Last updated: August 31, 2025
September in León, Nicaragua, brings a warm tropical climate characterized by maximum temperatures soaring up to 33°C (91°F) and a comfortable average of 27°C (81°F). The minimum temperature dips to around 23°C (74°F), ensuring pleasant evenings. This month is notably wet, with a significant precipitation total of 323 mm (12.7 in), experienced over 28 days, making it one of the rainiest times of the year. Combined with a humidity level of 69%, September presents a lush and vibrant atmosphere, perfect for those who appreciate the rich, green landscapes that this rainfall fosters.
September in León, Nicaragua, marks a gradual shift in temperatures as the month transitions from the sweltering summer heat into the cooler embrace of fall. With minimum temperatures hovering around 23°C (74°F) and averages dropping slightly to 27°C (81°F), visitors will find a comfortable yet warm climate. The maximum temperature peaks at 33°C (91°F), maintaining the warmth typical of the region but with a hint of relief compared to the hotter summer months. This time of year also signals the onset of the rainy season, bringing refreshing showers that cool the air and create a lush backdrop for exploring this vibrant city. With its temperate blend of warmth and moisture, September is an ideal month for enjoying León’s rich culture and natural beauty.
In September, Leon, Nicaragua experiences a significant surge in rainfall, with a remarkable 323 mm (12.7 in) accumulating over 28 days of precipitation. This dramatic increase in wet weather continues the trend that begins in May, where the region sees its heaviest rainfall, peaking in October with even more intense precipitation. As the rainy season progresses, the skies in September often remain clouded, contributing to a lush landscape that starkly contrasts with the dry months at the beginning of the year. The consistent rainfall not only nourishes the local flora but also plays a crucial role in the agricultural cycle, setting the stage for vibrant growth in the months to come.
In September, Leon, Nicaragua experiences a notable increase in humidity, with levels reaching 69%. This marks a continuation of the upward trend that begins in the warmer months, where humidity rises from 51% in March to 65% in July and maintains a high of 64% in August. As the rainy season sets in, this spike contributes to a distinctly muggy atmosphere, contrasting sharply with the drier months at the year's start. Following September, humidity slightly decreases to 68% in October, yet this still reflects a significant seasonal shift towards the high humidity characteristic of the region from summer into fall.
In September, Leon, Nicaragua experiences a UV Index of 13, placing it firmly in the extreme exposure category. This indicates a consistent trend throughout the year, where high levels of UV radiation dominate, particularly from January to June, peaking at 14 in the months of March through June. Despite a slight decrease during the latter half of the year, sun protection remains vital, as even 10 minutes of exposure can lead to burns. As the month transitions into October, residents and visitors should continue to practice sun safety diligently. For more detailed information on UV trends and recommendations, visit Leon UV Index.
UV Risk Categories
As September rolls into Leon, Nicaragua, residents and visitors alike can bask in the warm embrace of 307 hours of sunlight. This marks a slight dip from the sun-drenched days of July, which boasts the highest sunshine at 338 hours, and echoes the consistent glow seen throughout the pre-autumn months. With hours of sunshine lingering in the upper 300s during the summer, September offers a gentle transition as the rainy season starts to wane. Following the vibrant summer, the sun remains a steadfast companion, ensuring that September is still bright and inviting, while hinting at the slightly cooler months ahead. As the year progresses towards fall, Leon's climate continues to enchant, promising a compelling interplay of sun and rain that defines this picturesque region.
September in León, Nicaragua offers a relatively low chance of sunny weather, with only 19% likelihood of sunshine. As the rainy season peaks in the preceding months of June (20%) and July (32%), this trend continues into August, where the sun shines just 15% of the time. While the situation improves slightly in October (36%) and November (54%), September stands out as one of the cloudiest months of the year. Visitors should prepare for overcast skies and occasional rain, keeping in mind that the vibrant landscapes and lush greenery of this season bring their own charm to the city.
In September, León, Nicaragua, enjoys a consistent 12 hours of daylight, a trend that has persisted since March and will continue until the arrival of October. This remarkable stability in daylight duration reflects the region's equatorial climate, where days remain relatively uniform throughout the year. As summer transitions into autumn, residents and visitors alike can take advantage of the plentiful daylight, perfect for exploring the vibrant culture and stunning landscapes of this beautiful locale. The fading summer sun offers a golden glow, making it an ideal time for outdoor activities and enjoying the warmth of the Nicaraguan atmosphere before the daylight gradually diminishes in the closing months of the year.
As the month of September unfolds in León, Nicaragua, the wind whispers softly, with an average speed of just 1.8 m/s (4 mph). This marks a notable decline from the mild breezes experienced earlier in the year, particularly when the winds were a bit more robust in March at 4.0 m/s (9 mph). Throughout the summer months, wind speeds hovered around the lower range, with August and June dropping to 2.0 m/s (4 mph) and 2.0 m/s (5 mph) respectively. September's tranquility sets the stage for a calm transition into October, where winds dip further to 1.6 m/s (4 mph). This gradual decline serves as a serene backdrop to the vibrant culture of León, enhancing the charm of this historic city as it welcomes the onset of its distinct, peaceful rhythm.
Weather in Leon varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Leon, focusing on differences in temperature, rainfall, humidity, and UV levels.
In September, the weather is characterized by warm temperatures, with a minimum of 23°C (74°F) and an average of 27°C (81°F), peaking at a maximum of 33°C (91°F). However, this month also sees significant rainfall, with 323 mm (12.7 in) of precipitation spread over 28 days, leading to a relatively high humidity level of 69%.
In contrast, January offers a slightly cooler climate, with temperatures ranging from a minimum of 21°C (69°F) to an average of 28°C (82°F), peaking at 34°C (93°F). Notably, January experiences a dramatic drop in precipitation, with only 3 mm (0.1 in) and no rainy days, which results in a lower humidity of 56%. For more detailed information about weather conditions in Leon during January, visit Leon weather in January.
In September, the weather features a warmer climate with average temperatures ranging from a minimum of 23°C (74°F) to a maximum of 33°C (91°F), creating a balmy atmosphere. However, this month is also characterized by significant rainfall, experiencing 323 mm (12.7 in) over 28 days, which contributes to a higher humidity level of 69%.
In contrast, February showcases a slightly milder temperature range, with a minimum of 21°C (71°F) and a maximum of 35°C (95°F), creating a warm but drier environment. Remarkably, February sees negligible precipitation, with only 3 mm (0.1 in) over the month and no rainy days, resulting in a lower humidity of 54%. For more detailed information, you can check out Leon weather in February.
September and March present notably different weather patterns. In September, temperatures range from a minimum of 23°C (74°F) to a maximum of 33°C (91°F), with an average of 27°C (81°F). The month is characterized by high precipitation, receiving 323 mm (12.7 in) over 28 days, and the humidity hovers around 69%. In contrast, March exhibits warmer temperatures, with a minimum of 22°C (72°F) and reaching up to 35°C (95°F), averaging at 29°C (85°F). Notably, March experiences very little rain, with only 4 mm (0.2 in) over 0 days and a lower humidity level of 51%. For more detailed weather information, you can visit Leon weather in March.
September and April present quite contrasting weather conditions. In September, temperatures generally range from a minimum of 23°C (74°F) to a maximum of 33°C (91°F), with an average of 27°C (81°F). The month is characterized by elevated humidity levels at 69% and substantial precipitation, totaling 323 mm (12.7 in) spread over 28 days. In sharp contrast, April tends to be hotter, with temperatures peaking at 36°C (96°F) and averaging 29°C (84°F), while experiencing significantly less rainfall of only 37 mm (1.4 in) across just 8 days and a lower humidity of 50%. This makes April a much drier and warmer month compared to September. For more information, you can check Leon weather in April.
In September, the weather is warm with an average temperature of 27°C (81°F) and a maximum reaching 33°C (91°F), while the humidity is noticeably higher at 69%. The month experiences significant rainfall, totaling 323 mm (12.7 in) over 28 days, contributing to a more humid atmosphere. In contrast, May offers a slightly hotter climate with an average temperature of 28°C (82°F) and peaks at 35°C (96°F). Although May also sees considerable rainfall at 305 mm (12.0 in), it experiences fewer rainy days (22), which results in a lower overall humidity of 50%. For more information, you can check Leon weather in May.
In September, the weather tends to be slightly cooler, with average temperatures ranging from a minimum of 23°C (74°F) to a maximum of 33°C (91°F). However, it is characterized by significantly higher precipitation, receiving a total of 323 mm (12.7 in) over 28 days, contributing to a humidity level of 69%. In contrast, June offers a slightly warmer climate with average temperatures from a minimum of 24°C (75°F) to a maximum of 34°C (94°F), but with less rainfall—296 mm (11.6 in) over 24 days and lower humidity at 55%. For more detailed information on June weather, you can refer to Leon weather in June.
In comparing the weather between September and July, we see notable differences in temperature and precipitation. September has a slightly lower average temperature of 27°C (81°F) compared to July's warmer 29°C (84°F). However, July reaches higher maximum temperatures at 35°C (95°F), while September peaks at 33°C (91°F). When it comes to rainfall, September is considerably wetter, accumulating 323 mm (12.7 in) over 28 days, whereas July sees just 104 mm (4.1 in) across 14 days. Additionally, humidity is slightly higher in September at 69%, compared to July's 65%. For more detailed information about the conditions in July, visit Leon weather in July.
In comparing the weather of September to August, we see that September has slightly cooler temperatures, with average highs around 33°C (91°F) compared to August's higher average of 34°C (94°F). Both months share the same minimum temperature of 23°C (74°F), however, September generally experiences more rain, receiving 323 mm (12.7 in) over 28 days, compared to the 238 mm (9.4 in) over 23 days in August. The humidity is also a bit higher in September at 69%, compared to August's 64%. For a detailed look at August weather, you can check Leon weather in August.
In September, the weather features a warm average temperature of 27°C (81°F), with a minimum of 23°C (74°F) and a maximum of 33°C (91°F). The month is marked by significant rainfall, totaling 323 mm (12.7 in) over 28 days, coupled with a relatively high humidity level of 69%.
In contrast, October experiences a slight drop in average temperature, settling at 26°C (80°F), while maintaining the same minimum and maximum temperatures as September. However, it sees an increase in precipitation levels, totaling 471 mm (18.6 in) across 27 days, with humidity slightly decreasing to 68%.
For a more detailed look at what to expect, visit Leon weather in October.
In September, the weather is characterized by warmer temperatures, with a minimum of 23°C (74°F) and a maximum of 33°C (91°F), while November sees slightly cooler temperatures, with a minimum of 22°C (72°F) but maintaining the same average and maximum temperatures as September. However, September tends to be much wetter, experiencing 323 mm (12.7 in) of rainfall over 28 days, compared to November's 188 mm (7.4 in) spread over 15 days. Additionally, humidity levels are higher in September at 69%, whereas November’s humidity drops to a more comfortable 61%. For a more detailed understanding of November's climate, you can check out Leon weather in November.
In September, the weather tends to be hot and humid, with average temperatures around 27°C (81°F) and maximums reaching up to 33°C (91°F). The month experiences significant rainfall, with 323 mm (12.7 in) over 28 days, resulting in a humidity level of 69%. In contrast, December offers a more pleasant climate, with similar temperature averages, but markedly less rainfall, totaling just 8 mm (0.3 in) over only 2 days. The humidity drops to 56%, making December a much drier and more comfortable month overall. For more details on the weather in December, you can check Leon weather in December.
As September rolls in, Leon embraces a significant shift in weather compared to the drier months preceding it. This month experiences increased humidity levels and a notable rise in precipitation, with frequent rain showers adding a vibrant touch to the landscape. The average temperatures remain comfortably warm, but the consistent rainfall marks a clear departure from the more arid conditions of summer. Residents and visitors alike can expect a lush, green environment, albeit while navigating through a wetter atmosphere. For more in-depth insights on Leon's climate, be sure to check out Leon Climate.