Last updated: August 21, 2025
Experience the enchanting September weather in Armacao de Buzios, Brazil, where the maximum temperature reaches a warm 31°C (87°F), balancing beautifully with an average temperature of 23°C (73°F). While the minimum dip to a comfortable 18°C (64°F) invites cozy evenings, the month also sees about 50 mm (2.0 in) of rainfall over 7 days, ensuring the lush surroundings remain vibrant and inviting. With 75% humidity, the air is warm and pleasant, making it a perfect time to explore the scenic beaches and bustling local culture. Embrace the tropical charm of Buzios this September!
In September, Armacao de Buzios experiences a delightful transition as the temperatures begin to rise gently after the cooler winter months. With minimums around 18°C (64°F), an average of 23°C (73°F), and maximums reaching 31°C (87°F), the month offers a pleasant climate perfect for outdoor activities and beach outings. This shift signifies a gradual return to warmer days, as the average temperature holds steady between late fall and spring. With clear skies and inviting warmth, September is an ideal time to savor the stunning coastal beauty of this Brazilian paradise.
In September, Armacao de Buzios experiences a moderate shift in precipitation, with 50 mm (2.0 in) of rain spread over approximately 7 days. This marks a slight decrease from the previous month, where August recorded 51 mm but over a comparable number of rainy days. As the year progresses, September serves as a transitional month, hinting at the upcoming increase in rainfall typical for the later months. With October bringing a rise to 92 mm, it's evident that September's weather offers a brief respite before the more pronounced wet season begins in Brazil's coastal paradise, making it an ideal time for visitors who prefer drier conditions yet still want to enjoy the lush scenery.
In September, Armacao de Buzios enjoys a pleasant humidity level of 75%, maintaining the trend of a gradual decline in humidity observed since the peak months of January through August. Following the consistently high figures at the beginning of the year, the humidity steadily decreased, reaching its lowest point in October at 74%. This drop suggests a transition towards drier conditions as the region moves into spring, providing a comfortable climate ideal for outdoor activities and beach excursions. As September marks the tail end of winter in Brazil, residents and visitors alike can relish the mild humidity while experiencing the beauty of the coastal paradise.
As September rolls into Armacao de Buzios, Brazil, residents and visitors experience a UV Index of 11, placing it back into the extreme exposure category, where burn time is a brisk 10 minutes. This trend mirrors the earlier months of the year, where high UV levels persisted, especially from January to April. After a slight dip in the middle of the year, September's surge reflects the intensifying sunlight as summer approaches. With the UV Index consistently remaining high throughout much of the year, it’s essential to be sun-smart in Buzios. For more detailed information on UV levels, visit the Armacao de Buzios UV Index.
UV Risk Categories
September in Armacao de Buzios shines brightly with an impressive 305 hours of sunshine, making it one of the sunniest months of the year. Following the vibrant summer months, where sunshine peaked in March, September maintains a lovely warmth, similar to the sunny days enjoyed in both April and October. As the year transitions into spring, the weather remains inviting, perfectly complementing the delightful beaches and vibrant local culture. The trend shows a consistent average of sunshine, assuring visitors they can soak up the Brazilian sun while enjoying all that this charming coastal town has to offer.
As September rolls into Armacao de Buzios, the likelihood of experiencing sunny weather is moderate, with a 45% chance of clear skies. This places September slightly below the summer months, where the sun shines more frequently, particularly in July and August, which boast 65% and 59% chances, respectively. Interestingly, September acts as a bridge between the peak summer sun and the cooler autumn months, where the probability of sunny days declines significantly, plummeting to 21% by October. Overall, while you might not bask in the sun every day in September, there's still plenty of opportunity to enjoy those bright moments amidst a beautiful Brazilian backdrop.
As September unfolds in Armação de Búzios, Brazil, the daylight duration stabilizes at 11 hours, maintaining the trend seen in August. This pattern marks a gradual transition from the longer days of summer, which peak at 13 hours in January and November, to the shorter days of winter, where daylight dips to 10 hours from May through July. Following September, the daylight begins to increase again as October approaches, hinting at the return of longer, sun-filled days. This rhythm highlights the region's consistent and captivating light cycle, making every September day a delightful balance of sun and shade.
In September, Armacao de Buzios enjoys refreshing breezes, with an average wind speed of 5.6 m/s (13 mph), maintaining the momentum from the previous month. This month typically marks a transition where the winds remain brisk but start to ease slightly as the year unfolds. The consistent winds in August and early September contrast with the lighter gusts of the spring months, creating ideal conditions for both sailing enthusiasts and beachgoers alike. As the month progresses, Buzios showcases its stunning coastline, perfectly complemented by nature's gentle whispers, inviting visitors to indulge in the vibrant atmosphere and picturesque views.
Weather in Armacao de Buzios varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Armacao de Buzios, focusing on differences in temperature, rainfall, humidity, and UV levels.
September and January in Armacao de Buzios present a warm and humid climate, but with some notable differences. In September, temperatures range from a minimum of 18°C (64°F) to a maximum of 31°C (87°F), with an average of 23°C (73°F). The month sees around 50 mm (2.0 in) of precipitation across 7 days, and humidity levels moderate at 75%. In contrast, January is slightly warmer with minimum temperatures of 21°C (70°F) and maximums reaching 32°C (90°F), averaging 26°C (79°F). This month experiences a bit more rainfall, totaling 66 mm (2.6 in) over the same number of rainy days, and higher humidity at 85%. For more detailed information, check Armacao de Buzios weather in January.
September and February present distinct weather patterns, with February generally being warmer and wetter. In September, temperatures range from a minimum of 18°C (64°F) to a maximum of 31°C (87°F), with an average of 23°C (73°F). In contrast, February sees higher temperatures, with a minimum of 21°C (69°F) and a maximum of 33°C (91°F), averaging at 26°C (78°F). Precipitation also diverges significantly; September experiences about 50 mm (2.0 in) of rain over 7 days, while February receives 120 mm (4.7 in) over 13 days, making it the wetter month. Additionally, February tends to be more humid, with levels at 86% compared to September's 75%. For more detailed insights about February weather specifically, check out Armacao de Buzios weather in February.
When comparing the weather in September and March, notable differences emerge. September boasts a milder temperature range, with minimums of 18°C (64°F) and maximums reaching 31°C (87°F), while March sees higher minimum temperatures starting at 21°C (69°F) and maintaining a similar maximum of 31°C (89°F). Additionally, precipitation levels are significantly higher in March, totaling 147 mm (5.8 in) over 14 days, compared to September's 50 mm (2.0 in) across only 7 days. Humidity levels also rise in March, averaging 84% compared to September's 75%. For more detailed insights, visit Armacao de Buzios weather in March.
When comparing the weather between September and April, April tends to be slightly warmer, with average temperatures reaching 25°C (76°F) compared to September's 23°C (73°F). The maximum temperatures also peak higher in April at 32°C (90°F), versus 31°C (87°F) in September. Both months experience similar levels of precipitation, with April receiving 54 mm (2.1 in) over about 11 days, while September sees 50 mm (2.0 in) across 7 days. Additionally, humidity levels are higher in April at 82%, compared to 75% in September. For more specific details on April's weather, you can visit Armacao de Buzios weather in April.
In comparing the weather of September and May, both months exhibit similar temperature ranges, with minimums around 17-18°C and maximums peaking at about 31°C. However, May tends to be slightly wetter, receiving an average of 68 mm of precipitation over 9 days, compared to September's 50 mm over 7 days. Additionally, May experiences a touch higher humidity at 80%, compared to September's 75%. For more detailed insights into May weather, you can explore Armacao de Buzios weather in May.
In comparing the weather of September and June, both months exhibit relatively mild temperatures, with September slightly warmer on average. September sees minimum temperatures around 18°C (64°F) and an average of 23°C (73°F), while June has a minimum of 17°C (63°F) and an average of 22°C (72°F). The maximum temperatures are also a touch higher in September at 31°C (87°F), compared to June's 30°C (86°F). In terms of precipitation, September has slightly higher rainfall at 50 mm (2.0 in) over 7 days, while June receives 37 mm (1.5 in) over 8 days. Humidity levels are similar, with September at 75% and June at 78%. For a detailed look at the weather in June, you can view Armacao de Buzios weather in June.
In comparing the weather between July and September, September tends to be slightly warmer, with average temperatures reaching 23°C (73°F), compared to July's average of 21°C (71°F). The minimum temperature in September is also higher at 18°C (64°F) versus July's 15°C (59°F). Additionally, September experiences more precipitation, recording 50 mm (2.0 in) over 7 days, while July has only 24 mm (1.0 in) over 6 days. Humidity levels are quite similar, with September at 75% and July at 77%. For a more detailed look at July weather, you can explore this link: Armacao de Buzios weather in July.
In comparing the weather between September and August, September tends to be slightly warmer, with average temperatures rising to 23°C (73°F) compared to August's average of 21°C (71°F). September also sees a slightly higher maximum temperature of 31°C (87°F) versus August's 30°C (85°F). Both months experience similar levels of precipitation, with September receiving 50 mm (2.0 in) over 7 days and August totaling 51 mm (2.0 in) over 9 days. Humidity remains consistent at 75% for both months, providing a warm and muggy atmosphere. For more detailed information, check out Armacao de Buzios weather in August.
In September, the weather is typically warm with temperatures ranging from a minimum of 18°C (64°F) to a maximum of 31°C (87°F) and an average of 23°C (73°F). This month receives about 50 mm (2.0 in) of precipitation over roughly 7 days, with humidity levels around 75%. In comparison, October sees slightly cooler minimum temperatures of 17°C (64°F) but maintains a similar average of 23°C (74°F) and a slightly warmer maximum of 31°C (88°F). However, October experiences increased rainfall, totaling around 92 mm (3.6 in) across 12 days, with humidity remaining relatively stable at 74%. For a more detailed look at the weather, check out Armacao de Buzios weather in October.
September and November exhibit similar temperature ranges, with September featuring a minimum of 18°C (64°F) and a maximum of 31°C (87°F), while November maintains a minimum of 18°C (65°F) and reaches up to 32°C (89°F). Both months have an average temperature of around 23°C (73°F to 74°F). However, November is significantly wetter, receiving 165 mm (6.5 in) of precipitation over 16 days compared to September's 50 mm (2.0 in) across 7 days, resulting in higher humidity levels in November at 79% compared to September's 75%. For more detailed information on weather conditions during November, you can check Armacao de Buzios weather in November.
September and December showcase distinct differences in weather patterns. In September, temperatures range from a minimum of 18°C (64°F) to a maximum of 31°C (87°F), with an average of 23°C (73°F). The month experiences approximately 50 mm (2.0 in) of precipitation over 7 days and a humidity level of 75%. In contrast, December sees slightly warmer temperatures, with a minimum of 19°C (67°F), an average of 25°C (77°F), and a maximum of 30°C (87°F). The precipitation increases significantly to 142 mm (5.6 in) over 13 days, coupled with higher humidity at 81%. For a detailed look at the weather during this month, you can visit Armacao de Buzios weather in December.
As September ushers in the early spring in Armação de Búzios, the weather begins to warm up, presenting a delightful shift from the cooler winter months. With temperatures reaching a maximum of 31°C (87°F), the days become pleasantly warmer, while the average hovers around 23°C (73°F). You can expect a moderate amount of rainfall, with about seven days of precipitation throughout the month, making the lush surroundings even more vibrant. The 75% humidity adds a tropical touch, enhancing the overall experience of this stunning coastal destination. For a deeper understanding of how September fits into the broader weather patterns, check out the extensive information available at Armacao de Buzios Climate.