Last updated: August 31, 2025
September in Managua, Nicaragua is characterized by a warm tropical climate that is both vivid and vibrant. With maximum temperatures soaring to 39°C (102°F) and an average of 28°C (82°F), the heat is undeniably intense. Nights bring a slight relief with minimum temperatures around 23°C (74°F). This month also witnesses substantial rainfall, accumulating to 174 mm (6.8 in) over approximately 22 days, resulting in a humidity level of 69% that adds to the sultry atmosphere. While the increased precipitation nurtures the region's lush landscapes, it also calls for readiness amid potentially stormy weather. Visitors should prepare for both sunshine and rain, embracing the diverse climatic experience Managua has to offer.
In September, Managua, Nicaragua, maintains its warm tropical climate, with temperatures ranging from a minimum of 23°C (74°F) to a maximum of 39°C (102°F). The average temperature hovers around 28°C (82°F), consistent with the preceding months of August and July. This slight shift in the minimum temperature reflects the onset of the rainy season, while the maximum temperature remains elevated, indicating the lingering heat of late summer. Despite mild fluctuations, September marks a transitional period where the mix of warmth and humidity becomes more prominent, inviting a refreshing downpour that rejuvenates the landscape. Travelers can expect a balance of sunshine and occasional showers, making it an ideal time to explore the vibrant culture and natural beauty of the region.
September marks a significant increase in precipitation for Managua, Nicaragua, with 174 mm (6.8 in) of rain falling over 22 days. This surge continues the trend of a wet season that begins in May and peaks in October. After the relatively dry months of January through March, the change is palpable, as the intensity of the rains impacts daily life and the surrounding landscape. The steady rainfall not only nourishes the lush greenery but also contributes to the striking transformation of the region during this time. As October approaches, the precipitation typically escalates even further, making September a pivotal month in the cycle of Managua's climate, setting the stage for the rainy season's climax.
September marks a noticeable shift in humidity levels in Managua, Nicaragua, with the figure peaking at 69%. This month signals the transition into the heart of the rainy season, as humidity consistently rises from the 51% recorded in March, culminating in a summer high during August at 64%. Following a gradual increase throughout the late summer months, September's moisture-laden air creates a palpable stickiness, setting the stage for the wetter October, which hovers at 68%. The trend illustrates how Managua's humidity ebbs and flows throughout the year, reflecting the region's dynamic climate and the impending downpours that define this time of year.
In September, Managua, Nicaragua, continues to experience a highly intense UV Index of 13, classified in the extreme exposure category. Providing no reprieve from the summer heat, this means that even brief sun exposure can lead to skin damage in just 10 minutes. The monthly UV Index in September is consistent with the readings from the previous months, showcasing a trend of sustained intensity from January through August, where UV levels remained equally challenging. As October approaches, residents and visitors should remain vigilant, as the UV Index is projected to stay at 13, reflecting the persistent tropical sun’s strength. To stay informed about safe sun practices, check out the detailed Managua UV Index.
UV Risk Categories
September in Managua, Nicaragua, brings a delightful 303 hours of sunshine, continuing the trend of plentiful daylight that characterizes the region. Following the vibrant summer months of July and August, which boast 338 and 327 hours respectively, September maintains a healthy amount of sunshine, albeit with a slight dip. As the rainy season transitions, the number of sunlit hours remains robust, overshadowed only by the sun-drenched days of March and July. This enduring warmth and light not only enhance the beauty of Nicaragua's landscape but also invite residents and visitors alike to partake in outdoor adventures and cultural festivities, making September a truly captivating time in the capital.
In September, Managua experiences a notably low likelihood of sunny weather, with only a 23% chance of sun. This continues a downward trend from the summer months, where July and August see even lower probabilities of clear skies at 33% and 18%, respectively. Following the vibrant sunshine of the earlier months, when chances reach as high as 74% in February, September's overcast conditions signal a shift towards the rainy season. As the year progresses into October, the likelihood of sunshine does improve slightly to 38%, but for those looking for sun in September, it's wise to prepare for clouds and possible showers.
In Managua, Nicaragua, the month of September enjoys a generous 12 hours of daylight, continuing the trend established from April through August. This consistent daylight duration not only highlights the tropical climate's stability but also invites locals and visitors alike to relish outdoor activities under the warm sun. As the year progresses into October, daylight begins to shorten slightly, returning to 11 hours, echoing the patterns seen in January and February. Overall, the data reflects a balanced rhythm of light that characterizes life in Managua, subtly shifting through the seasons while offering ample opportunities for exploration and enjoyment in the beautiful Nicaraguan landscape.
In September, Managua experiences its calmest winds of the year, with an average speed of just 2.3 m/s (5 mph), a stark contrast to the breezier months that precede it. Following a gradual decline from 4.2 m/s in July to 2.8 m/s in August, the winds continue to soften, ushering in the serene atmosphere typical of this time. This trend reflects the transition into the latter part of the rainy season, as October further diminishes to 2.0 m/s (4 mph), indicating a noticeable shift towards stillness. As the year progresses, the winds will gradually pick up again by November, hinting at the cyclical nature of Managua's weather patterns.
Weather in Managua varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Managua, focusing on differences in temperature, rainfall, humidity, and UV levels.
When comparing the weather in September and January, notable differences emerge. September experiences higher temperatures, with a minimum of 23°C (74°F) and a maximum reaching 39°C (102°F), while January is slightly cooler, with temperatures ranging from a minimum of 20°C (68°F) to a maximum of 36°C (97°F). Additionally, September sees significantly more rainfall, with 174 mm (6.8 in) of precipitation over 22 days, contributing to a higher humidity level of 69%. In contrast, January boasts a much drier climate, receiving only 1 mm (0.0 in) of precipitation over 0 days, leading to a more comfortable humidity level of 56%. For more detailed information, you can check Managua weather in January.
September and February present contrasting weather patterns. In September, temperatures can reach a sweltering maximum of 39°C (102°F), with an average of 28°C (82°F) and a minimum of 23°C (74°F). This month is also characterized by significant precipitation, with 174 mm (6.8 in) recorded over 22 rainy days, leading to a higher humidity level of 69%. In stark contrast, February enjoys drier conditions, with nearly no precipitation (only 1 mm) and no rainy days. The temperature range is slightly cooler, with a maximum of 37°C (98°F), an average of 28°C (83°F), and a minimum of 20°C (67°F). Humidity levels are also lower in February, at 54%. For a more detailed look at February's climate, you can check Managua weather in February.
In comparing the weather of September and March, notable differences emerge. September typically experiences warmer temperatures, with average highs around 28°C (82°F) and peaks reaching up to 39°C (102°F). In contrast, March has a slightly lower average temperature of 29°C (84°F) but can still rise to 38°C (100°F). While both months can be quite warm, September is characterized by significantly higher rainfall, averaging 174 mm (6.8 inches) over 22 days, leading to higher humidity levels of 69%. March, on the other hand, is markedly drier, with only 2 mm (0.1 inches) of precipitation over the entire month and a reduced humidity of 51%. For more detailed information, you can check Managua weather in March.
September and April exhibit notable differences in weather patterns. While both months can reach high temperatures of up to 39°C (102°F), September's average temperature is slightly lower at 28°C (82°F) compared to April's warmer 30°C (86°F). Additionally, September experiences significantly more rainfall, with a total of 174 mm (6.8 in) spread over 22 days, in stark contrast to April, which sees only 13 mm (0.5 in) over just 3 days. The humidity levels also vary, with September being more humid at 69% compared to April's 50%. For a more detailed look at April's climate, you can visit Managua weather in April.
When comparing September and May weather, both months exhibit similar temperature ranges, with September having a minimum temperature of 23°C (74°F) and May slightly higher at 23°C (73°F). However, May generally sees a higher average temperature of 29°C (84°F) compared to September's average of 28°C (82°F). In terms of extremes, both months can reach maximum temperatures of 39°C (102°F) in September and 39°C (103°F) in May. Notably, September experiences more precipitation, totaling 174 mm (6.8 in) over 22 days, while May has greater rainfall at 215 mm (8.5 in) across 18 days, making May slightly drier overall. Additionally, humidity is notably higher in September at 69%, whereas May has a lower humidity level of 50%. For more detailed information about the weather in May, check out Managua weather in May.
In September, the weather is typically warmer, with daily temperatures reaching a maximum of 39°C (102°F), compared to June's maximum of 37°C (98°F). Both months have a similar minimum temperature of around 23°C (74°F) and an average temperature that hovers around 28°C (82°F to 83°F). However, September experiences more rainfall, accumulating 174 mm (6.8 in) over 22 days, while June sees slightly less precipitation at 157 mm (6.2 in) over 19 days. Additionally, the humidity levels are notably higher in September at 69%, compared to June's 55%. For more details, you can explore Managua weather in June.
In comparing the weather between September and July, September tends to be slightly warmer overall, with average temperatures reaching 28°C (82°F) compared to July's average of 29°C (84°F). Both months experience the same minimum temperature of around 23°C (73°F), but September sees higher maximum temperatures, peaking at 39°C (102°F) versus July's maximum of 37°C (99°F). Additionally, September is significantly more humid, with an average humidity of 69% compared to July's 65%. Precipitation also greatly differs; September experiences 174 mm (6.8 in) of rain over 22 days, while July only receives 48 mm (1.9 in) over 10 days. For a more detailed look at July weather, you can check Managua weather in July.
In comparing the weather between August and September, both months exhibit warm temperatures, with August having a slightly lower maximum temperature of 37°C (100°F) compared to September's peak of 39°C (102°F). The average temperature remains similar, hovering around 28°C (82°F). However, September experiences significantly higher precipitation, totaling 174 mm (6.8 in) over 22 days, in contrast to August's 100 mm (3.9 in) across 17 days. Additionally, September shows a slight increase in humidity at 69%, compared to 64% in August. For more details, you can check out Managua weather in August.
In September, the weather is characterized by warmer temperatures, with averages reaching up to 28°C (82°F) and highs reaching 39°C (102°F). The month experiences significant rainfall, totaling 174 mm (6.8 in) over 22 days, contributing to a humid atmosphere with 69% humidity. In contrast, October sees a slight drop in average temperatures, with a minimum of 22°C (73°F) and a maximum of 36°C (98°F), but it also brings increased rainfall, totaling 280 mm (11.0 in) over 23 days. The humidity remains relatively stable at 68%, illustrating that while October may be slightly cooler, it is also wetter. For more specific details, check out Managua weather in October.
In September, the weather is characterized by warmer temperatures, with a minimum of 23°C (74°F) and maximum reaching up to 39°C (102°F). The month is also quite rainy, with 174 mm (6.8 in) of precipitation occurring over 22 days, resulting in a higher humidity level of 69%. In contrast, November sees slightly cooler temperatures, with a minimum of 21°C (71°F) and a maximum of 36°C (96°F). The precipitation significantly decreases to 88 mm (3.4 in), spread over just 9 days, and humidity levels drop to 61%. This shift in weather makes November a more comfortable month overall, particularly for outdoor activities. For a detailed overview, check out Managua weather in November.
In September, the weather is notably warmer, with temperatures reaching a maximum of 39°C (102°F) and an average of 28°C (82°F). The month is characterized by high humidity at 69% and significant rainfall, accumulating 174 mm (6.8 in) over 22 days. In contrast, December offers a more temperate climate, with maximum temperatures at 35°C (96°F) and similar averages but with much less precipitation, only about 5 mm (0.2 in) occurring over just one day. Additionally, humidity drops to 56%, making December a more comfortable month overall. For detailed weather insights, you can refer to Managua weather in December.
September in Managua is characterized by a notable increase in humidity and precipitation, setting it apart from the drier months. With frequent rain showers that can occur on over two-thirds of the days, the vibrant greenery of the city flourishes. The temperature remains relatively warm, hovering around a comfortable average, but the high humidity can make it feel quite muggy. Unlike the drier seasons, September offers a unique blend of heat and moisture, making it a distinctive time to experience the city's lush landscape. For a more detailed understanding of the weather patterns, check out Managua Climate.