrant days for exploration and relaxing afternoons under the sun. The month stands as a delightful reminder that while summer may be waning, the allure of Portobelo’s sun-kissed shores continues to shine bright, setting a perfect backdrop for both adventurers and those seeking tranquility.
In September, visitors to Portobelo, Panama can expect a low likelihood of sunny weather, with only a 10% chance of sunshine. This marks a continuation of the declining trend seen from late spring into early fall, where months like April and May offer only 21% and 12% chances respectively. As the rainy season progresses, opportunities for clear skies diminish, making September one of the least favorable months for sun-seekers. Following September, there’s a slight uptick in the chance of sunshine in October and November, but it remains below the annual average, suggesting that those planning a visit should be prepared for overcast skies and potential rain.
In Portobelo, Panama, the daylight duration exhibits a gentle rhythm throughout the year. Starting off with 11 hours of daylight in January and February, the days gradually lengthen to a comfortable 12 hours from March through September, creating a perfect backdrop for exploration and relaxation. As autumn approaches, daylight begins to recede again, tapering back to 11 hours in October and continuing through December. This consistent pattern offers visitors and residents alike an abundance of bright, sunny days during the mid-year months, making it an ideal time to experience the region's vibrant culture and lush landscapes.
As September unfolds in Portobelo, Panama, the winds begin to gently settle, averaging a modest 2.1 m/s (5 mph). This marks a noticeable decline from the more blustery months earlier in the year, with January kicking off at a lively 5.3 m/s (12 mph). Following the vibrancy of March and April, where winds reach above 5 m/s, September's breeze mirrors the calm of summer, typically signaling a shift toward a more tranquil atmosphere. As the month progresses, one can expect the winds to remain soft, paving the way for those seeking a peaceful retreat amidst the enchanting coastal scenery. The calming decline in wind speed not only transforms the landscape but also lends a serene charm to Portobelo, inviting exploration and relaxation.
Weather in Portobelo varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Portobelo, focusing on differences in temperature, rainfall, humidity, and UV levels.
September and January exhibit distinct weather patterns. September tends to be warmer, with average temperatures around 26°C (79°F) and a maximum of 30°C (86°F). The month is quite rainy, experiencing 281 mm (11.1 in) of precipitation over 30 days, alongside high humidity levels at 87%. In contrast, January presents slightly cooler temperatures, with a minimum of 23°C (73°F) and a maximum of 29°C (84°F). Precipitation drops significantly to 89 mm (3.5 in) over 17 days, and humidity decreases to 72%. For more details, you can check Portobelo weather in January.
In September, the weather is quite warm, with temperatures ranging from a minimum of 24°C (75°F) to a maximum of 30°C (86°F) and an average of 26°C (79°F). However, this month also brings significant rainfall, with a total precipitation of 281 mm (11.1 in) over 30 days, resulting in a high humidity level of 87%. In contrast, February features slightly cooler temperatures, with a minimum of 23°C (73°F) and a maximum of 28°C (83°F), while maintaining an average of 26°C (78°F). Notably, February experiences much less rainfall, totaling just 40 mm (1.6 in) across 16 days, leading to lower humidity at 71%. For those interested in February's conditions, more information can be found here: Portobelo weather in February.
In comparing the weather between September and March, September typically presents a warmer and more humid climate. The average temperature in September hovers around 26°C (79°F) with maximum highs reaching 30°C (86°F), while March sees slightly cooler temperatures, with a max of 28°C (83°F). Additionally, September experiences significantly higher precipitation, with 281 mm (11.1 in) spread over 30 days, compared to March's 57 mm (2.3 in) across 19 days. The humidity also reflects these differences, as September has a much higher average humidity of 87%, whereas March's humidity is more comfortable at 69%. For a closer look at March weather specifically, visit Portobelo weather in March.
When comparing the weather between September and April, both months exhibit similar average temperatures, with September seeing slightly higher humidity and precipitation levels. September's temperatures range from a minimum of 24°C (75°F) to a maximum of 30°C (86°F), along with a significant rainfall total of 281 mm (11.1 in) spread over 30 days. In contrast, April maintains a comparable temperature range with a minimum of 23°C (74°F) and a maximum of 30°C (85°F), but experiences much less precipitation at 110 mm (4.3 in) over 25 days. Additionally, the humidity in April is notably lower at 71%, making it feel more comfortable than the humid conditions of September. For more detailed information, you can check Portobelo weather in April.
September and May share similar temperature ranges, with both months experiencing minimum temperatures of 24°C (75°F), average highs around 26°C (79°F), and maximum temperatures reaching 30°C (86°F). However, September is characterized by significantly higher precipitation, averaging 281 mm (11.1 in) over 30 days compared to May's 261 mm (10.3 in). Additionally, the humidity is notably higher in September at 87%, while May enjoys a slightly more comfortable level at 76%. For more details on the weather conditions in May, you can check Portobelo weather in May.
In comparing the weather of September and June, it is notable that both months share similar temperature ranges, with minimums around 24°C (75-76°F), average temperatures of 26°C (79-80°F), and maximums peaking at 30°C (86°F). However, June sees a slightly higher total precipitation of 311 mm (12.3 in) over 29 days, compared to September's 281 mm (11.1 in) spread over 30 days. Both months also exhibit high humidity levels, with June at 89% and September at 87%, contributing to a consistently warm and humid climate throughout this period. For more detailed information on June conditions, you can visit Portobelo weather in June.
In comparing the weather between September and July, we see similar temperature ranges, with both months featuring minimum temperatures around 24°C (75°F), average temperatures near 26°C (79°F for September and 80°F for July), and maximum temperatures reaching 30°C (86°F in September and 85°F in July). However, September experiences slightly lower precipitation at 281 mm (11.1 in) compared to July's 348 mm (13.7 in), despite both months spanning 30 days. Humidity remains high in both months, with September at 87% and July at 88%. For more detailed insights, you can check out Portobelo weather in July.
When comparing the weather in September to that of August, we see that both months share similar temperatures, with minimums around 24°C (75°F), averages at 26°C (79°F), and maximums reaching 30°C (86°F). However, September experiences slightly less precipitation, totaling 281 mm (11.1 in) compared to August’s 337 mm (13.3 in), indicating that September is generally a bit drier despite having the same number of rainy days (30). Humidity levels are also comparable, with September at 87% and August at 86%. For more detailed insights, you can explore Portobelo weather in August.
In September, the weather typically features a minimum temperature of 24°C (75°F) and an average of 26°C (79°F), peaking at a maximum of 30°C (86°F). This month experiences significant rainfall, with a total precipitation of 281 mm (11.1 in) over 30 days and high humidity levels at 87%.
In contrast, October sees a slightly higher maximum temperature of 31°C (87°F) while maintaining the same minimum and average temperatures as September. Precipitation increases to 297 mm (11.7 in) over 29 days, with humidity slightly dropping to 86%. For more detailed information, check out Portobelo weather in October.
In September, the weather features a broader temperature range with minimums reaching 24°C (75°F) and maximums peaking at 30°C (86°F), accompanied by significant precipitation of 281 mm (11.1 in) over 30 days, keeping humidity levels high at 87%. In contrast, November exhibits slightly cooler temperatures with a minimum of 23°C (74°F) and a maximum of 29°C (85°F). The month sees a similar amount of rainfall at 279 mm (11.0 in) spread over 28 days, contributing to a marginally lower humidity of 86%. For more specific information about the weather conditions in Portobelo, check out Portobelo weather in November.
September and December exhibit similar average temperatures, with both months averaging around 26°C (79°F); however, September tends to be slightly warmer at its peak (30°C or 86°F) compared to December's maximum of 29°C (84°F). The most notable difference lies in precipitation, as September experiences significantly higher rainfall at 281 mm (11.1 in) over 30 days, whereas December has a considerably reduced precipitation of 157 mm (6.2 in) spread over 27 days. Additionally, humidity levels are higher in September at 87%, compared to December's 79%. For those interested in more details about December weather, you can check Portobelo weather in December.
September in Portobelo is characterized by high humidity and ample rainfall, distinguishing it from other months in the year. With daily precipitation experienced throughout the month, visitors can expect a lush, vibrant environment, though it might come at the expense of sunshine. The temperatures remain comfortably warm, averaging around 26°C (79°F), making it a notably humid period. This weather pattern creates a unique tropical atmosphere, ideal for those who enjoy the richness of the rainy season. For a detailed look at Portobelo’s weather throughout the year, visit Portobelo Climate.