Last updated: August 31, 2025
Experience the tropical charm of Great Corn Island, Nicaragua in September, where warm temperatures invite you to embrace the beauty of island life. With maximum temperatures reaching 29°C (85°F) and an average of 27°C (81°F), the variety ensures a climate perfect for relaxation and exploration. While the minimum temperature dips to a cozy 25°C (78°F), be prepared for the vibrant green landscapes that benefit from 211 mm (8.3 in) of rainfall over 26 days. The high humidity level of 72% adds to the lush atmosphere, making September a unique time to experience the island's natural splendor and local culture.
In September, Great Corn Island, Nicaragua, experiences warm and inviting temperatures, with minimums around 25°C (78°F) and highs reaching up to 29°C (85°F). This month stands out where the average temperature maintains a pleasant 27°C (81°F), mirroring trends from the preceding several months. As the island transitions into the fall season, the temperatures remain consistently inviting, making September a delightful time for visitors to enjoy the lush landscapes and pristine beaches. With slightly elevated nighttime temperatures compared to early months like January and February, the climate continues to offer a perfect backdrop for relaxation and exploration.
In September, Great Corn Island experiences a significant shift in precipitation patterns, receiving an average of 211 mm (8.3 in) of rainfall over 26 days. This marks a transition from the heavy downpours of the preceding months, particularly July and August, which recorded 313 mm (12.3 in) and 282 mm (11.1 in) respectively. While September's rainfall is notably less than in July and August, it still sustains the island's lush greenery and vibrant ecosystem. As the rainy season gradually winds down, the consistent moisture presents a unique charm, with an abundance of showers keeping the landscape vibrant, making the island a serene escape. Looking ahead, October’s precipitation rises again to 303 mm (11.9 in), promising to keep our tropical island thriving.
As the seasons shift on Great Corn Island, September experiences a comfortable humidity level of 72%, inviting warmth without overwhelming stickiness. Following the peak of July's 76%, humidity begins to gently decline, reflecting a trend towards more moderate conditions as the island transitions into autumn. The summer months, with July and August hovering in the mid-70s, give way to September's pleasant atmosphere, setting the tone for October's slight decrease to 71%. This gradual shift underscores a balanced coastal climate, ideal for both locals and visitors seeking to enjoy the island's natural beauty with a touch of tropical freshness.
In September, Great Corn Island, Nicaragua maintains its pattern of high solar intensity, with a UV Index of 13, classifying the exposure as extreme and indicating a burn time of just 10 minutes. This month is consistent with the trend seen from June through August, where the UV Index remained a steady 13, reflecting the island's tropical climate. The unwavering levels of UV radiation throughout these summer months call for diligent sun protection, especially as the year transitions into October, which continues with a similar Index. For detailed insights into the UV levels year-round, visit Great Corn Island UV Index.
UV Risk Categories
In September, Great Corn Island basks in 292 hours of sunshine, marking a pleasant transition as the dry season approaches. This month showcases a steady trend with sunlight hours that comfortably outshine the cooler months that precede it, while still keeping pace with the seven months of sunshine preceding it. From the 335 hours of March to the more subdued 250 hours of January, it's clear that September settles into a sweet spot of warmth and brightness, inviting visitors to enjoy the stunning tropical scenery. As the island moves towards October, sunshine remains generous, ensuring that September holds its own in the sun-soaked spectrum of the year's offerings.
In Great Corn Island, Nicaragua, September stands out as one of the less sunny months, with a mere 23% chance of sunshine. This trend emerges from a generally decreasing likelihood of clear skies from mid-summer onward. After enjoying relatively brighter conditions in the earlier months, particularly with a notable 67% chance of sun in February, the island experiences a gradual decline as the year progresses. By the time September arrives, residents and visitors may find themselves embracing the island's lush landscapes amidst more frequent rain, reminding us that the tropical allure of Great Corn Island often comes hand-in-hand with the unpredictability of weather.
As September unfolds on Great Corn Island, Nicaragua, residents and visitors alike enjoy a consistent 12 hours of daylight. This trend of ample sunlight extends from March to September, showcasing a delightful peak in daylight during the mid-year months. After the vibrant summer, daylight begins its gradual retreat in October, returning to 11 hours as the year winds down into the cooler months. This predictable rhythm not only shapes daily activities but also enriches the island's natural beauty, creating the perfect backdrop for exploration and relaxation.
As September rolls into Great Corn Island, Nicaragua, the gentle caress of the wind reaches its annual low, averaging just 4.3 m/s (10 mph). This marks a noticeable drop from the bustling breezes of earlier months, with the wind steadily decreasing from 6.5 m/s (15 mph) in July and further declining from August's 4.9 m/s (11 mph). This tranquil atmosphere offers a perfect backdrop for relaxation and exploration, contrasting sharply with the more vigorous winds experienced in both the winter and the upcoming November. As the year transitions towards its end, the island’s wind pattern illustrates a calming trend, inviting visitors to bask in the serene beauty of this tropical paradise.
Weather in Great Corn Island varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Great Corn Island, focusing on differences in temperature, rainfall, humidity, and UV levels.
When comparing the weather in September and January, September tends to be slightly warmer with average temperatures hovering around 27°C (81°F), while January offers a marginally cooler experience with an average of 26°C (79°F). September also brings significantly more rainfall, with 211 mm (8.3 in) over 26 days, compared to January's 99 mm (3.9 in) over 19 days. Additionally, humidity levels in September are higher at 72%, while January features a more comfortable 68%. For more detailed weather insights, you can check out Great Corn Island weather in January.
September and February present contrasting weather patterns. September features warmer temperatures, with a minimum of 25°C (78°F) and an average of 27°C (81°F), peaking at 29°C (85°F). It is also marked by significantly higher precipitation, totaling 211 mm (8.3 in) across 26 days, contributing to a humidity level of 72%. In contrast, February enjoys milder temperatures, with a minimum of 23°C (75°F) and an average of 26°C (79°F), reaching a maximum of 28°C (82°F). This month experiences much less rain, with only 44 mm (1.7 in) over 17 days, and slightly lower humidity at 68%. For a detailed look at February weather, visit Great Corn Island weather in February.
When comparing the weather in September and March, it's evident that September is generally warmer and wetter. In September, temperatures range from a minimum of 25°C (78°F) to a maximum of 29°C (85°F), with an average of 27°C (81°F). This month also experiences significant rainfall, totaling 211 mm (8.3 in) over 26 days, accompanied by a humidity level of 72%. In contrast, March sees slightly cooler temperatures, with a minimum of 24°C (76°F) and a maximum of 28°C (82°F), resulting in an average of 26°C (79°F). Precipitation in March is considerably lower at 54 mm (2.1 in) across 17 days, and the humidity is slightly less at 67%. For a detailed insight on March weather, you can visit Great Corn Island weather in March.
September and April share similar temperature ranges, with both months experiencing a minimum of 25°C (78°F), an average of 27°C (81°F), and a maximum around 29°C (84-85°F). However, September is significantly wetter, receiving 211 mm (8.3 inches) of precipitation over 26 days, compared to April's much drier 51 mm (2.0 inches) over just 13 days. Humidity levels are slightly higher in September at 72%, while April sees a more comfortable 67%. For more detailed weather insights, you can check Great Corn Island weather in April.
When comparing the weather in September and May, both months boast similar temperatures, with minimums at 25°C (78°F), averages of 27°C (81°F), and maximums reaching 29°C (85°F). However, September experiences slightly more precipitation, totaling 211 mm (8.3 in) over 26 days, compared to May’s 206 mm (8.1 in) over 25 days. Additionally, September is a bit more humid at 72%, whereas May enjoys a slightly lower humidity of 68%. For those interested in a closer look at May's weather specifics, you can explore Great Corn Island weather in May.
In comparing the weather of September and June, both months showcase similar temperature ranges, with minimums around 25°C (78°F), averages at 27°C (81°F), and maximums nearing 29°C (85°F). However, September experiences slightly less precipitation, totaling 211 mm (8.3 in) over 26 days, while June is wetter, with 287 mm (11.3 in) of rain falling over 28 days. Humidity levels are also comparable, with September at 72% and June at 73%. For a more detailed look at June weather, you can refer to this link: Great Corn Island weather in June.
In comparing the weather of September and July, both months experience similar temperature ranges, with minimums around 25°C (77-78°F), average temperatures of 27°C (81°F), and maximums reaching 29°C (84-85°F). However, July tends to be wetter, receiving 313 mm (12.3 in) of precipitation over 29 days, compared to September’s 211 mm (8.3 in) over 26 days. Additionally, humidity is slightly higher in July at 76% versus 72% in September. This makes July feel more oppressive, while September’s weather can be a bit more manageable. For a detailed look at July weather, check out Great Corn Island weather in July.
In comparing the weather between September and August, we see that both months share similar temperature ranges, with September's minimum at 25°C (78°F), average at 27°C (81°F), and maximum at 29°C (85°F), closely mirroring August's temperatures. However, September experiences significantly less precipitation, totaling 211 mm (8.3 in) over 26 days compared to August's 282 mm (11.1 in) spread across 29 days. Humidity remains fairly consistent, with September at 72% and August slightly higher at 73%. For more detailed insights, you can check the Great Corn Island weather in August.
In comparing the weather of September and October, we observe that both months maintain a consistent temperature profile, with a minimum of 25°C (78°F), an average of 27°C (81°F), and a maximum of 29°C (85°F) in each month. However, October experiences a noticeable increase in precipitation, totaling 303 mm (11.9 in) compared to September's 211 mm (8.3 in), and more days of rain, occurring over 28 days as opposed to 26 days in September. Humidity levels remain relatively similar, with October at 71% and September slightly higher at 72%. For a detailed look at the weather specifics in October, you can visit Great Corn Island weather in October.
In comparing the weather between September and November, we find that both months maintain similar temperature profiles, with minimums around 25°C (77°F), averages of 27°C (81°F), and maximums reaching 29°C (85°F). However, November experiences a notable increase in precipitation, totaling 297 mm (11.7 in) over 28 days, compared to September's 211 mm (8.3 in) across 26 days. Despite the slightly higher humidity in September at 72%, November's humidity is still quite high at 71%. For a more detailed look at the weather conditions in November, you can check out Great Corn Island weather in November.
In comparing the weather of September and December, we find that both months display warm temperatures, with September having a slightly higher average max temperature of 29°C (85°F) compared to December's 28°C (83°F). The minimum temperatures are quite similar, with September at 25°C (78°F) and December at 24°C (76°F). However, December experiences less precipitation overall, with 168 mm (6.6 in) over 28 days compared to September's 211 mm (8.3 in) over 26 days. Additionally, humidity is slightly lower in December at 69%, compared to 72% in September. This makes December a more comfortable time of year weather-wise. For more details, you can check Great Corn Island weather in December.
As September rolls in, Great Corn Island experiences a unique shift in weather that sets it apart from other months. The temperatures remain comfortably warm, with highs around 29°C (85°F) and pleasant averages hovering at 27°C (81°F). However, this month is characterized by a significant increase in rainfall, with nearly 26 days marked by precipitation, resulting in an average of 211 mm (8.3 in) of rain. The high humidity at 72% adds to the tropical ambiance, making September one of the island's wettest months. For more detailed insights into the climate year-round, visit Great Corn Island Climate.