Last updated: August 21, 2025
September in Sorocaba, Brazil presents a dynamic climate experience, marked by a maximum temperature soaring to a scorching 37°C (99°F), while the average settles at a comfortable 22°C (72°F). As the month transitions, the mercury dips to a refreshing minimum of 9°C (49°F), offering a pleasant reprieve from the heat. Rain is relatively scarce, with 29 mm (1.1 in) of precipitation distributed over 6 days, influencing the local humidity level, which hovers around 54%. This interplay of temperatures and limited rainfall creates a unique and vibrant atmosphere for residents and visitors alike.
As September arrives in Sorocaba, Brazil, the temperatures begin to exhibit a noticeable transition. With minimums around 9°C (49°F) and an average of 22°C (72°F), the month marks a shift towards warmer days compared to the preceding winter months, while still avoiding the oppressive heat of summer. The maximum temperatures can soar up to 37°C (99°F), indicating that the region is warming up significantly as it heads into spring. This blend of cooler nights and pleasantly warm days creates an inviting atmosphere, perfect for outdoor activities and enjoying the natural beauty of the area. Overall, September serves as a vibrant prelude to the hotter months, balancing comfort with the thrill of impending warmth.
In September, Sorocaba experiences a modest precipitation total of 29 mm (1.1 in), continuing the trend of lighter rainfall that characterizes the latter part of the dry season. With rain falling on 6 days, the frequency of precipitation remains low compared to the peak months earlier in the year. This pattern underscores a transition towards the wetter season ahead, contrasting sharply with January's significant 154 mm (6.1 in) and 18 days of rain. As the city prepares for October's expected increase in both rainfall and rainy days, September serves as a reminder of the shifting climatic rhythms that shape life in Sorocaba.
As the year progresses, September in Sorocaba, Brazil, marks a notable shift in humidity levels, dipping to 54%. Following months of gradual decline from a high of 88% in January to a comfortable low in September, the city welcomes the dry season. This trend showcases a steady decrease from the oppressive humidity of the summer months, particularly evident in the transition from August's 59% humidity. The arrival of October promises even drier conditions, with humidity expected to drop further to 50%. As such, September serves as a pivotal month, introducing a refreshing respite from the sweltering heat and paving the way for the crisp air of early spring.
In September, Sorocaba experiences a UV Index of 11, placing it in the extreme exposure category with a burn time of just 10 minutes. This marks a brief rebound from the relatively milder conditions of winter, as the UV levels elevate once again to meet the intensity seen in the earlier months of the year. The trend shows a clear pattern: from January through April, the UV Index remains extremely high, peaking in February and January, while May through August sees a gradual decline, only to rise sharply again in September. This cyclical pattern highlights the importance for residents and visitors alike to stay vigilant about sun protection. For more detailed information on the UV Index throughout the year, visit Sorocaba UV Index.
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September in Sorocaba, Brazil, shines brightly with an impressive 291 hours of sunshine, continuing the trend of abundant daylight that peaks during the spring months. This vibrant month stands out as a delightful transition from the winter chill, fostering a lively atmosphere as days grow longer and warmer. Following a summer of increased sunny hours, with March leading at 307 hours, September reflects a consistent pattern of brightness, maintaining the rhythm of daylight that characterizes the region. With October trailing closely behind at 267 hours, the golden rays of September beckon residents and visitors alike to embrace outdoor activities and the natural beauty that flourishes in this sunny locale.
In Sorocaba, Brazil, September marks a turning point in the weather, with a 51% chance of sunny days. As we transition from the frosty grip of winter, the sun re-emerges more frequently. This moderate likelihood of sunny skies is part of an upward trend from August’s 53% and continues the journey towards the warmer months. Following the peak of sunshine in July at 64%, September offers a comfortable blend of warmth and light, foreshadowing the vibrant days ahead in October and beyond, despite the dip to 21% that follows. Overall, September proves to be a delightful month for sun-seekers in Sorocaba!
In September, Sorocaba enjoys about 11 hours of daylight, marking a transition that echoes the longer days of summer. As the year progresses from January's generous 13 hours of sunlight, there is a gradual decline through the autumn months, with daylight dipping to 10 hours in May and maintaining this duration through July. However, as the seasons shift, August sees a slight uptick back to 11 hours, and this trend of light begins to rebound in October and November, where it once again reaches 12 and 13 hours, respectively. This cyclical pattern emphasizes Sorocaba's dynamic relationship with daylight, inviting residents and visitors alike to embrace the changing rhythms of the year.
As September unfolds in Sorocaba, Brazil, the breeze begins to pick up with an average wind speed of 3.4 m/s (8 mph), marking it as one of the windiest months of the year. This increase follows a gradual rise from the calmer summer months, where winds hovered around 2.4 m/s to 2.8 m/s. The trend is indicative of the transition into spring, as winds become more prominent, leading to a dynamic and refreshing environment. With October and November showing slight increases to 3.5 m/s, this seasonal shift enhances the vibrant atmosphere, inviting residents and visitors alike to enjoy the warmth of the sun mingled with the invigorating gusts that characterize this time of year.
Weather in Sorocaba varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Sorocaba, focusing on differences in temperature, rainfall, humidity, and UV levels.
When comparing the weather in September and January, notable differences emerge. September experiences milder temperatures with a minimum of 9°C (49°F) and an average of 22°C (72°F), while January is warmer, with a minimum of 15°C (60°F) and an average of 24°C (76°F). Although both months can reach high temperatures—37°C (99°F) in September and 36°C (97°F) in January—the precipitation levels highlight a significant contrast. September sees only 29 mm (1.1 in) of rainfall over six days, while January is notably wetter, with 154 mm (6.1 in) spread across 18 days and higher humidity at 88%. For more insights into January's climate, visit Sorocaba weather in January.
In September, the weather features a minimum temperature of 9°C (49°F) and an average of 22°C (72°F), with highs reaching up to 37°C (99°F). The month experiences relatively low precipitation of 29 mm (1.1 in) over about 6 days, and humidity averages around 54%. In contrast, February sees warmer conditions, with a minimum temperature of 16°C (60°F) and an average of 24°C (75°F), while the maximum can rise to 38°C (100°F). However, February brings significantly more rain, accumulating 119 mm (4.7 in) over 13 days, and a much higher humidity level of 87%. For more details on February weather, you can check Sorocaba weather in February.
September and March present contrasting weather conditions. In September, temperatures range from a cool 9°C (49°F) at night to a warm average of 22°C (72°F), with a maximum hitting 37°C (99°F). The month sees minimal rainfall, with only 29 mm (1.1 in) over about 6 days, and a moderate humidity level of 54%. In contrast, March offers warmer nights with a minimum of 15°C (59°F), an average of 24°C (75°F), and a peak temperature of 36°C (97°F). However, it is much wetter, with 85 mm (3.3 in) of precipitation spread across 15 days and significantly higher humidity at 86%. For more insights into March weather, you can check out Sorocaba weather in March.
In comparing the weather of September and April, both months showcase a similar average temperature of 22°C (72°F), indicating a comfortable climate. However, September experiences a wider temperature range with minimums dropping to 9°C (49°F) and maximums soaring to 37°C (99°F), making it generally warmer at times. In contrast, April starts slightly warmer at a minimum of 11°C (53°F) and peaks at 34°C (93°F).
Rainfall is notably higher in April, with 46 mm (1.8 in) of precipitation compared to September's 29 mm (1.1 in), though they both record rain on six days. Additionally, April's humidity is significantly higher at 82%, versus September's 54%, contributing to a more humid environment.
For more detailed insights on April weather, check out Sorocaba weather in April.
September and May offer distinct weather experiences, with September featuring warmer temperatures that can reach up to 37°C (99°F) and an average of 22°C (72°F). The month has relatively low humidity at 54% and sees about 29 mm (1.1 in) of precipitation over six days. In contrast, May is cooler, with temperatures peaking at 32°C (89°F) and averaging 19°C (67°F). This month experiences significantly higher humidity at 76% and slightly more rainfall at 44 mm (1.7 in) over five days. For a more detailed outlook on May weather specifically, you can check Sorocaba weather in May.
When comparing the weather in September and June, a noticeable difference in temperature and humidity emerges. September boasts a wider temperature range, with minimums at 9°C (49°F) and maximums reaching a warm 37°C (99°F), leading to an average of 22°C (72°F). In contrast, June presents cooler conditions, with temperatures ranging from a minimum of 7°C (45°F) to a maximum of 30°C (86°F), averaging only 19°C (66°F). The precipitation levels are slightly higher in June, with 39 mm (1.6 in) occurring over five days, compared to September's 29 mm (1.1 in) over six days. Additionally, June has a higher humidity level at 71%, making it feel more muggy compared to the 54% humidity in September. For a closer look at the weather specifics in June, you can explore Sorocaba weather in June.
When comparing the weather in September and July, it’s evident that September tends to be warmer and drier. September boasts a minimum temperature of 9°C (49°F) and an average of 22°C (72°F), reaching a maximum of 37°C (99°F) with an overall precipitation of 29 mm (1.1 in) across 6 days. In contrast, July has cooler temperatures, with a minimum of 2°C (36°F), an average of 18°C (64°F), and a maximum of 31°C (88°F). July also sees less precipitation, with only 22 mm (0.9 in) over just 2 days, but a higher humidity level of 67%. For more details about July's weather in Sorocaba, you can check Sorocaba weather in July.
In September, the weather warms up slightly compared to August, with minimum temperatures rising from 7°C (44°F) to 9°C (49°F) and average temperatures increasing from 19°C (66°F) to 22°C (72°F). The maximum temperature also climbs higher, reaching 37°C (99°F) in September, compared to a peak of 34°C (93°F) in August. Precipitation decreases in September to 29 mm (1.1 in) over 6 days, while August sees more rainfall at 47 mm (1.8 in) over just 5 days. Additionally, humidity levels drop slightly from 59% in August to 54% in September. For more details on the August weather, you can visit Sorocaba weather in August.
September and October exhibit some notable differences in weather patterns. While September features a minimum temperature of 9°C (49°F) and an average of 22°C (72°F), October begins with a slightly higher minimum of 12°C (54°F). Both months share the same average temperature of 22°C (72°F), but October sees a rise in maximum temperatures, reaching up to 39°C (103°F) compared to September's peak of 37°C (99°F).
Precipitation also intensifies in October, with a total of 91 mm (3.6 in) over 12 days, contrasting sharply with September's 29 mm (1.1 in) over just 6 days. This leads to a marginally lower humidity level in October at 50%, compared to September's 54%. For a more detailed look at what to expect, check out Sorocaba weather in October.
September and November offer notable contrasts in weather, despite sharing an average temperature of 22°C (72°F). September features a wider temperature range, with minimums dropping to 9°C (49°F) and maximums reaching 37°C (99°F). In comparison, November shows a slightly milder minimum temperature of 12°C (53°F) and a maximum of 36°C (97°F). Precipitation also varies significantly; September experiences 29 mm (1.1 in) of rain over 6 days, while November sees a substantial increase to 99 mm (3.9 in) across 11 rainy days, resulting in higher humidity levels of 74%. For more detailed information, you can check Sorocaba weather in November.
In September, the weather is generally warm with average temperatures around 22°C (72°F) and daytime highs reaching up to 37°C (99°F). The month experiences relatively low precipitation, totaling only 29 mm (1.1 in) over about 6 days, and humidity levels hover around 54%. In contrast, December brings a slightly warmer average temperature of 24°C (75°F) with similar maximum temperatures of 37°C (98°F). However, December is significantly wetter, with precipitation increasing to 114 mm (4.5 in) across 15 days, and humidity rising to a noticeable 83%. For more detailed information, you can check Sorocaba weather in December.
September in Sorocaba brings a noticeable shift in weather, marking the transition from the cooler winter months to the warmer spring season. Daytime temperatures can soar, prompting some hot days, while evenings can still feel refreshingly cool. With an average temperature hovering around a comfortable 22°C, this month typically experiences less precipitation compared to the heavier rains of earlier months, yet still sees occasional showers that refresh the landscape. The humidity remains moderate, ensuring that while the heat can be intense, it’s not overwhelming. As Sorocaba begins to bloom into spring, the improved weather invites outdoor activities and a renewed appreciation for nature. For a deeper dive into the annual weather patterns, explore Sorocaba Climate.