Last updated: August 21, 2025
In September, Bonito, Brazil, experiences a remarkable blend of warmth and refreshing breezes. With maximum temperatures soaring to 39°C (102°F) and an average of 25°C (77°F), the weather is perfect for outdoor adventures. While it can dip to a cool 9°C (48°F) at night, the relatively low humidity of 36% brings a comfortable feel to the warm days. Visitors can expect some rainfall, with a total precipitation of 60 mm (2.4 in) over seven days, making it wise to keep an eye on the sky. Whether exploring lush landscapes or diving into crystal-clear waters, September in Bonito promises an invigorating experience amidst nature’s splendor.
In September, Bonito, Brazil, begins to shake off the cooler remnants of winter, as temperatures start to rise again. The month marks a transition, with minimum temperatures reaching around 9°C (48°F) and averaging a comfortable 25°C (77°F). As the days progress, the heat intensifies, peaking at a striking 39°C (102°F), inviting both locals and tourists to bask in the near-scorching sun. This notable increase from the preceding months reflects a broader trend towards warmer temperatures, setting the stage for the vibrant energy of spring. With such a significant swing, September is perfect for outdoor adventures, allowing visitors to fully immerse themselves in Bonito's breathtaking natural beauty.
In September, Bonito, Brazil experiences a modest decline in precipitation, receiving 60 mm (2.4 in) over 7 days. This marks a notable decrease compared to the heavier rainfall earlier in the year, particularly from January through March, where amounts exceeded 130 mm. The transition into the drier months becomes evident as July recorded only a mere 12 mm (0.5 in), the lowest of the year. While August saw a slight uptick to 88 mm, it remains clear that September is part of a trend toward reduced rainfall before the wetter months return in October and November. This cyclical pattern highlights Bonito's unique climate, where the dry spell is typically followed by a resurgence of rain, enriching the region’s lush landscapes.
In September, Bonito, Brazil, experiences a significant dip in humidity, dropping to a comfortable 36%. This marks the lowest level of the year, following a gradual decline from the humid days of winter. The trend from the higher humidity levels of January through August showcases a clear transition into the drier months, providing residents and visitors with a reprieve from the sweltering moisture that typically characterizes the region. As the landscape shifts into the welcoming warmth of spring, the lower humidity not only enhances outdoor activities but also makes September an ideal time to explore Bonito's stunning natural beauty. The increase in humidity resumes in October, reminding us of the varied climate that Bonito offers throughout the year.
In September, Bonito, Brazil experiences a UV Index of 11, categorizing the exposure as extreme. This marks a slight dip from the peak summer months of January and February, which both hold a staggering UV Index of 15. Interestingly, as the year progresses from the intense summer sun, the UV levels begin to moderate slightly—April sees a drop to 12, while May and June introduce a shift to a very high and high category, respectively. However, September’s UV Index reverts back to extreme levels, demanding vigilance as burn time remains concise at just 10 minutes. This trajectory is indicative of Bonito's consistently high UV exposure, underscoring the importance of sun protection year-round. For more detailed insights, consider exploring the Bonito UV Index.
UV Risk Categories
In Bonito, Brazil, September ushers in a delightful taste of sunshine with 301 hours of bright daylight, making it one of the sunniest months of the year. This period marks a remarkable transition as the days gradually lengthen following the slightly cooler winter months. With the sun's warm embrace, September not only outshines June's 264 hours but also offers a enticing preview of October, which boasts an impressive 311 hours. The increasing sunlight serves as a perfect backdrop for exploring Bonito's natural wonders, enhancing the vibrant colors of its lush landscapes and crystal-clear waters. As the year progresses, the trend of growing sunlight hours reminds us of the region's picturesque allure, inviting visitors to bask in its warmth and beauty.
In Bonito, Brazil, September marks a delightful shift in the weather patterns, with a 60% chance of sunny days. This month sits comfortably between the drier months of the earlier part of the year and the rainier ones that follow. With the likelihood of sunshine still robust after the peak summer months, September offers a promising escape for travelers seeking outdoors adventures. Notably, it follows the sun-drenched July and August, which boast impressive chances of 75% and 73%, respectively. As the year progresses, the likelihood of clear skies dims, dropping to 47% in October and further to 32% in November. Thus, September presents an ideal window for experiencing Bonito’s stunning landscapes before the clouds gather again.
As September rolls in Bonito, Brazil, daylight lingers for approximately 11 hours, maintaining the trend of a gradual transition we've observed since the peak brightness of January. Following a summer sun that stretches its rays for 13 hours at the start of the year, daylight begins to wane through the cooler months, hitting a low of 10 hours in June and July. However, as we move into September, the daylight duration stabilizes, reflecting the region's impressive ability to balance light and warmth. This 11-hour day is a harmonious bridge between the shorter days of winter and the longer sunshine that awaits in October and beyond, inviting residents and visitors alike to enjoy the vibrant outdoor experiences that Bonito has to offer.
As September arrives in Bonito, Brazil, the average wind speed reaches 2.9 m/s (6 mph), consistent with the breezy conditions that characterize the late winter and early spring transition. This marks a peak in wind speeds for the year, following a gradual increase from the milder breezes of January through August. The wind begins to ease into October with a slight drop to 2.6 m/s (6 mph), hinting at the onset of warmer months. The steady rise in wind speeds through the winter months suggests a lively atmosphere, inviting both adventure seekers and nature enthusiasts to enjoy the enchanting landscapes of Bonito as the winds carry whispers of change.
Weather in Bonito varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Bonito, focusing on differences in temperature, rainfall, humidity, and UV levels.
In September, the weather features a wide temperature range with minimums reaching 9°C (48°F) and maximums soaring to 39°C (102°F), while the average temperature sits comfortably at 25°C (77°F). The month sees relatively low precipitation at 60 mm (2.4 in) over about 7 days, accompanied by a humidity level of 36%.
In contrast, January presents much warmer conditions, with minimum temperatures starting at 18°C (65°F) and maximums reaching 37°C (99°F), resulting in a similar average temperature of 26°C (79°F). However, January is significantly wetter, recording 183 mm (7.2 in) of rainfall spread across 18 days and experiencing much higher humidity levels at 87%. For more detailed insights into January's weather, visit Bonito weather in January.
When comparing the weather in September and February, notable differences emerge. September typically features a temperature range from a cool 9°C (48°F) at night to a hot 39°C (102°F) during the day, with an average of 25°C (77°F). The month sees relatively low humidity at 36% and around 60 mm (2.4 in) of precipitation spread over 7 days. In contrast, February offers a milder temperature range, with minimums of 17°C (64°F) and maximums reaching 36°C (97°F), averaging at 26°C (79°F). This month is characterized by much higher humidity at 84% and significantly more rainfall, totaling 190 mm (7.5 in) across 18 days. For more detailed insights about February weather, you can check Bonito weather in February.
In comparing the weather of September and March, there are notable differences in temperature and precipitation. September experiences a wider temperature range, with minimums dropping to 9°C (48°F) and maximums soaring up to 39°C (102°F), while March has milder minimums of 16°C (61°F) and maximums reaching 35°C (96°F). Additionally, September is relatively drier with only 60 mm (2.4 in) of precipitation over 7 days, compared to March, which sees significantly more rainfall at 136 mm (5.4 in) across 16 days. The humidity levels also reflect this contrast, with September sitting at 36%, while March is much more humid at 85%. For more detailed insights, you can check this link: Bonito weather in March.
When comparing the weather in September and April, we see distinct differences in temperature and precipitation patterns. September boasts a wider temperature range, with minimums of 9°C (48°F) and maximums reaching up to 39°C (102°F), while April temperatures are milder, ranging from a minimum of 10°C (51°F) to a maximum of 34°C (93°F). Additionally, September experiences lower humidity at 36%, in contrast to April's high humidity level of 82%. Precipitation is also more pronounced in April, with 105 mm (4.1 in) over 9 days, compared to 60 mm (2.4 in) over 7 days in September. For more insight into April's weather, check out Bonito weather in April.
In comparing September and May weather, September showcases a broader temperature range with minimums reaching 9°C (48°F) and maximums soaring up to 39°C (102°F), averaging around 25°C (77°F). The month sees relatively low precipitation, totaling 60 mm (2.4 in) over approximately 7 days, with a humidity level of 36%. In contrast, May experiences cooler temperatures, with a minimum of 5°C (41°F) and a maximum of 32°C (91°F), averaging 21°C (70°F). This month is notably wetter, receiving 91 mm (3.6 in) of rainfall across 8 days and higher humidity at 74%. For a more detailed view of May weather, you can check Bonito weather in May.
September and June showcase distinct weather patterns, reflecting the transition from winter to spring and early summer in some regions. In September, temperatures range from a minimum of 9°C (48°F) to a sizzling maximum of 39°C (102°F), with an average of 25°C (77°F). This month sees relatively low humidity at 36% and a total precipitation of 60 mm (2.4 in) over about 7 days. In contrast, June is cooler, with temperatures ranging from 3°C (39°F) as the minimum to a maximum of 32°C (89°F), averaging 20°C (68°F). The humidity is notably higher at 60%, accompanied by a similar level of rainfall at 65 mm (2.6 in) over 7 days. For a specific look at June weather in Bonito, visit Bonito weather in June.
In comparison, September showcases a wider temperature range with a minimum of 9°C (48°F), an average of 25°C (77°F), and a maximum soaring to 39°C (102°F), indicating the onset of warmer weather. The month also experiences more frequent rainfall, totaling 60 mm (2.4 in) over approximately 7 days, paired with lower humidity at 36%. In contrast, July presents a cooler climate, with temperatures ranging from a minimum of 2°C (36°F) to a maximum of 32°C (90°F) and a much lighter precipitation of just 12 mm (0.5 in) over 2 days, alongside higher humidity levels at 50%. For a detailed look at July weather in Bonito, visit Bonito weather in July.
September's weather showcases a significant increase in temperatures compared to August, with a minimum of 9°C (48°F) and an average high reaching 39°C (102°F). In contrast, August offers cooler temperatures, ranging from a minimum of 4°C (40°F) to a maximum of 36°C (97°F). While September experiences slightly more precipitation at 60 mm (2.4 in) over 7 days, August sees a higher total of 88 mm (3.5 in) but across only 5 days. Humidity levels remain fairly consistent between the two months, with September at 36% and August slightly higher at 37%. For more detailed insights about August weather, you can visit Bonito weather in August.
In September, the weather features a wide range of temperatures with a minimum of 9°C (48°F) and an average of 25°C (77°F), while it can peak at a scorching 39°C (102°F). The month sees approximately 60 mm (2.4 in) of rainfall over about 7 days, with humidity levels around 36%. In contrast, October brings slightly warmer temperatures, with a minimum of 12°C (54°F) and an average of 26°C (78°F), maintaining the same maximum of 39°C (102°F). However, it experiences a significant increase in rainfall, totaling 144 mm (5.7 in) across about 15 days, along with a modest rise in humidity to 39%. For detailed insights on the weather conditions, check out Bonito weather in October.
In September, temperatures typically range from a minimum of 9°C (48°F) to a maximum of 39°C (102°F), with an average temperature of 25°C (77°F). The month experiences relatively low humidity at 36% and receives about 60 mm (2.4 in) of precipitation over approximately 7 days.
In contrast, November sees a slightly warmer average temperature of 26°C (79°F), with minimums of 16°C (61°F) and similar maximums reaching up to 39°C (102°F). However, November is characterized by significantly higher humidity at 71% and much greater precipitation of 168 mm (6.6 in) over 15 days. For more detailed information, you can check out Bonito weather in November.
September and December present distinct contrasts in weather patterns. September typically boasts warmer days, with average temperatures around 25°C (77°F) and maximums soaring to 39°C (102°F). However, it also experiences relatively low humidity at 36% and a modest amount of rain, with only 60 mm (2.4 in) over about 7 days. In comparison, December features slightly cooler average temperatures of 26°C (79°F) and maximums reaching 35°C (95°F), but it is marked by significant increases in humidity at 85% and substantial rainfall of 228 mm (9.0 in) across 17 days. For those interested in a detailed overview, check out Bonito weather in December.
As September unfolds in Bonito, the transition into spring brings about a noticeable shift in weather patterns. The days bask in warmth, with an average temperature that starts to rise, making it more pleasant compared to the cooler winter months. While maximum temperatures can soar, the evenings cool down refreshingly, offering a delightful balance. Additionally, with about a week of rainfall, this month typically experiences less precipitation than many of the subsequent months, ensuring ample opportunities for outdoor adventures. The low humidity adds to the comfort, making September an ideal time to explore the stunning natural beauty of the region. For more on what to expect throughout the year, check out Bonito Climate.