Last updated: August 27, 2025
September in Santa Catalina, Panama is characterized by warm temperatures and high humidity, creating a tropical paradise for visitors. With a maximum temperature of 28°C (83°F) and an average of 25°C (77°F), the days are generally pleasant, while nights cool down to a comfortable 23°C (73°F). However, this month is marked by significant precipitation, totaling 259 mm (10.2 in) over 30 days, making it the wettest time of year. Humidity levels average a high 87%, contributing to the lush landscapes and remarkable biodiversity that define this coastal haven. Whether you relish the rain or prefer sun-soaked adventures, September offers a unique insight into the vibrant ecosystem of Santa Catalina.
In September, Santa Catalina, Panama experiences a delightful blend of warmth and comfort with minimum temperatures averaging around 23°C (73°F), while the maximum peaks at an inviting 28°C (83°F). The average temperature holds steady at 25°C (77°F), continuing the trend of mild and pleasant weather characteristic of the region's tropical climate. As the month unfolds, you can expect daytime temperatures to be a bit balmy, ideal for outdoor adventures or relaxing by the beach. Interestingly, these temperatures remain relatively consistent throughout the year, with September aligning closely with the warm patterns observed in both August and July, making it a fantastic time to soak in the beauty of this coastal haven.
In September, Santa Catalina, Panama, experiences a notable dip in rainfall, with 259 mm (10.2 in) of precipitation, making it one of the lesser-wet months of the year. Despite its reduced rainfall, September remains consistent with 30 rainy days, showcasing the region's characteristic tropical climate. This trend continues from August's 263 mm (10.3 in), suggesting a gradual decline in precipitation as the region moves towards drier months. Interestingly, the following months ramp up again, particularly October and November, where rainfall surges back to 330 mm (13.0 in) and 384 mm (15.1 in) respectively. Overall, September serves as a transitional phase, hinting at the balance between the wet and slightly drier seasons in this lush paradise.
In September, Santa Catalina experiences a notable humidity level of 87%, which aligns with the damp conditions typical of the preceding summer months. This peak humidity is just slightly lower than the high marks of June and July, where the air feels particularly thick and tropical. As the year unfolds, a gradual decline is observed, with the humidity easing to 86% in October and November, hinting at the arrival of the dry season. The overall trend showcases a distinct fluctuation, with the more humid months from June to September providing a lush environment, while the later months transition towards a drier climate, enhancing the allure of this vibrant coastal destination.
In September, Santa Catalina, Panama, continues to experience high UV Index levels, peaking at 14, classified as extreme, with a burn time of just 10 minutes. This trend reflects a consistent intensity in sunlight exposure throughout the months, particularly from March to October, where the UV Index remains notably elevated. Such high ratings underscore the importance of protective measures against sunburn and skin damage. As the tropical sun persists, it’s crucial for residents and visitors alike to stay informed and vigilant. For more detailed information, visit Santa Catalina UV Index.
UV Risk Categories
In September, Santa Catalina basks in a delightful 251 hours of sunshine, marking a gentle transition towards the more vibrant sun-soaked days of autumn. This month continues the pattern of fluctuating sunshine hours, following a slightly lower total in August with 241 hours. While the sunny streak begins to climb again as the year progresses, it's notable that January welcomes the year with just 250 hours, setting a lively tone that peaks in March with 335 hours. As the dry season unfolds in the months ahead, September's sunshine is a promising hint of the brighter days to come, making it an ideal time for beach lovers and adventure seekers to revel in Panama’s natural splendor.
In Santa Catalina, Panama, September offers a modest 10% chance of sunny weather, positioning it among the months with lower likelihoods of sunshine. This period typically follows a trend of declining sun chances, with August peaking at just 5%. As the dry season approaches in late December, the likelihood of clear skies gradually increases again, suggesting that September marks a transitional phase where the vibrant summer days give way to the rainier months. While hope for sunshine remains, visitors should prepare for overcast skies and occasional tropical showers during this time.
In September, Santa Catalina, Panama, enjoys a generous 12 hours of daylight, continuing the trend established since March. This month marks the peak of consistent daylight hours that prevail from March through August, allowing ample time for outdoor adventures and exploration. As the year transitions into October, daylight begins to taper off, with hours decreasing to 11. This gradual shift hints at the region's tropical climate, where the balance between sun and shade offers a delightful experience for both locals and visitors alike. Overall, September stands out as part of a broader pattern of abundant daylight, inviting everyone to soak up the sunshine before the shorter days of the latter months arrive.
In Santa Catalina, Panama, September marks a low point for wind activity, with a gentle breeze averaging 1.9 m/s (4 mph), matching the preceding month of August. This period of tranquil winds is part of a broader trend that sees a gradual decline from the lively averages of early in the year, such as 3.9 m/s (9 mph) in January. After the peak months from January to April, where winds range between 2.7 m/s (6 mph) and 3.9 m/s (9 mph), there is a steady decrease that continues into the late summer and early fall. As October approaches, winds only slightly dip further to 1.7 m/s (4 mph), leaving September to be characterized by its calm and peaceful atmosphere, ideal for relaxation by the water and enjoying the serene beauty of the region.
Weather in Santa Catalina varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Santa Catalina, focusing on differences in temperature, rainfall, humidity, and UV levels.
In September, the weather is characterized by warmer temperatures, with a minimum of 23°C (73°F) and an average high of 28°C (83°F), accompanied by high humidity levels of 87%. This month experiences significant rainfall, with 259 mm (10.2 in) spread over 30 days. In contrast, January features slightly cooler temperatures, with a minimum of 21°C (70°F) and a maximum of 26°C (79°F), while humidity drops to 72%. However, January sees even more precipitation, totaling 368 mm (14.5 in) over 25 days. For more detailed weather information, you can check out Santa Catalina weather in January.
In September, the weather tends to be warm and humid, with temperatures ranging from a minimum of 23°C (73°F) to a maximum of 28°C (83°F). This month experiences significant precipitation, averaging 259 mm (10.2 in) over 30 days, resulting in a high humidity level of 87%. In contrast, February offers slightly cooler temperatures, with a range from a minimum of 21°C (70°F) to a maximum of 27°C (80°F). While February has higher total precipitation at 302 mm (11.9 in), it falls over fewer days (25 days), contributing to a lower humidity of 71%. For more detailed insights on February weather, check out Santa Catalina weather in February.
In comparing the weather between September and March, we see some notable differences. September features warmer temperatures with an average of 25°C (77°F) and a maximum of 28°C (83°F), while March's average temperature is slightly cooler at 23°C (74°F), peaking at 26°C (80°F). Both months experience high humidity, but September's humidity is significantly higher at 87% compared to March's 69%. Additionally, March sees more precipitation, with an average of 322 mm (12.7 in) over 30 days, compared to September's 259 mm (10.2 in) for the same number of days. For more specifics on the weather conditions in March, you can visit Santa Catalina weather in March.
In comparing the weather of September and April, both months exhibit warm temperatures, with September having slightly higher averages. September sees minimum temperatures around 23°C (73°F) and maximums reaching up to 28°C (83°F), whereas April has a minimum of 21°C (71°F), with similar maximums of 28°C (82°F). While both months experience considerable precipitation, September is wetter with 259 mm (10.2 in) over 30 days compared to April's 247 mm (9.7 in) over 26 days. Additionally, September has a higher humidity level at 87%, compared to April's more comfortable 70%. For a detailed look at the weather during April, you can visit Santa Catalina weather in April.
September and May exhibit similar average temperatures, with both months averaging around 25°C (77°F). However, September tends to be slightly warmer, with maximum temperatures reaching up to 28°C (83°F) compared to May’s 29°C (84°F). A notable difference between the two months is the precipitation: September experiences 259 mm (10.2 in) of rainfall, while May sees a higher total of 336 mm (13.2 in). Additionally, September has a much higher humidity level at 87%, making it feel more muggy and uncomfortable than May, which has a humidity of 73%. For more detailed information on weather conditions during May, you can visit Santa Catalina weather in May.
When comparing the weather in September and June, it’s clear that both months share similar temperatures, with minimums around 23°C (73°F), average temperatures of 25°C (77°F), and maximums reaching 28°C (83°F). However, September experiences slightly less precipitation at 259 mm (10.2 in) over 30 days, compared to June's 268 mm (10.6 in) over 29 days. Additionally, September is generally less humid at 87%, while June holds a higher humidity level at 90%. For more insights into June weather specifics, you can check Santa Catalina weather in June.
In comparison to July, September exhibits similar average temperatures, with both months having a minimum of 23°C (73°F), an average of 25°C (77°F), and a maximum of 28°C (82-83°F). However, September experiences significantly less rainfall, totaling 259 mm (10.2 in) compared to July's 367 mm (14.4 in). The humidity levels are comparable, with September at 87% and July slightly higher at 88%. This indicates that while both months offer warm temperatures, September tends to be a drier option. For further details on July weather conditions, you can refer to Santa Catalina weather in July.
In September, the weather in Santa Catalina shows a slight increase in minimum temperature compared to August, with September's minimum at 23°C (73°F) versus August's 22°C (73°F). Both months share the same average and maximum temperatures of 25°C (77°F) and 28°C (83°F), respectively. Precipitation levels are closely related, with September receiving 259 mm (10.2 in) and August slightly more at 263 mm (10.3 in), both over 30 days. Humidity remains consistent at 87% for both months, creating a tropical feel. For a more detailed comparison, you can visit Santa Catalina weather in August.
In comparing the weather between September and October, both months exhibit similar temperature ranges, with minimums around 23°C (73°F), averages at 25°C (77°F), and maximums slightly increasing from 28°C (83°F) in September to 29°C (85°F) in October. However, October experiences more precipitation, with a total of 330 mm (13.0 in) over 29 days compared to September's 259 mm (10.2 in) spread across 30 days. The humidity levels remain fairly consistent, with September at 87% and October slightly lower at 86%. For more detailed information on October's weather, you can visit Santa Catalina weather in October.
In September, the weather showcases warmer temperatures, with an average of 25°C (77°F) and daily highs reaching up to 28°C (83°F). However, it also experiences significant rainfall, totaling 259 mm (10.2 inches) over 30 days, making humidity levels high at 87%. In contrast, November sees slightly cooler average temperatures at 24°C (76°F), but it can still reach a high of 29°C (84°F). Notably, November is wetter, with precipitation amounts rising to 384 mm (15.1 inches) over 28 days, keeping humidity levels similarly high at 86%. For a detailed overview of the weather during this month, check out Santa Catalina weather in November.
In September, the weather is characterized by warmer temperatures, with a minimum of 23°C (73°F) and an average of 25°C (77°F). The maximum reaches around 28°C (83°F), accompanied by high humidity levels of 87%. The month also sees significant rainfall, totaling 259 mm (10.2 in) over 30 days. In contrast, December brings slightly cooler temperatures, with a minimum of 22°C (71°F), an average of 24°C (75°F), and a maximum of 27°C (80°F). However, it experiences a marked increase in precipitation, totaling 414 mm (16.3 in) while maintaining the same number of rainy days. Overall, December is a bit drier in terms of humidity at 79%. For more detailed insights, you can refer to Santa Catalina weather in December.
September in Santa Catalina brings a unique blend of warm temperatures and substantial rainfall, distinguishing it from the drier months. With average highs around 25°C (77°F) and a persistent humidity level near 87%, this month is characterized by its lush, tropical atmosphere. The frequent rains—tallying up to 259 mm over 30 days—not only rejuvenate the landscape but also invite a vibrant ecosystem. If you're considering visiting, be prepared for this tropical wetness, as September is notably one of the rainiest months in the area. For a more comprehensive understanding of what to expect throughout the year, check out the detailed information at Santa Catalina Climate.