Last updated: August 27, 2025
September in Panama City showcases a tropical climate with average temperatures hovering around 26°C (80°F), peaking at a warm 31°C (88°F) and dipping to a comfortable 24°C (75°F). Rain is a constant companion this month, with a significant precipitation total of 252 mm (9.9 in) spread across 30 days, leading to high humidity levels of 87%. Expect lush greenery and vibrant landscapes, as frequent showers nourish the city, making September a uniquely dynamic time to experience Panama's natural beauty and urban charm.
In September, Panama offers a warm tropical embrace, with temperatures that hover consistently around 24°C (75°F) for the minimum and peak at 31°C (88°F), creating a delightful average of 26°C (80°F). This month marks the continuation of a gentle warming trend that began in the earlier months, with September’s conditions mirroring the previous months, ensuring that visitors can enjoy the balmy weather. The steady temperatures, combined with the region's lush scenery, make it an ideal time for exploration, despite the slight uptick in humidity that often accompanies this season. Whether you're strolling through vibrant streets or relaxing in the warm breeze, September in Panama promises a captivating experience under the sun.
In September, Panama experiences substantial rainfall, with an impressive 252 mm (9.9 in) of precipitation, making it one of the wetter months of the year. This is part of a pronounced trend during the rainy season, where the deluge begins in earnest around May and continues persistently through October. With 30 days of rain, September is no exception, contributing to an overall humid environment that's characteristic of the region during this time. As the peak of the rainy season, it follows an equally wet August, showcasing a pattern of escalating precipitation through the late summer months. Both July and August precede September with significant rainfall, but it’s in September that the frequency of rainy days reigns supreme, emphasizing the tropical climate’s relentless embrace of moisture.
In September, Panama experiences a noteworthy humidity level of 87%, marking a slight decline from the peak of 89% seen in June. This month sits amidst a trend of elevated humidity that escalates from the relatively comfortable figures in the early months of the year, where humidity hovers around 72% in January. The increase becomes most pronounced from May onwards, peaking in the middle of the rainy season during June and July. As the months progress towards the end of the year, humidity gradually stabilizes, dipping slightly towards the average of 86% in the following months. Overall, September showcases the typical tropical climate of Panama, characterized by substantial moisture and warmth.
In September, the UV Index in Panama remains steady at 13, categorized as extreme, with a quick burn time of just 10 minutes. This consistent measurement reflects a broader trend observed throughout the year, where the UV Index frequently hovers between 12 and 15, indicating a year-round need for sun protection. Notably, Panama’s climate ensures high UV exposure, making it essential for residents and visitors alike to be vigilant about sun safety. With September's numbers aligned with previous months, it’s crucial to plan outdoor activities accordingly. For more detailed information, visit Panama UV Index.
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As September unfolds in Panama, residents and visitors are greeted by an inviting average of 274 hours of sunshine, marking a delightful transition in the yearly weather pattern. Following a bustling summer with consistent sunshine, this month showcases a gradual return to more favorable daylight hours, maintaining a warm and vibrant atmosphere. Interestingly, the trend reveals a slight dip from the sun-soaked months of April and March, yet September still outshines the summer's cooler months like June and July, firmly establishing it as a time of bright days and clear skies. With October on the horizon, the sunshine only slightly increases, promising a continued embrace of warmth and light as the year winds down.
September in Panama marks a notable dip in sunshine, with only an 8% chance of clear skies. This month, like the preceding ones from May to August, continues the trend of reduced sunlight, peaking at a mere 11% in May before gradually declining through the rainy season. The pattern is quite distinct, as the early months of the year see a more promising 46% chance of sun, making them more favorable for those seeking warmth and brightness. As we transition from the vibrant start of the year to the damp September rains, it's clear that visitors should prepare for a markedly overcast experience this time of year.
In Panama City during September, the daylight duration remains consistent at a wholesome 12 hours, reflecting the region's equatorial climate. Interestingly, this stable length of day mirrors the previous months of June, July, and August, creating a sense of continuity as the year transitions. As the calendar shifts toward October, Panama will see a slight decrease to 11 hours of daylight, hinting at a gradual seasonal change. This trend of longer days in the first half of the year gives way to a shorter daylight duration as the year draws to a close, yet the balance of light remains a defining feature of life in this vibrant city.
As September sweeps into Panama City, the average wind speed dances down to 2.0 m/s (4 mph), marking one of the calmest months of the year. This gentle breeze is a noticeable shift from the steady winds of the earlier months, where averages lingered around 3.6 m/s (8 mph) through the spring. The pattern reveals a gradual decline as summer transitions into autumn, with speeds dipping further to a low of 1.8 m/s (4 mph) in October. While September may usher in a subtler wind, its coolness provides a refreshing balm, inviting locals and visitors alike to enjoy the serene atmosphere and vibrant scenery unique to this time of year.
Weather in Panama varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Panama, focusing on differences in temperature, rainfall, humidity, and UV levels.
In September, the weather is characterized by warmer temperatures, with minimums of 24°C (75°F) and frequent rain, totaling 252 mm (9.9 in) over 30 days, contributing to a high humidity level of 87%. In contrast, January offers slightly cooler temperatures with minimums around 22°C (73°F) and significantly less rainfall, averaging just 38 mm (1.5 in) over 6 days, resulting in lower humidity at 72%. Despite similar average highs of 31°C (88°F) in both months, January is notably drier and less humid, making it a more comfortable time to visit. For more insights, check out Panama weather in January.
September and February in Panama present distinct climatic contrasts despite similar average temperatures. In September, the temperatures range from a minimum of 24°C (75°F) to a peak of 31°C (88°F) with an average of 26°C (80°F). However, this month is characterized by high precipitation, with an impressive 252 mm (9.9 in) falling over 30 days, resulting in a humidity level of 87%. In contrast, February offers a drier experience with significantly less rainfall of only 10 mm (0.4 in) occurring on just 1 day. The temperatures remain consistent, ranging from a minimum of 22°C (71°F) to a maximum of 31°C (88°F), but the humidity drops to a more comfortable 71%. For more details, you can check Panama weather in February.
In comparing the weather between September and March, both months exhibit similar average temperatures, hovering around 26°C (80°F) with daily highs reaching up to 31°C (88°F). However, September is characterized by significantly higher humidity at 87% and a substantial amount of rainfall, totaling 252 mm (9.9 in) over 30 days, making it one of the wettest months. In contrast, March experiences a much drier climate, with only 16 mm (0.6 in) of precipitation spread over just 3 days and lower humidity at 69%. For more details on the weather patterns in March, you can visit Panama weather in March.
September and April present contrasting weather patterns. In September, temperatures range from a minimum of 24°C (75°F) to a maximum of 31°C (88°F), with an average of 26°C (80°F). This month also sees significant rainfall, recording 252 mm (9.9 in) over 30 days and high humidity levels at 87%. In contrast, April offers slightly warmer temperatures, with a minimum of 22°C (72°F) and a maximum of 32°C (89°F), along with a lower average of 27°C (81°F). Precipitation is much lighter in April, totaling 84 mm (3.3 in) over just 15 days and accompanied by a lower humidity level of 71%. For more detailed information, you can check Panama weather in April.
When comparing the weather in September and May, both months exhibit warm temperatures with minimal differences; September features a minimum of 24°C (75°F), an average of 26°C (80°F), and a maximum of 31°C (88°F), while May has a similar minimum of 24°C (75°F), an average of 27°C (80°F), and a slightly higher maximum of 32°C (90°F). Precipitation levels are quite comparable, with September receiving 252 mm (9.9 in) over 30 days and May slightly higher at 258 mm (10.2 in) over 29 days. Notably, September has a higher humidity at 87%, compared to May's 76%, making it feel more oppressive. For more details on May weather in Panama, visit Panama weather in May.
In September, the weather remains warm with a minimum temperature of 24°C (75°F) and an average of 26°C (80°F), closely mirroring the conditions of June, which features similar minimum temperatures but slightly higher averages at 27°C (80°F) and a maximum of 32°C (89°F). Both months experience high levels of humidity, around 87% in September compared to 89% in June, contributing to a sticky atmosphere. Precipitation levels are substantial in both months, with September receiving 252 mm (9.9 in) over 30 days and June slightly wetter at 271 mm (10.7 in) over 29 days. This consistency in warm temperatures and high humidity makes for a tropical climate throughout the year. For more specifics on the June weather, you can visit Panama weather in June.
In comparing the weather of September and July, both months maintain a similar temperature range, with September showing a minimum of 24°C (75°F), an average of 26°C (80°F), and a maximum of 31°C (88°F), while July features a slightly higher average temperature of 27°C (80°F) and a maximum reaching 31°C (89°F). However, July is marked by more significant rainfall, with 308 mm (12.1 in) of precipitation compared to September's 252 mm (9.9 in), both spread over 30 days. Humidity levels are comparable, with July at 88% and September at 87%. For more detailed information on July weather, check out Panama weather in July.
In comparing the weather patterns for September and August, it is notable that both months share similar temperature ranges, with minimums of 24°C (75°F), average highs of 26°C (80°F), and maximums reaching 31°C (88°F). However, September experiences slightly less rainfall, with a total of 252 mm (9.9 in) compared to August's 284 mm (11.2 in). The humidity remains comparable as well, with September at 87% and August at 86%. For more details on August weather, you can refer to this link: Panama weather in August.
In comparing the weather between September and October, both months exhibit similar temperatures, with minimums around 24°C (75°F) and highs reaching up to 31°C (88°F). However, October experiences slightly higher average temperatures, with the average at 79°F compared to September's average of 80°F. Precipitation levels also rise in October, accumulating to 274 mm (10.8 in) over 29 days, whereas September sees 252 mm (9.9 in) over 30 days. Humidity remains relatively stable, hovering around 86% in October and 87% in September. To learn more about what to expect, you can check out Panama weather in October.
In comparing the weather of September and November, we can see some similarities and slight differences. Both months experience warm temperatures, with September having a minimum of 24°C (75°F), an average of 26°C (80°F), and a maximum of 31°C (88°F), which is mirrored in November. However, November registers a marginally lower minimum temperature of 23°C (74°F) while maintaining the same average and maximum temperatures.
When it comes to rainfall, September experiences more precipitation with 252 mm (9.9 in) over 30 days, compared to November’s 212 mm (8.3 in) across 27 days, indicating November is somewhat drier. Humidity levels are quite similar, with September at 87% and November slightly lower at 86%. For detailed insights into November's weather, you can explore this link: Panama weather in November.
In comparing September and December weather, both months feature warm temperatures, with average highs reaching around 31°C (88°F) and lows around 23-24°C (74-75°F). However, September is considerably wetter, experiencing a significant precipitation of 252 mm (9.9 in) over 30 days, compared to December's much drier 101 mm (4.0 in) over just 19 days. Additionally, humidity levels are higher in September at 87%, while December sees a drop to 79%. For more details on December's climate, you can visit Panama weather in December.
September in Panama is characterized by a unique blend of warm temperatures and high humidity, making it stand out from other months. With an average of 26°C (80°F) and frequent rainfall, this month is one of the wettest, often drenched in rain almost every day. The intense humidity, hovering around 87%, adds a palpable thickness to the air, creating a distinct tropical atmosphere. While other months may offer drier spells, September embraces a lush, vibrant landscape fueled by its substantial 252 mm (9.9 in) of rainfall. Experience the full spectrum of Panama's weather by visiting Panama Climate for additional insights.