Last updated: August 21, 2025
In September, Boa Viagem, Brazil, experiences a delightful tropical climate, with temperatures ranging from a minimum of 20°C (68°F) to a maximum of 35°C (96°F). The average temperature hovers around 28°C (82°F), creating ideal conditions for beachgoers and outdoor enthusiasts. This month sees minimal rainfall, with only 4 mm (0.2 in) of precipitation across just 1 day, resulting in low humidity levels of 56% that further enhance the comfort of this vibrant coastal destination. Whether you're soaking up the sun or enjoying the local culture, September in Boa Viagem promises warm weather and clear skies.
In September, Boa Viagem enjoys a delightful shift in temperatures, showcasing a blend of warmth and mildness that perfectly encapsulates the onset of spring in Brazil. With minimums around 20°C (68°F) and averages nudging up to 28°C (82°F), visitors can expect pleasant beach days complemented by gentle breezes. The maximum temperatures peak at 35°C (96°F), maintaining the vibrant spirit of summer while offering a slight reprieve from the sweltering heights of the previous months. This transition reflects a steady consistency in warmth, as the month comfortably balances sunny beach outings and cooler, more enjoyable evenings, making September an ideal time to experience the charm of this coastal paradise.
In Boa Viagem, Brazil, September marks a continuation of the region's dry spell, with an almost negligible precipitation amount of just 4 mm (0.2 in), falling on a solitary day. This pattern mirrors the preceding months of August and July, characterized by exceptionally low rainfall, suggesting a marked shift from the wetter earlier months of the year, like February and March, which often see significant precipitation. As one transitions into October, conditions remain similarly arid, indicating that the dry season is firmly taking hold. This stark contrast between the wet and dry months not only influences local flora and fauna but also shapes the daily life and activities of residents, highlighting the cyclical nature of Boa Viagem's climate.
In September, Boa Viagem experiences a noticeable dip in humidity, dropping to a comfortable 56%—the lowest point of the year. This marks a significant shift from the previous months, where humidity levels consistently hovered in the high seventies to the low nineties. The transition into fall not only provides respite from the tropical stickiness but also sets the stage for a gradual decline through October. As summer approaches its end, the lower humidity in September makes it an ideal time for outdoor activities, allowing residents and visitors to relish the balmy weather without the overwhelming mugginess characteristic of earlier months.
September in Boa Viagem, Brazil, showcases a UV Index of 13, categorizing it as extreme and indicating a burn time of just 10 minutes. This month continues the trend established earlier in the year, where high UV levels are a consistent feature from January through to November, peaking in March and April with a UV Index of 15. As the year progresses, the UV Index typically fluctuates between 11 and 15, with September representing a slight dip from the summer peak. It's crucial for sun seekers to stay vigilant during this time and protect themselves adequately. For more information on daily UV levels in Boa Viagem, check out Boa Viagem UV Index.
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September shines brightly in Boa Viagem, Brazil, with an impressive 341 hours of sunshine, marking it as a peak moment in the year. This month continues the upward trend seen since August, when the sun first reigned supreme with 339 hours. As we bid farewell to winter, the sun-drenched days of spring set the stage for even brighter October, which boasts a stellar 355 hours. The gradual increase in sunshine from the cooler months of winter to the vibrant autumn not only enhances the beauty of Boa Viagem's landscapes but also invites both locals and travelers to bask in its warmth. With such a delightful stretch of sunlit days, September remains a perfect invitation to enjoy the beach life and the rich culture that flourishes in this coastal gem.
September in Boa Viagem, Brazil, brings a delightful 74% chance of sunny weather, marking one of the most promising months for sun-seekers. As the year progresses, the trend clearly shows increasing sunshine, with the likelihood rising significantly from just 24% in January to a peak in September. Following the peak, the probability of sun begins to diminish slightly as the year winds down, with October seeing a 65% chance and November dropping to 55%. This gradual transition highlights September as a perfect time to enjoy the vibrant beaches and lively atmosphere of Boa Viagem, where the sun seems determined to shine its brightest before the year closes.
As summer gives way to fall, September in Boa Viagem offers a delightful resurgence of daylight, basking in 12 hours of sunshine. This month marks a return to the brighter days of the earlier year, reminiscent of January and February. Following a stretch of 11-hour days through the cooler months of April to August, the lengthening daylight in September signals the beginning of a gradual transition back to longer days. This pattern not only highlights the region's stable climate but also invites residents and visitors alike to revel in the warmth and vibrancy of early spring. With daylight duration consistently at 12 hours from September through December, the allure of sunny days continues to beckon, making Boa Viagem a perfect destination for outdoor adventures and sun-soaked relaxation.
As September unfolds in Boa Viagem, Brazil, the coastal breeze begins to make its presence felt, with an average wind speed of 4.5 m/s (10 mph). This marks a slight decline from August's peak of 4.6 m/s (10 mph), yet still signifies the enduring vitality of the region's winds as it transitions from the winter months. Following a steady increase in wind speed during the preceding months, September's conditions remain favorable for beachgoers and water sports enthusiasts alike, contributing to the area’s vibrant outdoor atmosphere. With consistent speeds persisting into October and November, it's clear that this coastal gem enjoys a pleasantly breezy climate, making it an ideal destination year-round.
Weather in Boa Viagem varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Boa Viagem, focusing on differences in temperature, rainfall, humidity, and UV levels.
In September, the weather is warm and relatively dry, with temperatures ranging from a minimum of 20°C (68°F) to a maximum of 35°C (96°F). The average temperature sits at around 28°C (82°F), and the humidity is a moderate 56%, resulting in only 4 mm of precipitation over just one day. In contrast, January tends to be hotter and more humid, with temperatures ranging from a minimum of 21°C (69°F) to a maximum of 36°C (97°F). The average temperature is slightly lower at 27°C (81°F), but the humidity spikes to 89%, bringing about a significant increase in rainfall with 62 mm falling over 13 days. For more details, check out Boa Viagem weather in January.
September and February in Boa Viagem present contrasting weather patterns. September typically boasts warmer daytime temperatures, with averages around 28°C (82°F) and a maximum that can reach up to 35°C (96°F). It features much lower humidity at 56% and minimal rainfall, averaging only 4 mm (0.2 in) across just one day. In stark contrast, February experiences slightly cooler average temperatures at 26°C (80°F) and higher humidity levels at 90%. This month is characterized by significant rainfall, with a total of 130 mm (5.1 in) spread over approximately 20 days, making for a much wetter experience. For more details, you can check Boa Viagem weather in February.
In comparing the weather between September and March, we observe significant differences in temperature and precipitation patterns. September generally features warmer temperatures, with an average of 28°C (82°F) and highs reaching up to 35°C (96°F), while March has slightly cooler averages of 26°C (79°F) but maintains the same maximum temperature of 35°C (95°F). However, March is considerably wetter, receiving about 135 mm (5.3 in) of precipitation over 24 days compared to September's minimal 4 mm (0.2 in) of rain over just 1 day. Furthermore, humidity levels are higher in March at 92%, compared to September's 56%, making March feel much more humid and sticky. For more details, check out Boa Viagem weather in March.
When comparing the weather in September and April, distinct differences become apparent. In September, the climate is generally warm, with average temperatures reaching around 28°C (82°F) and maximums soaring up to 35°C (96°F). The month is quite dry, receiving only about 4 mm (0.2 in) of precipitation over just one day, and humidity levels sit at a comfortable 56%. In contrast, April is noticeably wetter and cooler, with average temperatures dropping to 26°C (78°F) and maximums around 32°C (91°F). This month sees significant rainfall, with 114 mm (4.5 in) over 21 days, resulting in much higher humidity levels at 91%. For a detailed look at the conditions in April, check out Boa Viagem weather in April.
When comparing the weather in September and May, it’s clear that September enjoys warmer temperatures, with an average high of 28°C (82°F) compared to May's 26°C (78°F). September also boasts significantly less precipitation, only receiving about 4 mm (0.2 in) across just one day, while May experiences much wetter conditions with 54 mm (2.1 in) over 13 days. Additionally, September's humidity level is noticeably lower at 56%, offering a drier heat, whereas May's humidity is quite high at 88%, contributing to a more humid and potentially uncomfortable atmosphere. For more insights into the weather specifics, check out Boa Viagem weather in May.
September typically offers warmer temperatures compared to June, with average highs reaching 28°C (82°F) and maximums up to 35°C (96°F) in September, contrasted with June's average high of 26°C (79°F) and maximum of 33°C (93°F). Additionally, September experiences significantly less rainfall, receiving only 4 mm (0.2 in) over just 1 day, whereas June sees more precipitation at 23 mm (0.9 in) across 5 days. Humidity levels are also lower in September at 56%, compared to a more humid June, which has 78% humidity. For a detailed look at June weather conditions, you can visit Boa Viagem weather in June.
When comparing the weather in September and July, September tends to be slightly warmer, with average temperatures reaching 28°C (82°F) and a maximum of 35°C (96°F), compared to July's average of 26°C (79°F) and a maximum of 33°C (92°F). Additionally, September experiences much less rainfall, receiving only 4 mm (0.2 in) over 1 day, while July sees significantly more precipitation at 21 mm (0.8 in) over 4 days. Humidity levels are also somewhat lower in September at 56%, compared to July's 66%. For more detailed July weather information, visit Boa Viagem weather in July.
In comparison to August, September experiences slightly warmer temperatures, with a minimum of 20°C (68°F) and an average high of 28°C (82°F), compared to August’s minimum of 19°C (66°F) and an average of 27°C (81°F). Notably, both months share the same maximum temperature of 35°C (95°F), but September tends to be a bit drier, receiving only 4 mm (0.2 in) of precipitation over a single day, while August sees a bit more rain at 6 mm (0.2 in) on the same number of days. Humidity levels are also somewhat lower in September at 56%, compared to August's 60%, suggesting a slightly more comfortable atmosphere. For a more detailed look at August weather, you can visit Boa Viagem weather in August.
September and October exhibit similar warm weather patterns, but with a few notable differences. In September, the minimum temperature hovers around 20°C (68°F) with an average of 28°C (82°F), while October sees a slight rise in the minimum temperature to 21°C (70°F) and maintains the same average of 28°C (83°F). Both months experience little precipitation, with September recording rain on 1 day, whereas October remains completely dry. Humidity is slightly lower in October at 54%, compared to September’s 56%. For more detailed insights, check out the Boa Viagem weather in October.
September and November showcase similar weather patterns, but with notable differences. In September, the minimum temperature sits around 20°C (68°F) and the maximum reaches 35°C (96°F), resulting in a comfortable average of 28°C (82°F). In contrast, November experiences slightly warmer temperatures, with a minimum of 21°C (71°F) and a maximum of 37°C (98°F), keeping a similar average of 28°C (83°F). Precipitation is minimal in both months, with September recording only 4 mm (0.2 in) compared to November's 8 mm (0.3 in), though both see rain on just one day. Humidity remains consistent at 56% across both months. For more details, you can check out Boa Viagem weather in November.
In September, the weather tends to be warm and relatively dry, with average temperatures around 28°C (82°F) and minimal precipitation of just 4 mm over a single day. Humidity is moderate at 56%, making it comfortable for outdoor activities. In contrast, December experiences slightly warmer temperatures with an average of 28°C (83°F) and a higher maximum of 36°C (98°F). However, it is also notably wetter, receiving about 29 mm of rain spread over six days, leading to an increase in humidity to 69%. For more detailed information, you can check Boa Viagem weather in December.
September in Boa Viagem marks a transition to more pleasant weather, with average temperatures around 28°C (82°F) that feel notably comfortable compared to the hotter months preceding it. The humidity sits at a moderate 56%, making the warmth more bearable, while precipitation is minimal, with only about 4 mm recorded over just one day. This shift results in clearer skies and more sunshine, making September an ideal time to explore the stunning coastline. For more details on how September fits into the broader climate trends, check out Boa Viagem Climate.