Last updated: August 27, 2025
September in Chiriqui, Panama is characterized by warm temperatures and significant rainfall, creating a lush and vibrant atmosphere. With a maximum temperature reaching 31°C (87°F) and an average of 24°C (75°F), this month offers a tropical climate perfect for exploring the region’s natural beauty. However, visitors should be prepared for a minimum temperature of 19°C (67°F) during the cooler nights. Rainfall is notably heavy, with an impressive total of 353 mm (13.9 in) accumulated over 29 days, contributing to the region's rich biodiversity. The humidity level remains high at 87%, making the air feel even more tropical. Embrace the enchanting rain-soaked landscapes that September brings to Chiriqui!
In September, Chiriqui, Panama experiences a delightful equilibrium in temperatures, making it an appealing destination for visitors. With a minimum of 19°C (67°F) and a maximum of 31°C (87°F), the weather remains warm but comfortable, supported by an average temperature of 24°C (75°F). This month sees a slight decrease in the maximum temperature compared to the preceding months, but it continues to offer a pleasant climate for outdoor activities. As the region transitions from the dry to the rainy season, the mild temperatures contribute to a lush, vibrant landscape, encouraging exploration and adventure amidst the stunning scenery. Overall, September in Chiriqui balances warmth and comfort, perfect for enjoying the beauty of this enchanting area.
In September, Chiriqui experiences one of its wettest months, accumulating a staggering 353 mm (13.9 in) of precipitation over 29 days. This significant rainfall marks a peak in the annual trend, as the region transitions from the drier months of early in the year to the intense wet season. Notably, September's precipitation surpasses that of both August and October, indicating a brief yet impactful climax in the region's atmospheric instability. With rain virtually every day, the landscape flourishes, showcasing Panama's rich biodiversity and vibrant greenery, which are characteristic of the Chiriqui mountains during this lively season.
In September, Chiriqui, Panama, experiences high humidity levels, averaging around 87%, which aligns with the peak of the rainy season. The month follows a pattern set in the preceding summer months of July and August, both marked by similarly elevated moisture content in the air. This notable increase begins in June, when humidity surges to 90%, making the region feel quite tropical. Despite a slight decline in October and November, where levels hover around 86%, September remains a hallmark of Chiriqui's lush, verdant atmosphere, showcasing its vibrant ecosystem during this wet season. Overall, the humidity trend emphasizes a consistent, moist climate that characterizes life in this picturesque, cloud-covered region.
As we step into September, Chiriqui, Panama, continues to experience consistently high levels of UV radiation, with the UV Index peaking at 14, falling within the extreme exposure category. This trend mirrors the preceding months, particularly April when the UV Index reached its highest at 15. Despite slight fluctuations throughout the year, such as the minima in November at 12, the overall pattern indicates a persistent need for protective measures against the sun's harmful rays. With a burn time consistently limited to just 10 minutes, it's critical for residents and visitors alike to stay vigilant when enjoying outdoor activities. For more detailed insights on the UV conditions, check out the Chiriqui UV Index.
UV Risk Categories
In September, Chiriquí, Panama, enjoys a respectable 236 hours of sunshine, hinting at a gentle transition from the vibrant summer months. Following the peak sunshine of March at 341 hours, the weather starts to mellow as the rainy season unfolds. While September's hours may seem modest compared to the sun-drenched heights of early spring, they reflect a consistency that characterizes Chiriquí's climate, with sunshine levels remaining steady through the autumn months. The gradual decrease in sunlight from August's 228 hours to September's 236 hours indicates a slight recovery, suggesting that even as the year wanes, there are still ample opportunities to bask in nature's glow. This trend underscores the region's magnificent tropical allure, making Chiriquí a delightful destination throughout the year.
In Chiriqui, Panama, the likelihood of sunny weather in September decreases significantly, with only a 9% chance of sunshine. This trend reflects a broader pattern of diminishing sunlight as the year progresses, particularly in the midst of the rainy season that peaks from April to August, where chances of clear skies dwindle to as low as 5%. As summer recedes, September stands out as one of the cloudiest months, making it a time when travelers should prepare for a high likelihood of rain rather than basking in sunlit days. Following September, there is a slight rebound in sunny days come November, but for those hoping to soak up rays, September may not be the ideal time in Chiriqui.
In Chiriqui, Panama, September enjoys a delightful 12 hours of daylight, aligning with the consistent patterns established over the summer months. The region showcases a remarkable stability in daylight hours, with 12 hours of sunlight from March through September, creating an optimal environment for outdoor activities and exploring the lush landscapes. As the year transitions into October, daylight begins to wane slightly, dropping to 11 hours, signaling a shift towards the cooler months. Overall, Chiriqui’s daylight trends reflect a balanced equilibrium that enhances its tropical charm and supports a diverse ecosystem, making it a captivating destination year-round.
As September unfolds in Chiriqui, Panama, the winds remain gentle, averaging just 1.2 m/s (3 mph)—a continuation of the subdued breezes that have marked the preceding summer months. Following a slight peak in March, when winds amplified to 2.6 m/s (6 mph), the trend of diminishing wind speeds becomes evident as the seasons transition. This period of calm air is reflective of the region's typical early autumn characteristics, allowing for serene afternoons and tranquil evenings. As the weather cools into October, we anticipate further drops, with winds likely settling at 1.1 m/s (2 mph), emphasizing the peaceful ambiance of this lush, vibrant landscape during the latter part of the year.
Weather in Chiriqui varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Chiriqui, focusing on differences in temperature, rainfall, humidity, and UV levels.
September and January showcase notable differences in weather patterns. September, with temperatures ranging from a minimum of 19°C (67°F) to a maximum of 31°C (87°F), tends to be much wetter, receiving an average of 353 mm (13.9 in) of rain over 29 days, contributing to high humidity levels of 87%. In contrast, January maintains similar average temperatures, from a minimum of 17°C (63°F) to a maximum of 31°C (88°F), but experiences significantly less rainfall at just 28 mm (1.1 in) over only 4 days, resulting in lower humidity at 72%. For more insights into the weather patterns during this month, you can visit Chiriqui weather in January.
When comparing the weather in September and February, notable differences emerge. September boasts a warm temperature range, with minimums around 19°C (67°F) and maximums reaching up to 31°C (87°F). However, it is also characterized by high humidity at 87% and significant rainfall, totaling 353 mm (13.9 in) over 29 days. In contrast, February offers slightly cooler nights with a minimum temperature of 17°C (63°F), yet maintains a similar average temperature of 24°C (76°F) and a peak of 32°C (90°F). Notably, February is much drier, receiving only 14 mm (0.5 in) of rain over just 2 days and lower humidity levels at 71%. This stark contrast highlights the shift from September's wet season to the drier, more temperate conditions typical of February. For more detailed information, you can check Chiriqui weather in February.
September and March present contrasting weather conditions in terms of temperature, precipitation, and humidity. In September, the temperatures range from a minimum of 19°C (67°F) to a maximum of 31°C (87°F) with an average of 24°C (75°F), accompanied by significant rainfall of 353 mm (13.9 in) over 29 days, resulting in high humidity levels of 87%. In contrast, March boasts slightly warmer temperatures, with a minimum of 18°C (65°F) and a maximum of 32°C (90°F), yielding an average of 25°C (77°F). Notably, March experiences minimal precipitation, only 10 mm (0.4 in) on just 1 day, and a lower humidity of 69%. For more detailed insights on the weather in March, you can check out Chiriqui weather in March.
When comparing the weather in September and April, notable differences emerge in both temperature and precipitation. September experiences a minimum temperature of 19°C (67°F) and an average of 24°C (75°F), with a maximum reaching 31°C (87°F). In contrast, April has a similar minimum temperature but a slightly higher average of 25°C (77°F) and peaks at 33°C (92°F). Precipitation is significantly more abundant in September, with 353 mm (13.9 in) falling over 29 days compared to April’s 140 mm (5.5 in) over just 15 days. Additionally, humidity levels are higher in September at 87%, while April maintains a more comfortable 70%. For more insights on the weather during April, you can check Chiriqui weather in April.
In comparing the weather between September and May, both months have similar average temperatures, hovering around 24°C (75°F), but September tends to be slightly cooler with a minimum temperature of 19°C (67°F), while May starts at 20°C (68°F). Additionally, May sees a marginally higher maximum temperature of 32°C (90°F) compared to September's 31°C (87°F). Precipitation patterns reveal that both months experience rainfall on 29 days, but September has a higher total precipitation of 353 mm (13.9 in) compared to May's 339 mm (13.3 in). Humidity levels also differ, with September being more humid at 87%, while May is somewhat drier at 73%. For more details on the weather specifics in May, you can check Chiriqui weather in May.
When comparing the weather in September and June, we find that both months exhibit similar temperature ranges, with minimums around 19°C (66-67°F), average temperatures near 24°C (75-76°F), and maximums peaking at 31°C (87-89°F). However, September tends to be slightly wetter, receiving 353 mm (13.9 in) of precipitation compared to June's 308 mm (12.1 in). Both months experience similar humidity levels, with September at 87% and June slightly higher at 90%. For a more detailed look at the weather patterns in June, you can refer to this link: Chiriqui weather in June.
In comparing the weather between September and July, we see some similarities and differences. Both months experience average temperatures around 24°C (75°F), with maximum temperatures peaking at 31°C (87°F in September and 88°F in July). However, September typically experiences slightly higher minimum temperatures, averaging 19°C (67°F), compared to July’s minimum of 20°C (67°F).
Precipitation levels are notably higher in September, with 353 mm (13.9 in) of rainfall over 29 days, while July sees 290 mm (11.4 in) over 28 days. Humidity remains quite high in both months, with September at 87% and July at 88%. For a more detailed insight into July weather, refer to Chiriqui weather in July.
In comparing the weather of September and August, both months feature similar average temperatures, ranging from a minimum of 19-20°C (67-68°F) and a maximum of 31°C (87-88°F). However, September experiences slightly higher precipitation, totaling 353 mm (13.9 in) over 29 days, compared to August's 303 mm (11.9 in) for the same number of days. Humidity levels remain constant at 87% for both months, contributing to a consistent tropical feel. For a more detailed overview of August's weather, you can visit Chiriqui weather in August.
September and October share similar temperature ranges, with September slightly warmer, averaging 24°C (75°F) during the month compared to October's average of 23°C (74°F). Both months are characterized by high humidity, hovering around 87% in September and slightly lower at 86% in October. However, October sees increased precipitation, with 452 mm (17.8 in) of rain recorded over 30 days, compared to September's 353 mm (13.9 in) over 29 days. This shift in rainfall emphasizes October's wetter conditions. For more detailed weather insights, you can check Chiriqui weather in October.
In comparing September and November weather, we see only slight variations. Both months start with a minimum temperature of 19°C (67°F), but September averages a bit warmer at 24°C (75°F) compared to November's average of 23°C (74°F). The maximum temperatures are also quite similar, with September reaching 31°C (87°F) and November peaking at 30°C (85°F). However, November experiences slightly more precipitation, with 375 mm (14.8 in) over 25 days compared to September's 353 mm (13.9 in) over 29 days. Humidity levels remain high in both months, with September at 87% and November at 86%. For more detailed insights, you can check Chiriqui weather in November.
In comparing the weather between September and December, both months maintain a similar average temperature of around 24°C (75°F). However, September tends to be more humid, with humidity levels at 87% compared to December's 79%. Additionally, September experiences significantly more precipitation, totaling 353 mm (13.9 in) over 29 days, whereas December sees only 89 mm (3.5 in) across just 12 days. This stark contrast in rainfall makes December a drier and more comfortable month overall. For more detailed information, you can check Chiriqui weather in December.
As September unfolds in Chiriqui, the weather shifts to a notably moist and humid atmosphere, with heavy precipitation affecting nearly every day of the month. This period contrasts sharply with the drier spells of the preceding and subsequent months. While temperatures hover around a comfortable average, the persistent high humidity can make it feel warmer than it is. With a significant rainfall total, this month is ideal for lush landscapes but may limit outdoor activities. For a deeper understanding of how September fits into Chiriqui's overall annual climate, explore Chiriqui Climate.