Last updated: August 27, 2025
In Colon, Panama, September typically boasts a maximum temperature of 31°C (89°F), an average of 27°C (80°F), and a comfortable minimum of 24°C (75°F). This month is characterized by significant precipitation, accumulating approximately 279 mm (11.0 in) over an impressive 29 days, making it one of the wettest periods of the year. Visitors can expect high humidity levels around 87%, adding to the tropical atmosphere. As you prepare for a trip, understanding these climate nuances can help you make the most of your time in this vibrant coastal destination.
In September, Colon, Panama, experiences tropical weather that is characteristic of its coastal climate. With minimum temperatures consistently around 24°C (75°F) and peaks reaching 31°C (89°F), the month maintains a stable and warm atmosphere. The average temperature hovers at a comfortable 27°C (80°F), mirroring July and August, suggesting a trend of minimal fluctuations across these late summer months. This slight increase in temperature towards the latter part of the year sets the stage for a balmy transition into the fall, making September an inviting month for visitors who enjoy warm, humid weather. As you navigate the vibrant streets and picturesque landscapes, be prepared for both the heat and potential rainfall that this lush region is known for.
In September, Colon, Panama experiences substantial rainfall with an average precipitation of 279 mm (11.0 in), marking it as a significant contributor to the region's lush landscape. This month typically sees 29 days of precipitation, continuing the trend established in the preceding months of heavy rainfall. The rainy season peaks in July, with 384 mm (15.1 in), but September maintains high levels, showcasing the persistent tropical climate. As the rainy season progresses into October, anticipated precipitation climbs again to 314 mm (12.4 in), suggesting that while September is noteworthy, the heaviest rains may still be ahead. Overall, September's rainfall is a vital part of Colon's climate, bridging the gap between summer and fall with a vibrant mix of moisture and life.
In September, Colon, Panama experiences a humidity level of 87%, maintaining the high moisture trend established in the preceding months. Following June's peak of 90%, the humidity gently declines but remains notably elevated during the late summer. This consistent humidity, particularly when compared to earlier months like March and April, which hovered around 69% to 70%, underscores the region's shift into a wetter climate as it approaches the end of the rainy season. Overall, this month continues to reflect the tropical essence of Colon, characterized by lush greenery and vibrant ecosystems fueled by the high humidity.
In September, Colon, Panama experiences a notable UV Index of 13, maintaining its standing in the extreme exposure category. This level of UV radiation is consistent with the previous month, August, and continues the trend from the summer months where values reached up to 14. With a burn time of just 10 minutes, it’s crucial to take appropriate sun protection measures to avoid harmful effects. As the year transitions toward its end, the UV Index remains a constant reminder of the tropical sun's intensity. For detailed insights on UV levels throughout the year, explore the Colon UV Index.
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September in Colón, Panama, enjoys a delightful 273 hours of sunshine, marking a pleasant respite as the rainy season transitions towards its peak. This month strikes a harmonious balance, offering more sunlight than the preceding months of June, July, and August, which saw a decline in radiant hours. Interestingly, while sunshine tends to fluctuate across the year, September's daylight is a gentle reminder of summer's lingering presence before the days shorten again. Following September, the sunshine hours recover a bit in October, suggesting that autumn continues to gift Colón with a blend of sunlit skies and warm weather, perfect for exploring this vibrant coastal town.
In Colon, Panama, the likelihood of sunny weather follows a notable trend as the year progresses. While the start of the year, particularly in January through March, showcases a promising chance of sun, with probabilities rising to 46% in March, this sun-filled optimism swiftly declines heading into the later months. By April, the chances drop dramatically to 21%, and the summer months—May through August—see a significant dive, with August hitting a low of just 7%. September continues this trend with a mere 9% chance of sunshine, making it one of the cloudiest months. As the year transitions into October and November, the likelihood gradually improves, suggesting that while the rainy season peaks in September, hope for sun is rekindled as the year draws to a close.
In Colon, Panama, the daylight duration exhibits a consistent rhythm throughout the year. From January to February, residents enjoy 11 hours of sunlight, ushering in a gradual increase as March brings a full 12 hours. This trend of extended daylight continues steadily from March through August, providing an abundance of sunshine for seven months. Remarkably, September maintains this 12-hour daylight, reinforcing the area's balanced exposure to sunlight just before the days start to shorten again in October. As the year unfolds, daylight decreases to 11 hours in the final months, but the summer-like glow of late summer lingers, making September a peak time for outdoor activities and exploration.
As September arrives in Colon, Panama, the gentle caress of the wind reminds us of the seasonal ebb and flow. Average wind speeds dip to 2.0 m/s (5 mph), continuing a trend of decreased breezes that began in the sweltering summer months. From a robust 4.9 m/s (11 mph) in March, the winds gradually softened through the warmer seasons, reaching their annual low in September and October. This tranquil wind pattern, while serene, signals a transition—a shift from the humid days of summer towards the slightly brisker air that will emerge in November. It’s a time when the soft whispers of September winds invite moments of reflection and ease, perfectly complementing the lush landscape of the region.
Weather in Colon varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Colon, focusing on differences in temperature, rainfall, humidity, and UV levels.
September and January present contrasting weather conditions. In September, temperatures range from a minimum of 24°C (75°F) to a maximum of 31°C (89°F), with an average of 27°C (80°F). The month is characterized by high humidity at 87% and significant rainfall, totaling 279 mm (11.0 in) over 29 days. In stark contrast, January features slightly cooler temperatures, with a minimum of 23°C (73°F) and a maximum of 30°C (87°F), averaging 26°C (80°F). Precipitation drops significantly to 96 mm (3.8 in) over just 18 days, and humidity decreases to 72%. For more details, you can check Colon weather in January.
September and February exhibit similar average temperatures, with both months averaging around 27°C (80°F). However, September is marked by significantly higher humidity at 87% compared to February's 71%, making it feel more oppressive. Additionally, September is much wetter, receiving 279 mm (11.0 in) of precipitation over 29 days, while February sees a modest 42 mm (1.7 in) across 17 days. This stark difference in rainfall and humidity makes February a more comfortable month for outdoor activities compared to the often rainy and humid September. For more detailed information, you can visit Colon weather in February.
September and March share similar average temperatures, with September having a minimum of 24°C (75°F) and March slightly lower at 23°C (74°F). Both months also feature the same maximum temperature of 31°C (89°F) in September and 31°C (88°F) in March. However, September is significantly wetter, recording 279 mm (11.0 in) of precipitation over 29 days, while March experiences just 57 mm (2.3 in) over 19 days. Additionally, humidity levels in September are notably higher at 87%, compared to 69% in March, making September feel more muggy. For more detailed insights, you can check Colon weather in March.
When comparing the weather in September and April, both months showcase similar temperature ranges, with minimums around 24°C (75°F), averages near 27°C (81°F), and maximums peaking at 31°C (89°F). However, September is notably wetter, receiving 279 mm (11.0 in) of precipitation over 29 days, compared to April's lighter rainfall of 129 mm (5.1 in) across 24 days. Additionally, September has a higher humidity level at 87%, while April feels relatively drier with 70% humidity. For more details on April weather in Colon, you can visit Colon weather in April.
September and May exhibit strikingly similar temperature ranges, with both months featuring a minimum of 24°C (75°F), an average of 27°C (80°F), and a maximum reaching up to 31°C (89°F). However, September is characterized by significantly higher precipitation, totaling 279 mm (11.0 in) over 29 days, compared to May's 285 mm (11.2 in) spread across 31 days. Additionally, humidity levels are notably higher in September at 87%, while May experiences a more comfortable 73% humidity. This difference in humidity can make May feel less oppressive compared to the wetter, more humid conditions of September. For more detailed insights into May's weather, you can refer to Colon weather in May.
In comparing the weather of September and June, both months exhibit similar temperature ranges, with minimums around 24°C (75°F) and averages hovering near 27°C (80°F to 81°F). However, June tends to be slightly warmer, with a maximum temperature capping at 32°C (89°F) compared to September's maximum of 31°C (89°F). Precipitation levels are quite high in both months, with June receiving 307 mm (12.1 in) and September slightly less at 279 mm (11.0 in), and both months experience rain on 29 days. The humidity is also notable in both months, remaining above 87%. For more detailed insights, you can check Colon weather in June.
In comparison to July, September experiences similar average temperatures, with both months ranging from a minimum of 24°C (75°F) to an average of 27°C (80°F). However, September generally has a slightly higher maximum temperature of 31°C (89°F) compared to July's 30°C (87°F). Precipitation is notably different between the two months, as September receives 279 mm (11.0 in) of rainfall over 29 days, while July sees significantly more at 384 mm (15.1 in) over 31 days. Humidity levels are relatively comparable, with September at 87% and July at 88%. For a more detailed look at July's weather, you can check Colon weather in July.
September's weather closely mirrors that of August, with both months featuring similar temperature ranges. The minimum, average, and maximum temperatures in September are 24°C (75°F), 27°C (80°F), and 31°C (89°F), respectively, making it just slightly warmer than August, which has a maximum of 31°C (88°F). However, September sees a decrease in total precipitation, accumulating 279 mm (11.0 in) over 29 days compared to August's 332 mm (13.1 in) across 30 days. Despite these differences, the humidity remains consistent at 87% for both months, contributing to a humid tropical climate. For more details, you can refer to Colon weather in August.
In September, the weather features a similar temperature range, with minimums around 24°C (75°F) and averages of 27°C (80°F), peaking at a maximum of 31°C (89°F). However, it experiences a high level of precipitation, totaling 279 mm (11.0 in) over 29 rainy days and maintaining a humidity level of 87%.
In contrast, October sees a slight increase in maximum temperatures, reaching 32°C (90°F), while the minimum and average remain consistent with September. Rainfall increases slightly to 314 mm (12.4 in) over the same number of days, resulting in a humidity level that drops slightly to 86%. This indicates a continuation of the wet season, but with marginally higher temperatures. For more detailed information on the weather in October, visit Colon weather in October.
In September, the weather in Colon features temperatures ranging from a minimum of 24°C (75°F) to a maximum of 31°C (89°F), with an average temperature of 27°C (80°F). September experiences significant rainfall, with a total precipitation of 279 mm (11.0 in) spread over 29 days, and humidity levels remain high at 87%.
In contrast, November sees a slight decrease in average temperature, with a range similar to September—min of 24°C (75°F), average of 26°C (80°F), and max of 31°C (88°F). However, November has an even higher total precipitation of 303 mm (11.9 in) across 28 rainy days, accompanied by a marginally lower humidity level of 86%. For a more detailed look at the weather conditions in November, you can check Colon weather in November.
In comparing the weather between September and December, both months exhibit similar average temperatures, hovering around 27°C (80°F). However, September tends to be slightly warmer, with maximum temperatures reaching 31°C (89°F), compared to December's maximum of 30°C (87°F). Rainfall in September is significantly higher, with 279 mm (11.0 in) over 29 days, while December sees a reduced precipitation of 175 mm (6.9 in) on 28 days. Additionally, the humidity levels are notably higher in September at 87%, whereas December feels more comfortable with humidity at 79%. For more specific details, you can check Colon weather in December.
September in Colón is characterized by high humidity and an abundance of rainfall, making it stand out from other months. With an average temperature hovering around a warm 27°C, residents and visitors can expect a muggy atmosphere, where the relentless showers occur on nearly every day of the month. This contrast to the drier and slightly cooler months emphasizes the tropical climate's intensity. For more insights into the climate patterns throughout the year, visit Colon Climate.