Last updated: August 21, 2025
September in Mata de São João, Brazil, offers a tantalizing mix of warmth and moisture, marking the transition into spring. With maximum temperatures soaring up to 33°C (92°F) and an average of 24°C (76°F), visitors can expect balmy days perfect for outdoor exploration. The evenings, cooler at a minimum of 17°C (64°F), provide a refreshing respite. However, the season comes with its fair share of rain, bringing in 57 mm (2.3 in) of precipitation over 16 days, contributing to the region’s lush landscapes. Combining this with a humidity level of 75%, the month encapsulates the vibrant essence of tropical weather, making it ideal for those who embrace the subtropical climate and its refreshing showers.
As September rolls into Mata de São João, Brazil, the temperatures begin to signal the transition from the cooler winter months to the warmth of spring. With minimums around 17°C (64°F), average highs reaching 24°C (76°F), and maximums peaking at 33°C (92°F), the weather offers a delightful blend of comfortable warmth and occasional heat. This month stands out as the temperatures begin to climb, marking a noticeable shift from the cooler July and August. With averages inching upwards, September invites visitors to enjoy the lush beaches and vibrant landscapes of this picturesque coastal town, making it an ideal time for both exploration and relaxation before the summer heat intensifies.
September in Mata de São João brings a moderate precipitation total of 57 mm (2.3 in), making it a relatively dry month compared to the heavier rainfalls of May and March. With approximately 16 rainy days, this month strikes a balance, neither inundating the region nor leaving it parched. Following the consistently lush summer months, the slight drop in precipitation signals the onset of a gradual shift towards drier conditions as the year progresses. As October approaches, Mata de São João can expect a similar precipitation amount, hinting at a transitional phase in the climate that will pave the way for a sunnier season ahead.
September in Mata de São João, Brazil, marks a subtle shift as humidity levels dip to 75%, representing the final slide into the drier months of spring. Following a peak during the mid-year months—where March reaches a notable 86%—the trend shows a gradual decline through the latter half of the year. After a humid peak in April, the humidity slightly eases off, creating a more comfortable atmosphere as the seasons transition. This gradual decrease continues into October, where levels fall to 72% and eventually settle lower by the end of the year. The fluctuations throughout the year reflect the tropical climate's rhythm, inviting both locals and visitors to enjoy the lush landscape amidst a pleasant humidity that never quite feels oppressive.
In September, Mata de Sao Joao, Brazil, continues to bask in intense sunshine, with a UV Index of 12, categorized as extreme. This level of exposure, akin to the preceding months, means sunburn can occur in as little as 10 minutes. The region consistently showcases high UV levels throughout the year, particularly from January through April, where values peak at 14, signaling the need for sun safety precautions. As the months progress into June and July, the index slightly dips to a very high level of 9 and 10, respectively, before climbing back to extreme levels in August and September. For those enjoying the sun, it's crucial to stay vigilant and protect your skin. Stay informed about the UV conditions by checking the latest updates at Mata de Sao Joao UV Index.
UV Risk Categories
As September graces Mata de São João, Brazil, its residents bask in an impressive 329 hours of sunshine, marking a delightful transition into spring. This warm month continues the upward trend seen through the late winter and summer months, with sunshine hours consistently rising from the cooler days of June. Following August's notable 326 hours, September's sunny disposition hints at the approaching peak hours of sunlight, culminating in an inviting October that boasts 349 hours. Such a vibrant growth in sunshine not only enhances the region's natural beauty but also invites locals and tourists alike to indulge in outdoor adventures and the region's famed beaches. With daylight hours increasing steadily, the allure of Mata de São João shines brighter than ever.
In September, Mata de Sao Joao sees a notable increase in sunny weather, with a 55% chance of sunshine, making it one of the brighter months of the year. This uplift follows the generally lower probabilities of sun in the mid-year months, such as July at 35% and August at 47%. Interestingly, September's figures position it favorably against the neighboring weeks of October, which drops slightly to a 46% chance of sun, and November, where the likelihood falls even further to 30%. As the region transitions from the drier winter months to the more vibrant spring, visitors can look forward to an inviting blend of warm weather and abundant sunshine, perfect for outdoor activities and enjoying the natural beauty of this Brazilian gem.
In Mata de São João, Brazil, the arrival of September brings a return to 12 hours of daylight, a refreshing shift following the consistent 11 hours that defined the previous months. As the seasons transition, daylight duration remains a steady backdrop, with the city enjoying an abundant supply of sunlight from January through March and once again in October through December. This rhythm underscores a fascinating trend in the region's climate, where the peak daylight hours oscillate between 11 and 12 hours, creating a harmonious balance that residents and visitors alike can relish. The gradual lengthening of days in September signals a vibrant shift in nature, inviting all to embrace the changing landscape and its sunny embrace.
As September arrives in Mata de São João, Brazil, the average wind speed settles at a gentle 2.4 m/s (5 mph), maintaining the comforting breeze typical of the region during this time of year. This month mirrors the varied wind patterns of the preceding summer, where speeds have danced between 2.0 m/s and 2.5 m/s since April. Notably, the wind picks up slightly in August, peaking at 2.5 m/s, and then holds steady into September, providing a transitional flow as the seasons change. The consistency of these breezes, remaining mostly between 2.1 m/s and 2.5 m/s throughout the latter half of the year, suggests a comforting continuity in the landscape, inviting locals and visitors alike to enjoy the area's natural beauty.
Weather in Mata de Sao Joao varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Mata de Sao Joao, focusing on differences in temperature, rainfall, humidity, and UV levels.
In comparing the weather of September and January, September tends to be slightly cooler, with average temperatures ranging from a minimum of 17°C (64°F) to a maximum of 33°C (92°F), while January boasts warmer averages, with a minimum of 20°C (68°F) and a peak of 36°C (97°F). Although September experiences more precipitation, with 57 mm (2.3 in) over 16 days, January is only marginally drier, accumulating 51 mm (2.0 in) over just 11 days. Humidity levels remain quite similar in both months, with September at 75% and January slightly higher at 76%. For more detailed insights on January weather, you can check Mata de Sao Joao weather in January.
September and February in Mata de Sao Joao present distinct weather patterns. September typically features a more moderate range in temperatures, with a minimum of 17°C (64°F) and a maximum of 33°C (92°F), leading to an average of 24°C (76°F). In contrast, February is noticeably warmer, boasting a minimum temperature of 21°C (70°F) and reaching as high as 39°C (102°F), giving it an average of 28°C (82°F). Both months experience significant humidity, with February slightly higher at 81% compared to September's 75%. While September averages 57 mm (2.3 in) of rainfall over 16 days, February receives a bit more precipitation at 67 mm (2.6 in) across 12 days. For more detailed insights about February weather, visit Mata de Sao Joao weather in February.
In comparing the weather between September and March, September offers a milder temperature range with minimums around 17°C (64°F) and maximums reaching 33°C (92°F). The average temperature sits at a pleasant 24°C (76°F), with humidity levels at 75% and moderate precipitation of 57 mm (2.3 in) over 16 days. In contrast, March sees higher temperatures, with minimums starting at 20°C (68°F) and maximums soaring to 39°C (102°F). The average temperature climbs to 27°C (81°F), while the humidity increases to 86%. March experiences significantly more rainfall, totaling 151 mm (5.9 in) across the same number of days. For more detailed insights, you can check Mata de Sao Joao weather in March.
When comparing the weather of September and April, notable differences emerge in temperature and precipitation. In September, the average temperature ranges from a minimum of 17°C (64°F) to a maximum of 33°C (92°F), with an average humidity of 75% and about 57 mm (2.3 inches) of rainfall over 16 days. In contrast, April tends to be warmer, with temperatures starting at a minimum of 20°C (68°F) and reaching up to 36°C (97°F), accompanied by higher humidity at 87%. The month sees significantly more rainfall, totaling 141 mm (5.6 inches) over 22 days. For more details on the specific weather conditions during this time, check out Mata de Sao Joao weather in April.
When comparing the weather in September and May, both months display warm temperatures, with September experiencing an average of 24°C (76°F) and May slightly warmer at 25°C (77°F). Both months have similar maximum temperatures reaching around 33°C (91°F to 92°F), but May tends to be wetter, with an average precipitation of 152 mm (6.0 in) over 24 days, compared to September's 57 mm (2.3 in) over 16 days. Additionally, humidity levels are higher in May at 86%, versus 75% in September, making May feel more muggy overall. For a detailed overview of May weather specifics, visit Mata de Sao Joao weather in May.
In September, the weather is generally warm with temperatures ranging from a minimum of 17°C (64°F) to a maximum of 33°C (92°F), averaging around 24°C (76°F). This month experiences less precipitation than June, totaling 57 mm (2.3 in) over about 16 rainy days, and has a humidity level of 75%. In contrast, June features slightly higher minimum temperatures at 18°C (65°F) and a maximum of 31°C (87°F), maintaining the same average of 24°C (75°F). However, June is characterized by significantly higher precipitation at 130 mm (5.1 in) spread across 25 rainy days, along with higher humidity at 84%. For more information on June weather, you can check Mata de Sao Joao weather in June.
In comparing the weather of September and July, we can observe some notable differences. September tends to be slightly warmer, with average temperatures reaching 24°C (76°F) compared to July’s average of 23°C (74°F). Both months experience similar minimum temperatures, but September has a higher maximum temperature, averaging 33°C (92°F) versus July’s 31°C (87°F). Precipitation is also different; September receives 57 mm (2.3 in) of rain over about 16 days, while July has a heavier rainfall total of 91 mm (3.6 in) spread across 23 days. Humidity levels are elevated in both months, with September at 75% and July slightly higher at 80%. For a more detailed look at July weather patterns, check out Mata de Sao Joao weather in July.
In comparing the weather of September to August, both months exhibit a similar range of temperatures, though September tends to be a bit warmer on average, with temperatures peaking at 33°C (92°F) compared to August's maximum of 33°C (91°F). The minimum temperatures also remain consistent, starting at 17°C (64°F) in September and 17°C (63°F) in August. Precipitation levels decrease slightly from August to September, with 66 mm (2.6 in) in August compared to 57 mm (2.3 in) in September, accompanied by fewer rainy days in September (16 days compared to 19 in August). Humidity remains fairly high in both months, hovering around 75% in September and 77% in August. For a detailed look at the weather conditions, you can check Mata de Sao Joao weather in August.
In September, temperatures range from a minimum of 17°C (64°F) to a maximum of 33°C (92°F), with an average of 24°C (76°F). The month experiences 57 mm (2.3 in) of precipitation over 16 days, contributing to a humidity level of 75%. In contrast, October sees a slight increase in temperature, with minimums at 19°C (66°F) and maximums reaching up to 36°C (97°F), averaging 26°C (79°F). Despite the same total precipitation of 57 mm (2.3 in), rainfall occurs over fewer days, just 10, resulting in a lower humidity level of 72%. For more detailed insights, you can check Mata de Sao Joao weather in October.
In comparing the weather of September and November, we observe notable changes in temperature and precipitation. September typically features temperatures ranging from a minimum of 17°C (64°F) to a maximum of 33°C (92°F), with an average of 24°C (76°F), while November sees slightly warmer temperatures, with minimums of 20°C (68°F) and maximums reaching up to 37°C (99°F), averaging 26°C (80°F). Additionally, November experiences increased rainfall, totaling about 105 mm (4.1 in) over 14 days, compared to September's 57 mm (2.3 in) across 16 rainy days. Humidity remains relatively similar, with September at 75% and November slightly lower at 71%. For more detailed insights on November weather, you can visit Mata de Sao Joao weather in November.
When comparing the weather in September and December, we see some notable differences. September features a temperature range from a minimum of 17°C (64°F) to a maximum of 33°C (92°F), with an average temperature of 24°C (76°F) and 57 mm (2.3 inches) of precipitation over 16 days. In contrast, December boasts warmer temperatures, with a minimum of 20°C (69°F), an average of 27°C (80°F), and a peak of 36°C (98°F). While December experiences slightly higher precipitation at 83 mm (3.3 inches) across 13 days, it also has a lower humidity of 70%. For more details about this month's weather, visit Mata de Sao Joao weather in December.
As September arrives in Mata de Sao Joao, the weather begins to shift, offering a blend of mild warmth and moisture. This month typically features higher temperatures than the preceding winter months, creating a more comfortable environment for outdoor activities. Despite this warmth, September brings an increase in precipitation, with frequent rain showers that contribute to the lush landscape the region is known for. The humidity remains elevated, often adding a tropical feel to the atmosphere. For those looking to explore during this transitional period, it’s wise to be prepared for both sun and rain. To learn more about the nuances of September and other seasons in this beautiful locale, check out Mata de Sao Joao Climate.