Last updated: August 31, 2025
In September, Santa Teresa, Nicaragua experiences a tropical climate characterized by warm temperatures and notable humidity. With maximum temperatures soaring to 35°C (96°F) and an average of 27°C (81°F), the weather remains sultry throughout the month. However, cooler nights bring temperatures down to a pleasant 22°C (72°F). This period is also marked by significant rainfall, accumulating around 218 mm (8.6 in) over 25 days, contributing to the region's lush landscapes. The humidity level hovers around 80%, creating a vibrant atmosphere that showcases the beauty of this coastal paradise amidst the frequent showers.
In September, travelers to Santa Teresa, Nicaragua can expect warm and inviting weather, with temperatures ranging from a minimum of 22°C (72°F) to a comfortable average of 27°C (81°F), peaking at 35°C (96°F). This month reflects a continuation of the region's tropical climate, where the warmth remains consistent, slightly cooling as it transitions into the fall. Compared to the preceding months, September maintains a similar average temperature to August while showing a minor uptick in maximum heat. The blend of sunshine and gentle ocean breezes makes it an ideal time for beach activities and exploring the vibrant surroundings of this coastal paradise. As the month progresses, visitors may notice an increased chance of rain, adding refreshing moments to the tropical backdrop.
In September, Santa Teresa experiences a notable surge in rainfall, with 218 mm (8.6 in) of precipitation recorded over a staggering 25 days—the highest number of rainy days for the year. This pattern marks a transition into the tail end of the wet season, where humidity rises and the landscape flourishes. Following August's substantial 144 mm (5.7 in), the arrival of September rain builds on this trend, setting the stage for the even more intense downpours of October, which averages a striking 393 mm (15.5 in). The data reveals a distinct rainy season rhythm, emphasizing that while September may feel soggy, it's a vital part of the region's lush, vibrant ecosystem.
As the year progresses in Santa Teresa, Nicaragua, humidity levels exhibit a distinct seasonal pattern. Beginning with a comfortable average around 66% in January, the humidity steadily lowers to 63% from March through May, creating a pleasant dry spell. However, the weather shifts dramatically as the rainy season approaches, leading to a significant spike in July at a humid 85%, which diminishes slightly to 82% in August. By September, humidity remains relatively high at 80%, just before it begins to stabilize again in the following months, dropping to 79% through October and November. This trend highlights the tropical climate's characteristics—marked by a dry onset followed by a lush, humid period that invites vibrant life to the region.
In September, Santa Teresa, Nicaragua, continues to showcase its intense sun exposure with a UV Index of 13, maintaining the extreme category that characterizes much of the year. This consistent level suggests that outdoor enthusiasts should exercise caution, as the burn time remains a mere 10 minutes. Following the trend from the past several months, September falls in line with the preceding summer months, marked by high UV levels reaching their peak earlier in the year. For those planning beach days or outdoor activities, it’s crucial to prioritize sun protection during this time. Stay informed and explore detailed insights at Santa Teresa UV Index.
UV Risk Categories
September in Santa Teresa, Nicaragua, offers a delightful blend of warmth and sunshine, boasting an admirable 306 hours of sunlight. As the peak of the rainy season begins to taper off, this month reflects a slight dip from the sun-drenched heights of July, which enjoyed 337 hours. Remarkably, September still thrives with more sunlight than the subsequent months, maintaining a consistent brightness that invites both adventure and relaxation. This trend showcases Santa Teresa’s allure, where every sunbeam from January’s 265 hours to the summer peak not only illuminates the inviting beaches but also enriches the vibrant community life that flourishes under its golden rays.
In Santa Teresa, Nicaragua, September typically sees a modest likelihood of sunny weather, with only a 20% chance of clear skies. This marks one of the lowest probabilities over the year, following the peak sunny months of January and February. The trends reveal a significant dip in sunshine from the vibrant summer months, with August already reflecting a mere 15% chance. As the region transitions into the latter part of the year, the chance of sun begins to rebound in October and November, highlighting the cyclical pattern of seasonal weather in this tropical paradise. Visitors should prepare for potential rainfall, but also hold out hope for those rare, sunlit moments amidst the clouds.
In September, Santa Teresa, Nicaragua enjoys a steady 12 hours of daylight, continuing the trend of abundant light that characterizes the region from March through August. This consistent daylight duration allows for extended beach days and vibrant sunsets, making it an ideal time for tourists and locals alike to engage in outdoor activities. As the year progresses into October, daylight begins to wane, returning to 11 hours, signaling the start of a subtle seasonal shift. Overall, September embodies the peak of sunshine-filled days, inviting everyone to take full advantage of the stunning coastal landscape.
As September arrives in Santa Teresa, Nicaragua, the winds begin to whisper a gentle lullaby, with average speeds dropping to 2.7 m/s (6 mph). This marks a notable shift from the breezier months of March and April, where gusts can reach up to 6.0 m/s (13 mph) and 4.5 m/s (10 mph), respectively. The trend of diminishing wind strength continues into October, where it further dips to a calm 2.3 m/s (5 mph). The lower wind speeds of September invite a more serene atmosphere, perfect for relaxing on the beach or enjoying tranquil sunsets, reminiscent of the tranquil days of summer but hinting at the seasonal changes to come.
Weather in Santa Teresa varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Santa Teresa, focusing on differences in temperature, rainfall, humidity, and UV levels.
In September, the weather is noticeably warmer and more humid, with temperatures ranging from a minimum of 22°C (72°F) to a maximum of 35°C (96°F) and an average of 27°C (81°F). The month sees significant rainfall, accumulating 218 mm (8.6 in) over 25 days, resulting in a high humidity level of 80%. In contrast, January offers a more comfortable climate, with slightly lower temperatures ranging from a minimum of 19°C (67°F) to a maximum of 34°C (93°F), while maintaining the same average of 27°C (81°F). This month enjoys much drier conditions, with only 3 mm (0.1 in) of precipitation and no rainy days, leading to a lower humidity of 66%. For a detailed look at January's weather, visit Santa Teresa weather in January.
In comparing the weather of September and February, both months showcase warm temperatures, with averages around 27°C (81°F) and 27°C (82°F) respectively, and maximums reaching similar highs of 35°C (96°F) and 35°C (95°F). However, September is characterized by significantly higher humidity at 80% and substantial rainfall, with 218 mm (8.6 in) of precipitation over 25 days, making it a much wetter month. In contrast, February enjoys a much drier climate, recording only 2 mm (0.1 in) of precipitation and no rainy days, coupled with a lower humidity of 64%. For more specific details about the weather conditions in February, you can visit Santa Teresa weather in February.
When comparing the weather in September and March, we see notable differences in temperature and precipitation. In September, temperatures range from a minimum of 22°C (72°F) to a maximum of 35°C (96°F), with an average of 27°C (81°F). This month is characterized by high humidity at 80% and significant rainfall, totaling 218 mm (8.6 in) over 25 days. In contrast, March experiences slightly cooler conditions with minimum temperatures around 20°C (69°F) and a maximum reaching 35°C (95°F), yielding an average temperature of 28°C (83°F). Unlike September, March is notably dry, with only 2 mm (0.1 in) of precipitation recorded and no rainy days, along with a lower humidity level of 63%. For more detailed weather insights, you can check the link: Santa Teresa weather in March.
In September, the weather is characterized by warmer temperatures, with minimums around 22°C (72°F) and maximums reaching up to 35°C (96°F), accompanied by high humidity of 80%. The month experiences significant rainfall, totaling 218 mm (8.6 in) over approximately 25 days, making it quite wet. In contrast, April features slightly higher minimum and average temperatures, with a minimum of 23°C (73°F) and an average of 29°C (85°F), but it is far drier, receiving only 15 mm (0.6 in) of precipitation over just 4 days, and lower humidity at 63%. For more details, you can check out Santa Teresa weather in April.
September and May exhibit some notable differences in weather patterns. September's temperatures range from a minimum of 22°C (72°F) to a maximum of 35°C (96°F), with an average of 27°C (81°F). It experiences significant rainfall, totaling 218 mm (8.6 in) over 25 days, accompanied by high humidity at around 80%. In comparison, May is slightly warmer, with temperatures ranging from a minimum of 23°C (74°F) to a maximum of 37°C (98°F), and an average temperature of 28°C (83°F). While May features higher overall precipitation at 241 mm (9.5 in), it occurs over just 21 days and has lower humidity at 63%. For more details, check the link: Santa Teresa weather in May.
When comparing the weather in September and June, both months exhibit similar average temperatures, with September showing a minimum of 22°C (72°F) and June slightly higher at 23°C (73°F). The maximum temperatures in both months peak at around 35°C (94°F-96°F), maintaining a warm climate. However, September is characterized by slightly higher humidity at 80% compared to June's 74%, contributing to a more oppressive feel during that month. Additionally, September experiences more frequent rainfall, with 218 mm (8.6 in) over 25 days, whereas June has a total of 212 mm (8.4 in) spread over 23 days. For more detailed insights into June weather, you can visit Santa Teresa weather in June.
In comparing the weather between July and September, one can observe distinct differences. July typically experiences slightly cooler temperatures, with a minimum of 23°C (73°F) and an average of 28°C (82°F), while September sees a minimum of 22°C (72°F) and a higher average of 27°C (81°F). Despite this, September is characterized by significantly more rainfall, with 218 mm (8.6 in) over 25 days, compared to July's 69 mm (2.7 in) across 17 days. Additionally, humidity levels are high in both months, with July soaring at 85% and September slightly lower at 80%. For more specific information about July's weather patterns, you can visit Santa Teresa weather in July.
In comparing the weather between September and August, we notice some intriguing trends. Both months experience similar minimum temperatures, with September averaging 22°C (72°F) and August at 22°C (71°F). The average temperatures remain fairly consistent, with September at 27°C (81°F) and August slightly higher at 27°C (82°F). However, September tends to be more humid, with an 80% humidity level compared to August's 82%. Notably, September also sees a significant increase in precipitation, totaling 218 mm (8.6 in) over 25 days, compared to August's 144 mm (5.7 in) across 20 days. This makes September a wetter month overall. For more detailed insights, you can check Santa Teresa weather in August.
In September, temperatures range from a minimum of 22°C (72°F) to a maximum of 35°C (96°F), with an average of 27°C (81°F). The month experiences significant rainfall, totaling 218 mm (8.6 in) across 25 days, accompanied by high humidity levels of 80%. In contrast, October sees slightly cooler temperatures, with a minimum of 22°C (72°F) and a maximum of 33°C (91°F), averaging 26°C (80°F). However, rainfall increases substantially to 393 mm (15.5 in) over 26 days, while humidity remains comparable at 79%. For more detailed insights into October's weather, check out Santa Teresa weather in October.
In September, the weather tends to be quite warm, with temperatures ranging from a minimum of 22°C (72°F) to a maximum of 35°C (96°F) and an average of 27°C (81°F). The month is characterized by high humidity levels of around 80% and significant rainfall, totaling 218 mm (8.6 in) over 25 days.
In contrast, November experiences slightly cooler temperatures, with a minimum of 21°C (70°F) and a maximum of 33°C (92°F), while still maintaining an average of 27°C (81°F). Rainfall is notably reduced, with only 130 mm (5.1 in) occurring over just 11 days and humidity levels remaining relatively stable at 79%. For more detailed information, you can check Santa Teresa weather in November.
September and December present notably different weather patterns. In September, temperatures range from a minimum of 22°C (72°F) to a maximum of 35°C (96°F) with an average of 27°C (81°F). The month is marked by significant rainfall, totaling 218 mm (8.6 in) over 25 days, accompanied by high humidity levels at 80%. In contrast, December boasts slightly lower temperatures, with a minimum of 21°C (70°F) and a maximum of 34°C (93°F), while maintaining the same average of 27°C (81°F). Significantly drier, December sees only 8 mm (0.3 in) of precipitation over just 1 day and decreased humidity at 70%. For more detailed information, you can visit Santa Teresa weather in December.
As September unfolds in Santa Teresa, the weather presents a unique character distinct from the other months. The warm temperatures, averaging around 27°C (81°F), create a pleasant backdrop, while the high humidity at 80% adds a tropical touch. However, this month is also marked by increased rainfall, with 218 mm of precipitation over 25 days, making it one of the wettest periods of the year. This combination of heat and humidity transforms the landscape into a lush paradise, while the persistent rain can occasionally keep outdoor activities at bay. For a deeper dive into the climate nuances of Santa Teresa throughout the year, visit Santa Teresa Climate.