Last updated: August 21, 2025
September in Mangaratiba, Brazil brings a delightful mix of warm temperatures and bustling tropical charm. With maximum temperatures reaching up to 34°C (93°F) and an average of 22°C (72°F), visitors can expect pleasantly warm days. However, the minimum temperature dips to a cool 16°C (61°F), especially in the evenings. This month also sees 78 mm (3.1 in) of precipitation over 11 days, contributing to the lush scenery characteristic of this coastal paradise. The humidity level of 68% enhances the tropical feel, making it a prime time for exploring the natural beauty and vibrant culture of the region.
In September, Mangaratiba transitions into a delightful spring-like warmth, with temperatures ranging from a minimum of 16°C (61°F) to a maximum of 34°C (93°F). The average temperature hovers around 22°C (72°F), offering a pleasant balance for outdoor activities. This month marks a notable increase in warmth compared to the cooler winter months, making it an ideal time to explore the region's stunning beaches and lush landscapes. As the days grow longer and more inviting, September showcases the vibrant beauty of Mangaratiba in a climate that encourages adventure and relaxation alike.
In September, Mangaratiba experiences a moderate dip in precipitation, receiving 78 mm (3.1 in) of rain over 11 days. This marks a transition from the heavier downpours of the earlier months, where January and February showcase their peak wetness. The rainfall begins to wind down as the region approaches the drier months, with April to July notably having much lower totals. Despite this decrease, September remains part of the broader trend of consistently wet conditions that define the region, with the rainy season gradually tapering off as the year progresses toward the drier October and November. This rhythm in rainfall not only signifies the changing seasons but also sets the stage for the lush landscapes Mangaratiba is known for, as nature revitalizes itself in the lead-up to the summer months.
As September rolls into Mangaratiba, Brazil, the air begins to feel noticeably drier, with humidity dipping to 68%. This marks a significant decline from the earlier months, where humidity consistently hovered above 80%. The trend showcases a gradual decrease as the year progresses, from a humid January and February at 85%, tapering off to a more comfortable level by September. This decline continues into October, where humidity is expected to reach its annual low of 61%. Overall, the shift in humidity levels reflects a transition towards the drier months, creating a refreshing change in the coastal atmosphere of Mangaratiba.
In September, Mangaratiba experiences a notable shift in UV exposure, with a UV Index of 11, categorized as extreme, resulting in a quick burn time of just 10 minutes. This month's UV levels are consistent with the high values observed earlier in the year, particularly from January through April, where the Index peaked at 15. Interestingly, as the year progresses, UV Indexes fluctuate, dipping to more moderate levels in May and June before rising again. September serves as a reminder that even as winter gives way to spring, it's crucial to prioritize sun safety. For a comprehensive overview and detailed information, you can visit Mangaratiba UV Index.
UV Risk Categories
September brings a delightful tapestry of sunlight to Mangaratiba, Brazil, offering 284 hours of radiant bliss. This marks a slight decline from the 288 hours basked in during the sun-drenched month of July but remains consistently high, showcasing the region's enviable climate. As the seasons shift towards spring, September’s generous sunshine hours echo the lively hues of earlier months, especially the vibrant 292 hours of March. With a steady trend of sunshine dominating the year, September is a perfect time to revel in Mangaratiba’s natural beauty, inviting locals and tourists alike to enjoy the sun-soaked splendor before the cooler months approach.
In Mangaratiba, Brazil, the likelihood of sunny weather sees a noticeable peak during the middle of the year, with July and August boasting a robust 58% chance of sunshine. September, however, presents a slight decline to 45%, indicating a transition toward the cloudier months. This seasonal trend suggests that while the chances of sun in September remain favorable compared to many other months, it marks the start of a shift as the region heads into the wetter season. As the year progresses into October, the probability drops steeply to only 18%, underscoring the importance of embracing late winter sunshine before the rain-laden months set in.
In Mangaratiba, Brazil, the facade of daylight fluctuates beautifully throughout the year, presenting a captivating rhythm of light. As January revels in a generous 13 hours of daylight, the sun gradually begins its descent into shorter days, reaching a low of 10 hours between May and July. However, the transition into September marks a subtle resurgence, with the duration of daylight stabilizing at 11 hours, similar to August. This slight increase signals the approach of spring, as daylight hours begin to lengthen once more, offering a warm invitation to nature's awakening. As the year progresses, continued growth in sunlight brings a sense of renewal, culminating in a bright 13 hours by December, as Mangaratiba bids farewell to the year in radiant style.
As September rolls around in Mangaratiba, Brazil, the winds begin to pick up, matching the gusty rhythms of late summer. With an average wind speed of 3.1 m/s (7 mph), September shares the spotlight with August, marking a noticeable increase from the calmer months earlier in the year. This uptick not only signals a refreshing change but also sets the stage for the transition into October, when winds further strengthen to an average of 3.4 m/s (8 mph). Observing this pattern, it's clear that as the year progresses, the winds in Mangaratiba build in intensity, creating a vibrant atmosphere perfect for outdoor activities and enjoying the beautiful coastal scenery.
Weather in Mangaratiba varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Mangaratiba, focusing on differences in temperature, rainfall, humidity, and UV levels.
When comparing the weather in September and January, notable differences emerge in temperature, precipitation, and humidity. September experiences milder temperatures with minimums around 16°C (61°F) and averages of 22°C (72°F), while January offers warmer conditions, starting at a minimum of 21°C (70°F) and averaging 26°C (79°F). Precipitation also increases significantly in January, with 198 mm (7.8 in) falling over 17 days compared to 78 mm (3.1 in) over 11 days in September. Additionally, January's humidity reaches 85%, higher than September's 68%, contributing to a more humid atmosphere. For more detailed insights, you can check Mangaratiba weather in January.
September and February present distinct contrasts in weather patterns. September typically enjoys milder temperatures, with a minimum of 16°C (61°F) and an average of 22°C (72°F), peaking at 34°C (93°F). Despite being relatively dry with 78 mm (3.1 in) of precipitation over 11 days, humidity levels remain around 68%. In contrast, February features warmer temperatures, starting at a minimum of 21°C (70°F) and averaging 26°C (78°F), with a maximum of 33°C (91°F). February is also notably wetter, receiving 230 mm (9.1 in) of rain over 20 days and exhibiting higher humidity at 85%. For more detailed insights on February weather, you can visit Mangaratiba weather in February.
September and March both offer warm temperatures, but March tends to be slightly warmer and more humid. In September, the average temperature ranges from 16°C (61°F) to 34°C (93°F) with a moderate precipitation of 78 mm (3.1 in) over 11 days, while March shows a higher average temperature of 25°C (78°F) and increased precipitation of 229 mm (9.0 in) across 19 days. This results in March being more humid at 86%, compared to September's 68%. For more detailed insights, you can check Mangaratiba weather in March.
In September, temperatures range from a minimum of 16°C (61°F) to a maximum of 34°C (93°F), with an average of 22°C (72°F). The month sees around 78 mm (3.1 in) of precipitation over approximately 11 days, and humidity levels are at 68%. Conversely, April experiences slightly warmer temperatures, with a minimum of 19°C (66°F) and a maximum of 33°C (92°F), averaging 24°C (75°F). However, it is also wetter, receiving 111 mm (4.4 in) of rain over 16 days and higher humidity at 83%. For a detailed look at Mangaratiba's April weather, visit Mangaratiba weather in April.
In comparing the weather between September and May, both months show similar minimum and average temperatures, with September reaching a maximum of 34°C (93°F), significantly warmer than May's high of 30°C (86°F). Precipitation levels are slightly higher in May, with 93 mm (3.7 in) compared to September's 78 mm (3.1 in), yet both months share the same number of rainy days—11. Additionally, May tends to be more humid, with a humidity level of 81% compared to September's 68%. For a detailed look at weather conditions in May, you can visit Mangaratiba weather in May.
In comparing the weather of September and June, September generally sees slightly higher temperatures, with averages ranging from a minimum of 16°C (61°F) to a maximum of 34°C (93°F), compared to June's range of 15°C (60°F) to a maximum of 30°C (86°F). Precipitation levels are also higher in September, totaling 78 mm (3.1 in) over 11 rainy days, whereas June experiences 57 mm (2.2 in) over 10 days. Additionally, the humidity in June is slightly higher at 80%, compared to September's 68%, making June feel a bit more oppressive. For more details on June weather, you can check Mangaratiba weather in June.
The weather in September is warmer than in July, with average temperatures rising from 20°C (69°F) in July to 22°C (72°F) in September. July experiences a cooler minimum temperature of 13°C (56°F), while September has a mild minimum of 16°C (61°F). Additionally, September sees a higher maximum temperature of 34°C (93°F), compared to July's 29°C (85°F). Despite September receiving more precipitation at 78 mm (3.1 in) over 11 days, July is not far behind with 49 mm (1.9 in) across 7 days, showcasing a notable difference in humidity levels as well, with September at 68% and July at 76%. For more details on July's weather in Mangaratiba, you can check this link: Mangaratiba weather in July.
In comparing the weather patterns of August and September, September tends to be slightly warmer, with average temperatures ranging from a minimum of 16°C (61°F) to a maximum of 34°C (93°F), compared to August's temperatures, which ranged from 14°C (57°F) to 31°C (89°F). While both months experience similar humidity levels, September sees a decrease to 68% from August's 73%. Precipitation also sees a slight reduction; September records 78 mm (3.1 in) compared to August's 88 mm (3.5 in), even though both months report rainfall on 11 days. For more details, you can refer to Mangaratiba weather in August.
In September, the temperatures ranged from a minimum of 16°C (61°F) to a maximum of 34°C (93°F), with an average of 22°C (72°F). The month experienced 78 mm (3.1 in) of precipitation over 11 days, contributing to a humidity level of 68%. In contrast, October shows a slight increase in average temperature, rising to 23°C (73°F), while the maximum remains stable at 34°C (94°F). However, this month brings significantly more rainfall, totaling 132 mm (5.2 in) over 17 days, and a decrease in humidity to 61%. For more detailed information on weather, see Mangaratiba weather in October.
In September, the weather features temperatures ranging from a minimum of 16°C (61°F) to a maximum of 34°C (93°F), with an average of 22°C (72°F). The month sees about 78 mm (3.1 in) of precipitation spread over 11 days, accompanied by a humidity level of 68%. In contrast, November offers slightly warmer conditions with an average temperature of 23°C (73°F), a minimum of 16°C (62°F), and a maximum of 32°C (90°F). However, November experiences a significant increase in rainfall, totaling 167 mm (6.6 in) over 18 days and a marginally higher humidity of 72%. For more detailed weather insights, you can check Mangaratiba weather in November.
September and December exhibit notable differences in weather patterns. In September, temperatures range from a minimum of 16°C (61°F) to a maximum of 34°C (93°F), with an average of 22°C (72°F). The month sees about 78 mm (3.1 in) of precipitation over approximately 11 days, accompanied by a humidity level of 68%. In contrast, December offers slightly warmer temperatures with a minimum of 18°C (65°F) and a maximum of 32°C (90°F), averaging 24°C (76°F). However, it experiences significantly higher rainfall, totaling 199 mm (7.8 in) over 21 days, with humidity rising to 75%. For more detailed information, you can refer to Mangaratiba weather in December.
As September unfolds in Mangaratiba, the weather begins to shift noticeably from the winter chill, welcoming warmer temperatures that often reach a maximum of 34°C (93°F). This transition, however, is accompanied by a fair share of humidity and precipitation, with about 78 mm of rain spread across 11 days during the month. Compared to the drier and cooler conditions of the previous months, September proves to be a blend of warmth and occasional wet spells, making it a unique yet inviting time to visit. For more detailed insights on yearly trends, check out Mangaratiba Climate.