Last updated: August 21, 2025
In September, Brotas, Brazil experiences a dynamic range of temperatures, with a maximum reaching 37°C (99°F) and a minimum dipping to 9°C (49°F), contributing to an average of 24°C (75°F). This transitional month witnesses 29 mm (1.2 in) of rainfall over approximately 5 days, resulting in a moderate humidity level of 54%. These climatic conditions create an invigorating atmosphere, perfect for outdoor adventures and enjoying the lush landscapes that Brotas is renowned for.
In Brotas, Brazil, September marks a transition into warmer days, with temperatures ranging from a minimum of 9°C (49°F) to a sizzling maximum of 37°C (99°F). The average temperature settles at a comfortable 24°C (75°F), inviting both locals and visitors to enjoy outdoor activities in pleasant weather. Notably, September's highs are among the highest of the year, suggesting a shift towards summer as the region approaches its warmer months. This pattern of increased warmth follows a trend seen in previous months, emphasizing the arrival of spring and the vibrant natural beauty that accompanies it. As the days lengthen and temperatures rise, September in Brotas creates the perfect backdrop for adventure and exploration.
In September, Brotas, Brazil experiences a noticeable dip in precipitation, with just 29 mm (1.2 in) of rain falling over 5 days. This marks a continuation of the drier trend established in the summer months, following a peak in rainfall during January and February. As the dry season progresses, the reduced precipitation is evident, especially compared to the heavier downpours earlier in the year. With average conditions stabilizing, September signals a transition period, gently paving the way to the wetter months ahead, where rainfall begins to escalate again in October. This gradual shift highlights the region's seasonal rhythm, creating a dynamic climate that shapes both the landscape and local lifestyles.
In Brotas, Brazil, the humidity levels exhibit a consistent seasonal pattern throughout the year. As summer gives way to autumn, September marks a significant drop in humidity, reaching 54%, the lowest of the year. This decline follows a steady decrease from the peak levels of 88% in January, where warm, moist air prevails, down to the drier months of late winter and early fall. The transition into September not only signals a shift to more comfortable conditions but also sets the stage for the drier October ahead, which continues the trend with an even lower 50% humidity. As the year progresses, humidity begins to climb once again with the onset of the rainy season, peaking again in December at 83%. This cyclical rhythm of high and low humidity levels shapes the unique climate of Brotas, making it an intriguing destination year-round.
As summer transitions to spring in Brotas, Brazil, September maintains a notably high UV Index of 12, placing it in the extreme exposure category. This means that outdoor enthusiasts should take precautions, as the burn time is just 10 minutes. Observing the trends throughout the year, it's evident that the UV Index remains consistently elevated from January to April, peaking at 16 in February, before slightly tapering off in May and June. However, by September, we see a return to the extreme levels previously experienced, underscoring the importance of sun safety as we enter the new season. For more detailed information on UV levels throughout the year, check out Brotas UV Index.
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As September unfolds in Brotas, Brazil, it brings with it an impressive 316 hours of sunshine, making it one of the sunniest months of the year. This vibrant month follows the trend of increasing daylight, peaking in March with 324 hours and maintaining a close brightness through the rest of the year. After the slightly cooler winter months, which range from 283 to 310 hours of sunshine, September signals the transition into warmer days that will lead into the sun-drenched October and November, both boasting over 300 hours of glorious sunshine. Such ample sunshine not only enhances the picturesque landscapes of Brotas but also invites adventurers and nature lovers to bask in the region's breathtaking beauty.
In September, Brotas, Brazil, enjoys a promising 62% chance of sunny weather, continuing a trend of increasing sunshine as the year progresses. After the relatively lower probabilities in the earlier months, this uptick reflects the onset of spring, bringing more favorable conditions for outdoor activities. This sunny spell is a welcome transition from the winter months, as July boasts the highest likelihood of clear skies at 76%, followed closely by August at 69%. As September approaches, visitors can expect pleasant weather, making it an ideal time for adventure and exploration in this beautiful region.
In September, Brotas, Brazil, greets the arrival of spring with a delightful 11 hours of daylight, maintaining a consistent brightness that bridges the transition from winter to warmer months. This steady daylight duration mirrors the previous month of August, as well as the upcoming months of October and November, where daylight gradually begins to extend. Observing the overall trend from January to December, it's clear that the daylight hours fluctuate throughout the year, peaking at 13 hours in the summer months of January and December, while dipping to 10 hours during the winter. This rhythm of daylight not only highlights Brazil's inviting climate but also sets the stage for vibrant outdoor activities as nature awakens.
As September unfolds in Brotas, Brazil, the average wind speed reaches a refreshing 3.1 m/s (7 mph), matching the strength of August's gentle breezes. This marks a delightful shift from the calmer months of early autumn, where speeds hovered around 2.3 m/s (5 mph). The winds begin to pick up momentum, heralding the transition into spring, and are part of a gradual upward trend that peaks in the later months. The consistent breeze not only invigorates the landscape but also enhances outdoor activities, inviting locals and visitors alike to embrace the beauty of Brotas in this vibrant season. As we look forward to October and November, where speeds rise to 3.2 m/s (7 mph) and 3.3 m/s (7 mph) respectively, the winds promise to keep the spirit of adventure alive in this picturesque town.
Weather in Brotas varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Brotas, focusing on differences in temperature, rainfall, humidity, and UV levels.
In September, weather conditions are generally warmer, with average temperatures around 24°C (75°F) and maximums reaching up to 37°C (99°F). The month experiences low precipitation levels, with only 29 mm (1.2 in) spread over about 5 days, and a humidity of 54%. In contrast, January sees milder temperatures, with an average of 25°C (76°F) and maximums peaking at 35°C (96°F). However, it is significantly wetter, boasting 185 mm (7.3 in) of rainfall over roughly 18 days, alongside a much higher humidity level of 88%. For more details, you can check Brotas weather in January.
September and February exhibit distinct weather characteristics. In September, temperatures range from a minimum of 9°C (49°F) to a maximum of 37°C (99°F), with an average of 24°C (75°F). The month experiences relatively low precipitation, totaling 29 mm (1.2 in) over about 5 days, resulting in a comfortable humidity level of 54%. In contrast, February presents a milder temperature spectrum, with a minimum of 16°C (62°F) and a maximum of 36°C (98°F), while maintaining an average temperature similar to September at 24°C (76°F). However, February is significantly wetter, receiving 151 mm (5.9 in) of rain over 15 days, leading to a higher humidity of 87%. For more details, visit Brotas weather in February.
The weather in September and March exhibits notable differences in temperature and precipitation patterns. September features a wider temperature range, with minimums of 9°C and maximums reaching up to 37°C, while March's temperatures are milder, with minimums around 15°C and a maximum of 35°C. Although both months average around 24°C, September is considerably drier, experiencing only 29 mm of precipitation over 5 days, in contrast to March's much wetter conditions, which see 96 mm of rain over 14 days. Additionally, March has a significantly higher humidity level at 86%, compared to September's 54%, reflecting the transition into a more humid climate. For more details on March weather specifics, you can check Brotas weather in March.
In September, the weather tends to be warmer with average temperatures reaching 24°C (75°F) and maximums hitting 37°C (99°F). Humidity levels are moderate at 54%, and precipitation is relatively low at 29 mm (1.2 in) over about 5 days. In contrast, April experiences cooler average temperatures of 22°C (73°F) with a maximum of 32°C (89°F) and higher humidity at 82%. Rainfall in April is also more significant, totaling 45 mm (1.8 in) over the same number of days. For a detailed look at April weather, you can visit Brotas weather in April.
In comparing the weather between September and May, it's clear that September generally experiences warmer temperatures, with daily averages reaching up to 24°C (75°F) and maximums soaring to 37°C (99°F). In contrast, May sees cooler temperatures, averaging around 20°C (68°F) and peaking at 32°C (89°F). September has lower humidity at 54%, while May is quite humid at 76%, contributing to a different overall feel in the atmosphere. Additionally, both months experience similar precipitation levels, with September receiving 29 mm (1.2 in) over about five days and May slightly higher with 35 mm (1.4 in) over four days. For more specific insights into May weather, you can visit Brotas weather in May.
In comparison to June, September offers warmer temperatures with an average high of 24°C (75°F), peaking at 37°C (99°F), versus June's maximum of 30°C (86°F). While both months experience mild mornings, with minimums of 9°C (49°F) in September and 8°C (47°F) in June, September's overall heat and lower humidity at 54% make it feel less muggy compared to June's higher humidity level of 71%. Additionally, September sees slightly more precipitation, averaging 29 mm (1.2 in) over 5 days, compared to June’s 15 mm (0.6 in) over just 3 days. For more specifics on the weather in June, you can check Brotas weather in June.
When comparing the weather in September to that of July, significant differences are noted in temperature and humidity levels. September boasts a wider temperature range, with a minimum of 9°C (49°F) and maximum reaching 37°C (99°F), allowing for average highs of 24°C (75°F). In contrast, July's temperatures are more modest, from a minimum of 2°C (37°F) to a maximum of 31°C (89°F), coupled with an average of 19°C (66°F). Furthermore, July experiences notably less precipitation, with only 9 mm (0.3 in) across zero days, while September sees increased rainfall with 29 mm (1.2 in) over five days. Interestingly, September also has lower humidity at 54%, compared to the higher 67% humidity found in July. For more detailed weather insights specific to July, visit Brotas weather in July.
September generally brings warmer temperatures compared to August, with a minimum of 9°C (49°F) and an average of 24°C (75°F), while August starts off cooler with a minimum of 5°C (42°F) and an average of 20°C (68°F). The maximum temperatures in September can reach up to 37°C (99°F), whereas August's highs cap at 34°C (93°F). Despite September experiencing slightly lower overall precipitation at 29 mm (1.2 in) over 5 days, August has a higher total of 38 mm (1.5 in) across 4 days. Humidity levels are also slightly elevated in August at 59%, compared to September’s 54%. For more detailed weather insights in August, you can visit Brotas weather in August.
In September, temperatures ranged from a cool 9°C (49°F) at night to a warm maximum of 37°C (99°F), with an average of 24°C (75°F). The month saw relatively low precipitation, with only 29 mm (1.2 in) over 5 days, and humidity levels were moderate at 54%.
In contrast, October experiences a more pronounced variation in temperature, with nighttime lows of 13°C (55°F) and highs reaching up to 39°C (103°F), while maintaining the same average temperature of 24°C (75°F). However, rainfall increases significantly in October to 91 mm (3.6 in) over 12 days, making it a wetter month, although humidity decreases slightly to 50%. For more specific details on October weather, you can visit Brotas weather in October.
In September, the weather is characterized by warm temperatures, with a minimum of 9°C (49°F) and an average of 24°C (75°F). The month can reach highs of up to 37°C (99°F), but with relatively low precipitation of 29 mm (1.2 in) over just 5 days, contributing to a humidity level of 54%.
In contrast, November sees slightly warmer nights with a minimum temperature of 12°C (53°F) and an average of 23°C (75°F). The maximum temperature is comparable at 36°C (97°F), but this month experiences significantly more rainfall at 121 mm (4.8 in) across 13 days, leading to higher humidity levels at 74%.
For a detailed look at the weather during November, check out Brotas weather in November.
In September, the weather exhibits a broader temperature range, with minimums dipping to 9°C (49°F) and maximums soaring up to 37°C (99°F). The average temperature hovers around a comfortable 24°C (75°F) with relatively low humidity at 54% and only light precipitation totaling 29 mm (1.2 in) over about 5 days. In contrast, December experiences milder minimum temperatures at 14°C (58°F) while the average remains nearly the same at 24°C (76°F). However, the humidity rises significantly to 83%, and precipitation increases dramatically to 155 mm (6.1 in) spread over 18 days, giving the month a much wetter character. For a detailed look at December weather, check out Brotas weather in December.
As September arrives in Brotas, the weather shifts towards a more temperate embrace, presenting a delightful blend of warmth and coolness. With maximum temperatures reaching 37°C (99°F), the days can feel quite warm, yet the average temperature settles around a comfortable 24°C (75°F), providing a pleasant respite. As the month progresses, you might experience occasional showers, with precipitation occurring on about five days and totaling 29 mm (1.2 in), which is relatively light compared to the heavier rains of the wet season. Humidity hangs around 54%, adding a slight stickiness to the air but overall offering a breathable climate. This transitional month encourages outdoor adventures and exploration. For a more detailed understanding of how September compares to other months in Brotas, explore the full insights at Brotas Climate.