Last updated: August 21, 2025
In Placencia, Belize, September showcases a warm climate with average temperatures hovering around 28°C (83°F), peaking at a maximum of 30°C (87°F) and dipping to a comfortable minimum of 25°C (78°F). This month is characterized by high humidity levels of 82%, contributing to a muggy atmosphere. However, travelers should prepare for significant rainfall, as 282 mm (11.1 in) of precipitation falls over approximately 27 days, making it one of the wetter months. Despite the showers, September offers a unique experience in this tropical paradise, with lush landscapes and vibrant marine life.
In September, Placencia, Belize, enjoys consistently warm temperatures, characterized by a minimum of 25°C (78°F) and a comfortable average of 28°C (83°F). As the peak of summer lingers, daytime highs reach around 30°C (87°F), mirroring the warmth of the preceding months. This slight consistency in temperature reflects a stable tropical climate, making September an enticing time for sun-seekers and adventure enthusiasts alike. Overall, it’s a time when nature thrives, and the balmy days invite visitors to explore the stunning coastal beauty and vibrant local culture.
In September, Placencia, Belize, experiences a notable transition in its rainfall patterns, with 282 mm (11.1 in) of precipitation spread over 27 days. This marks a slight decrease from the August peak of 339 mm (13.3 in), yet it remains significantly high compared to earlier months. The month’s wet conditions reflect the tail end of the rainy season, as it paves the way for October, which typically sees a peak in rainfall at 417 mm (16.4 in). Comparing September to previous months, the consistent rainfall underscores a pronounced trend toward wetter conditions during the latter part of the year, emphasizing Belize's tropical climate and its associated seasonal downpours.
As summer transitions into fall, September in Placencia, Belize experiences a notable humidity of 82%, marking a shift from the drier months earlier in the year. This increase is part of a larger trend, as humidity levels peaked slightly in the late summer, rising from 66% in July to 73% in August. Following September, the humidity climbs even higher, reaching 86% in October and remaining elevated through December. Interestingly, the year begins with the highest humidity levels of 85% in January, gradually tapering off until April, before gradually climbing again. Overall, September serves as a bridge between the relative dryness of spring and the dampness of fall, emphasizing the tropical climate's characteristic ebb and flow.
In September, Placencia continues to bask in its tropical sun with a UV Index of 13, maintaining an extreme exposure category. This consistent level of intensity mirrors the months of June, July, and August, reinforcing the trend of high UV values throughout the summer and early fall. Despite a small dip from August's high of 14, the danger of sunburn persists, requiring a vigilant approach with a burn time of only 10 minutes for unprotected skin. As the year progresses towards October, a slight decrease in UV levels is expected, yet the strong rays make it essential for visitors and locals alike to stay protected during these sun-drenched days. For more detailed information, check out the Placencia UV Index.
UV Risk Categories
As September unfolds in Placencia, Belize, residents and visitors alike bask in an impressive 306 hours of sunshine, making it one of the year’s brightest months. This vibrant slice of tropical paradise sits comfortably between the peak sunshine months of March and May, which boast 320 and 324 hours respectively. Throughout the year, there’s a noticeable trend of abundant sunshine, especially during the spring and summer months, with hours consistently remaining above 290 hours from May through October. September's warm and glowing days invite beachgoers to enjoy the tranquil waters, all while providing a gentle transition into the slightly cooler months ahead. With such a rich offering of sunshine, it's no wonder Placencia is often celebrated as a sun lover’s dream!
In Placencia, Belize, September offers a moderate 38% chance of sunny weather, marking a decline in sunshine compared to the vibrant months of February and March, which boast probabilities around 67% and 68%, respectively. As the rainy season approaches, the likelihood of clear skies dips further, falling below the yearly average. This trend continues through the early fall, with July and August presenting even lower chances of sunshine at 31% and 35%. However, the sun does make its appearance intermittently, providing opportunities to enjoy the stunning beaches and lush landscapes before the drier months return in October.
In September, the picturesque town of Placencia, Belize, enjoys a generous 12 hours of daylight, continuing a trend of consistent daylight durations seen throughout the year. Following the summer months, where June boasted the longest days at 13 hours, daylight gradually tapers off but remains stable, offering plenty of sunshine for beachgoers and nature lovers alike. This balance of light allows visitors to soak in the vibrant atmosphere, whether swimming in the crystal-clear waters or exploring the lush landscapes. As the year transitions to October, daylight dwindles slightly, but September stands as a perfect bridge between the longer days of summer and the shorter, cozy days of fall.
As summer gives way to autumn, September in Placencia, Belize, brings a gentle decline in wind speed, averaging 4.4 m/s (10 mph). This marks the lowest wind speed of the year, as the vibrant breezes of the previous months, peaking at 6.5 m/s (14 mph) in May, begin to fade. In contrast, the winds pick up again in October, with a further drop to an average of 3.8 m/s (8 mph). This seasonal shift creates a serene atmosphere, perfect for relaxation or enjoying the stunning coastal views, as the beaches embrace the softer breezes while preparing for the slightly brisker months ahead.
Weather in Placencia varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Placencia, focusing on differences in temperature, rainfall, humidity, and UV levels.
In September, the weather tends to be quite warm, with temperatures ranging from a minimum of 25°C (78°F) to a maximum of 30°C (87°F), leading to an average temperature of 28°C (83°F). This month also sees significant rainfall, averaging 282 mm (11.1 in) over 27 days, and a high humidity level of 82%. In contrast, January experiences slightly cooler temperatures, ranging from a low of 20°C (69°F) to a high of 28°C (83°F) and averaging 25°C (77°F). Rainfall is considerably less in January, with 128 mm (5.0 in) spread over 17 days and slightly higher humidity at 85%. For more detailed information about January weather, you can refer to Placencia weather in January.
When comparing the weather in September and February, notable differences emerge. September tends to be warmer, with average temperatures around 28°C (83°F) and a minimum of 25°C (78°F), while February sees slightly cooler averages of 26°C (78°F) and a minimum of 21°C (70°F). Additionally, September experiences significantly more rainfall, with 282 mm (11.1 in) over 27 days, compared to February's 71 mm (2.8 in) across 19 days. Humidity levels are also slightly higher in September at 82%, contrasted with 78% in February. For a detailed overview of the February weather specifically, you can visit Placencia weather in February.
In September, the weather is notably warmer with average temperatures ranging from a minimum of 25°C (78°F) to a maximum of 30°C (87°F), accompanied by high humidity of 82%. This month also sees significant rainfall, with 282 mm (11.1 in) spread over 27 days. In contrast, March offers a slightly cooler climate, with temperatures peaking at an average of 26°C (79°F) and maximums around 28°C (82°F). March experiences much lower precipitation at 94 mm (3.7 in) over just 19 days and a more comfortable humidity level of 67%. For a more detailed look at the weather during March, you can check Placencia weather in March.
In comparing the weather conditions of September and April, September experiences warmer temperatures, with minimums averaging around 25°C (78°F) and maximums reaching 30°C (87°F). In contrast, April is slightly cooler, offering minimums of 23°C (73°F) and similar maximums at 30°C (85°F). However, September is characterized by significantly higher precipitation, totaling 282 mm (11.1 in) over 27 days, compared to April's much lighter rainfall of 64 mm (2.5 in) across 15 days. The humidity levels also reflect this difference, with September experiencing a high humidity of 82%, while April is drier at 62%. For more detailed information about April weather, you can visit Placencia weather in April.
September and May exhibit similar average temperatures, with both months showing an average of around 28°C (82°F). However, September is notably wetter, receiving 282 mm (11.1 in) of precipitation over 27 days, compared to May's 154 mm (6.0 in) over just 24 days. Additionally, September is characterized by a higher humidity level of 82%, contrasted with May's more comfortable 62%. This makes May generally more pleasant for outdoor activities and travel. For a closer look at the weather specifics during May, check out Placencia weather in May.
In both September and June, temperatures fluctuate within a similar range, with minimums at 25°C (78°F), averages around 28°C (83°F), and maximums peaking at 30°C (87°F). However, September experiences significantly higher humidity levels at 82%, while June maintains a more comfortable 63% humidity. Precipitation is another distinguishing factor, with September receiving 282 mm (11.1 in) over 27 days, compared to June's 332 mm (13.1 in) over 28 days. For a more detailed look at June’s weather patterns, check out Placencia weather in June.
In comparing the weather between September and July, both months exhibit similar temperature ranges, with minimums around 25°C (77°F), average temperatures at 28°C (82°F), and maximums reaching 30°C (85°F-87°F). However, September tends to be slightly wetter, recording 282 mm of precipitation over 27 days, compared to July's 301 mm spread over 28 days. Additionally, September experiences higher humidity levels at 82%, in contrast to July's more comfortable 66%. For more detailed insights, you can refer to Placencia weather in July.
In comparing the weather between August and September, both months share similar temperature ranges with minimums at 25°C (78°F), average temperatures of 28°C (82°F in August and 83°F in September), and maximums peaking at 30°C (87°F). However, September sees a slight decrease in precipitation, totaling 282 mm (11.1 in) over 27 days, compared to August's 339 mm (13.3 in) spread across 28 days. Notably, September experiences higher humidity levels at 82%, while August's humidity is lower at 73%. For more details on the weather in August, you can check Placencia weather in August.
In comparing the weather patterns of September and October, several notable differences stand out. September typically enjoys slightly higher average temperatures, with minimums around 25°C (78°F) and maximums reaching 30°C (87°F). However, it also faces considerable rainfall, accumulating 282 mm (11.1 in) over 27 days, accompanied by a humidity level of 82%.
In contrast, October shows a marginal drop in average temperature, peaking at 31°C (88°F) while maintaining a minimum of around 24°C (75°F). Nevertheless, October sees an increase in precipitation, reaching 417 mm (16.4 in) over 25 days and a rise in humidity to 86%. This shift highlights a pattern of continued warmth in October, albeit with increased rainfall. For more detailed insights, you can check Placencia weather in October.
In September, the weather typically features warmer temperatures with a minimum of 25°C (78°F) and an average high of 30°C (87°F). The month experiences significant rainfall, with 282 mm (11.1 in) of precipitation spread over 27 days, coupled with a humidity level of 82%. In contrast, November sees slightly cooler temperatures, ranging from a minimum of 23°C (73°F) to an average of 26°C (79°F), but it has higher rainfall at 316 mm (12.5 in) across 24 days and increased humidity at 87%. For more details on the weather in November, check out Placencia weather in November.
In September, temperatures are notably higher, with minimums around 25°C (78°F) and maximums reaching up to 30°C (87°F), whereas December sees milder averages with minimums of 21°C (70°F) and maximums of 28°C (83°F). September is also characterized by significantly higher precipitation, totaling 282 mm (11.1 in) over 27 days, compared to December's 140 mm (5.5 in) over just 22 days. Humidity remains high in both months, with December peaking at 87% compared to September's 82%. For more details on the weather in December, check out Placencia weather in December.
In September, Placencia experiences a notable shift in weather patterns, characterized by higher humidity and increased rainfall compared to other months. With an average temperature comfortably resting around 28°C, visitors can expect warm days, though the frequent precipitation—often manifesting as afternoon showers—can add a tropical flair to the atmosphere. This month typically sees a lush landscape as the rain nourishes local flora, making it an ideal time for those seeking to immerse themselves in nature's beauty. For a deeper insight into the weather trends throughout the year, explore the in-depth resource at Placencia Climate.