Last updated: August 21, 2025
Experience the tropical charm of Guanaja, Honduras in September, where the weather captivates with a maximum temperature reaching 30°C (87°F) and an average of 28°C (83°F). While the island enjoys warm days, a refreshing minimum temperature of 26°C (79°F) offers a comfortable respite at night. This month witnesses approximately 62 mm (2.5 in) of rainfall spread across 13 days, contributing to the island's vibrant, lush scenery. With a humidity level of 79%, the air is rich and soothing, making Guanaja an inviting destination for those seeking both adventure and relaxation in a tropical paradise.
In September, Guanaja, Honduras experiences warm temperatures that reflect the tropical climate of the region. With minimums around 26°C (79°F) and a consistent average of 28°C (83°F), visitors can expect pleasant days perfect for beach lounging or exploring the lush surroundings. The peak temperatures reach about 30°C (87°F), making it the ideal time for water activities. As the month progresses, temperatures show a gradual decline compared to the hotter summer months, hinting at the arrival of fall. This trend of warm but slightly more comfortable weather sets a delightful backdrop for travelers seeking a blend of adventure and relaxation in this beautiful Caribbean paradise.
September in Guanaja, Honduras, experiences a moderate shift in precipitation, delivering around 62 mm (2.5 in) of rain over 13 days. This amount represents a slight increase compared to the drier months of April and May but serves as a precursor to the much wetter conditions that follow in October and November, where totals soar to 275 mm (10.8 in) and 261 mm (10.3 in), respectively. As the rainy season matures, September acts as a transition month, providing essential moisture that supports the lush island landscape while hinting at the heavier downpours to come. With rainfall becoming more frequent, it’s a time when the tropical paradise begins to embrace its seasonal rhythm, blending sun and showers in a harmonious dance.
In Guanaja, Honduras, September marks a shift in humidity levels, with an overall decrease to 79%, the lowest point since May. This decline follows a summer filled with higher humidity averages, peaking at 84% in June and July. The gradual drop not only signals the transition into the cooler months but also contributes to a more comfortable atmosphere as the year progresses. As October approaches, humidity continues to decrease to 78%, reflecting a consistent trend of lower moisture levels as the region moves into the fall season. This shift provides a refreshing contrast to the tropical climate that characterizes the earlier months of the year, enriching the experience for both residents and visitors alike.
September in Guanaja, Honduras, brings a consistent UV Index of 13, classified as extreme. This level signifies that sun exposure can lead to skin damage in just 10 minutes, urging residents and visitors alike to take necessary precautions. Throughout the year, the UV Index in Guanaja sees trends of high intensity from February to October, with September holding steadfast to these extreme levels. As the year turns towards October, there is a slight dip with an Index of 12, but the extreme sun intensity remains a critical factor. Whether lounging on sandy beaches or exploring the island, it’s essential to stay informed and protected against the sun's rays. For further details, check the full UV data at Guanaja UV Index.
UV Risk Categories
September in Guanaja, Honduras, is a month where sunshine continues to grace the island, with an impressive 328 hours of daylight. This places it comfortably within the peak sunshine months of the year, just below the sun-soaked heights of May and April. As summer drifts into fall, the sunshine hours slightly dip, reflecting the transition into the rainy season. However, when compared to the earlier months of the year, September still shines brightly, echoing the consistency of sunshine from July and August. The gradual decline in hours from the sultry summer peak suggests a gentle shift in the weather, yet the island remains a beacon of tropical warmth for those seeking idyllic beach days.
In September, Guanaja, Honduras, enjoys a 50% chance of sunny weather, making it a pleasant month for visitors seeking sunshine amidst the tropical atmosphere. While this percentage aligns closely with the trends observed in October and April, it marks a notable drop from the sunniest months like February and March, which boast chances over 75%. As the rainy season peaks earlier in the summer, September presents a delicate balance between scattered showers and clear skies. Travelers looking to soak up the sun will find the conditions favorable, though a little unpredictability remains, reflecting the island's characteristic charm.
In Guanaja, Honduras, September offers a delightful blend of sunlight, boasting 12 hours of daylight. This consistent duration follows a pattern observed throughout the year, where daylight hours peak during the summer months, reaching up to 13 hours in June before gradually tapering off to 11 hours by October. Interestingly, the first half of the year shows a steady increase in daylight, climbing to a maximum before maintaining a stable twelve hours from March through August and into September. As the year progresses, residents and visitors alike can enjoy these vibrant days, making September a perfect time to explore the island's natural beauty under the warm Caribbean sun.
As September rolls in, Guanaja, Honduras, experiences a gentle shift in its winds, with an average speed of 7.1 m/s (16 mph). This is a notable drop from the 8.4 m/s (19 mph) winds of April and May, reflecting a seasonal transition towards calmer breezes. Interestingly, the wind speeds have displayed a gradual decline from their peak earlier in the summer months, maintaining a softer, more alluring ambiance as autumn approaches. Following September, the winds are expected to further decrease, hitting their lowest in November at 4.3 m/s (10 mph). This pattern not only emphasizes the region's delicate climatic shifts but also sets the stage for tranquil days ahead, perfect for soaking in the serene beauty of Guanaja.
Weather in Guanaja varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Guanaja, focusing on differences in temperature, rainfall, humidity, and UV levels.
In comparing the weather between September and January, September boasts warmer temperatures with a minimum of 26°C (79°F), an average of 28°C (83°F), and a maximum of 30°C (87°F). It experiences moderate precipitation with 62 mm (2.5 inches) over 13 days and a humidity level of 79%. In contrast, January is cooler, with temperatures ranging from a minimum of 23°C (73°F) to a maximum of 28°C (83°F) and an average of 25°C (78°F). This month sees increased precipitation at 110 mm (4.3 inches) spread over 16 days and slightly higher humidity at 81%. For more detailed information, check out Guanaja weather in January.
When comparing the weather in September and February, we can see some notable differences. September experiences slightly warmer temperatures, with averages around 28°C (83°F) and maximums reaching 30°C (87°F), while February has a cooler average of 26°C (79°F) and a maximum of 29°C (84°F). Both months have considerable humidity, with September at 79% and February slightly higher at 82%. Although both months see similar precipitation levels, September receives 62 mm (2.5 in) over 13 days, compared to February's 56 mm (2.2 in) over 14 days. For more detailed insights, you can check out Guanaja weather in February.
In comparing the weather between September and March, September boasts slightly higher temperatures with averages around 28°C (83°F) and maximums reaching 30°C (87°F), whereas March is a bit cooler, averaging 26°C (79°F) with a maximum of 28°C (83°F). Both months experience considerable humidity, with September at 79% and March slightly higher at 81%. Precipitation is relatively frequent in both months; September receives about 62 mm (2.5 in) over 13 days, while March has less rainfall at 51 mm (2.0 in) spread over 11 days. For more detailed information about the weather in March, you can check Guanaja weather in March.
In comparing the weather between September and April, September tends to be warmer and more humid, with average temperatures reaching around 28°C (83°F), peaking at 30°C (87°F). The month also sees a significant amount of rainfall, totaling 62 mm (2.5 in) over approximately 13 days. In contrast, April is slightly cooler with average temperatures of 27°C (81°F) and a lower maximum of 29°C (85°F). Additionally, precipitation is significantly reduced in April, with only 29 mm (1.1 in) occurring over about 7 days. The humidity levels are quite similar, with September at 79% and April at 82%. For those interested in more specific details about the weather in April, you can check out Guanaja weather in April.
In comparing the weather of September and May, both months feature similar average temperatures, with September slightly warmer, averaging 28°C (83°F) compared to May's average of 28°C (82°F). However, September experiences significantly more precipitation, with 62 mm (2.5 in) over 13 days, while May sees just 27 mm (1.1 in) across 7 days, resulting in a notably drier climate. Humidity levels are also comparable, with September at 79% and May slightly higher at 82%. For a detailed overview of May weather, you can check Guanaja weather in May.
When comparing the weather in September and June, both months exhibit similar temperature ranges with averages around 28°C (82°F) and maximums peaking at 30°C (87°F). However, September experiences slightly higher humidity at 79%, compared to June's 84%. In terms of precipitation, September sees a higher total with 62 mm (2.5 in) falling over 13 days, while June has 52 mm (2.1 in) spread across 11 days. Thus, while both months are warm and humid, September tends to be wetter. For more detailed information, visit Guanaja weather in June.
In comparing the weather between September and July, we see some interesting nuances. September tends to be slightly warmer, with average temperatures reaching 28°C (83°F) and a maximum of 30°C (87°F). In contrast, July has similar average temperature levels but peaks at a slightly lower maximum of 29°C (85°F). Additionally, September experiences 62 mm (2.5 in) of precipitation over 13 days, while July receives more rainfall at 91 mm (3.6 in) across 19 days, making it the wetter month. The humidity levels are also noteworthy, with September at 79% and July a bit higher at 84%. For more detailed information on July weather, check out Guanaja weather in July.
In comparing the weather of September and August, we observe that both months maintain similar temperature ranges, with minimums around 26°C (79°F) and maximums peaking at 30°C (86°F for August and 87°F for September). However, September is slightly drier, receiving 62 mm (2.5 in) of precipitation over 13 days, compared to August's 80 mm (3.2 in) over 17 days. Humidity also shows a marginal decrease in September at 79%, whereas August averages 82%. For more details on August's weather conditions, you can check Guanaja weather in August.
In September, the weather is typically warm with average temperatures ranging from a minimum of 26°C (79°F) to a maximum of 30°C (87°F), accompanied by relatively high humidity at 79%. The month sees about 62 mm (2.5 in) of precipitation over 13 days. In contrast, October experiences slightly lower temperatures, with averages of 25°C (78°F) for the minimum and 30°C (86°F) for the maximum. However, rainfall increases significantly, totaling 275 mm (10.8 in) across 22 days, while humidity remains similar at 78%. For more details on the weather in Guanaja during October, you can check Guanaja weather in October.
September and November both feature warm temperatures, but November tends to be slightly cooler overall. In September, the minimum temperature averages around 26°C (79°F) with a maximum of 30°C (87°F), while in November, the average drops to a minimum of 24°C (75°F) and a maximum of 29°C (84°F). Although September sees less rainfall with 62 mm (2.5 in) over 13 days, November experiences significantly higher precipitation at 261 mm (10.3 in) over 23 days. Humidity remains relatively consistent between the two months, with September at 79% and November at 80%. For more detailed weather information, you can check Guanaja weather in November.
In comparing the weather between September and December, we see notable differences in temperature and precipitation. September boasts warmer temperatures with a minimum of 26°C (79°F), an average of 28°C (83°F), and a maximum of 30°C (87°F). In contrast, December is slightly cooler, featuring a minimum of 22°C (72°F), an average of 26°C (79°F), and a maximum of 29°C (84°F). Additionally, December experiences significantly higher rainfall, with 157 mm (6.2 in) spread over 21 days, compared to September's 62 mm (2.5 in) over 13 days. Humidity levels remain relatively similar, with September at 79% and December at 81%. For more detailed information on December weather patterns, you can refer to Guanaja weather in December.
As September unfolds on Guanaja, visitors can expect a blend of warm temperatures and increased humidity, setting it apart from other months. With an average temperature lingering around 28°C (83°F), this month features a noticeable uptick in rainfall, averaging 62 mm across 13 days, making it one of the wetter periods of the year. Despite the occasional downpour, the vibrant island landscape thrives under these conditions, offering travelers a lush and picturesque environment to explore. The high humidity level of 79% adds to the tropical feel, making it essential for visitors to stay hydrated while enjoying all the natural beauty the island has to offer. For a more in-depth look at how the weather shapes life in this paradise, check out Guanaja Climate.