Last updated: August 21, 2025
In September, São Paulo, Brazil experiences a warm and humid climate, where maximum temperatures soar to 30°C (86°F), while average temperatures hover around 25°C (78°F). The city sees a minimum temperature of 22°C (72°F), ensuring pleasant evenings. However, residents should prepare for rain, as the month averages 54 mm (2.1 in) of precipitation over 21 days, resulting in an 80% humidity level. This combination of warmth and moisture creates an inviting atmosphere, perfect for exploring the vibrant culture and lush parks that abound in this bustling metropolis.
As September rolls into Paulista, Brazil, temperatures begin to show slight shifts towards the warmth of spring. With a minimum of 22°C (72°F) and an average of 25°C (78°F), the month marks a gentle transition from the cooler winter months. The peak temperatures reach up to 30°C (86°F), which signifies a rising trend from the consistently mild conditions of August. This gradual increase in warmth not only invites residents and visitors to enjoy outdoor activities but also hints at the vibrant summer days just around the corner. Overall, September offers a pleasant climate perfect for experiencing the local culture and beauty of Paulista.
In September, Paulista experiences a notable shift in precipitation patterns, with an average of 54 mm (2.1 in) of rainfall spread over 21 days. This marks a significant decrease compared to the wetter months that precede it, such as June and July, which consistently deliver over 140 mm of rain. As the dry season begins to take hold, September's rainfall trends indicate a transition toward more moderate conditions. This seasonal change, paired with the 21 rainy days, suggests that while the rain may be lighter, it continues to play a crucial role in maintaining the region's lush greenery and vibrant ecosystems as it moves into the drier months ahead.
In September, Paulista, Brazil, experiences a slight dip in humidity, with levels averaging around 80%. This aligns with a subtle trend observed in the latter part of the year, where humidity begins to stabilize, hovering around the 80% mark from September through November. Notably, the early months of the year, particularly January through May, showcase much higher humidity levels, peaking at 86% in May. As the seasons transition, the drop in humidity hints at a more comfortable atmosphere, inviting both locals and visitors to enjoy the region’s vibrant landscapes with a welcome reduction in moisture.
In September, Paulista, Brazil, experiences an impressive UV Index of 13, categorized as extreme, with a rapid burn time of just 10 minutes. This marks a slight dip from the peak months of January to April, where the UV Index reached a maximum of 14. The trend continues into October, maintaining a high UV Index of 13. As the seasons shift, maintaining sun safety is crucial; always be mindful of your exposure, especially during these vibrant late-winter and early-spring days. For detailed insights on UV levels throughout the year, check the full Paulista UV Index.
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As September arrives in Paulista, Brazil, the sun continues to shine brightly, contributing to a remarkable 335 hours of sunshine this month. This figure reflects a slight dip from the peak of 351 hours in October but still showcases consistent solar abundance as the year transitions into spring. Throughout the year, there’s a noticeable upward trend in sunlight, peaking in December with 360 hours, providing a warm glow to the end of the year. With each passing month, from the lows of 287 hours in January to the vibrant stretch of late spring and early summer, these sunlit hours paint a picture of a region blessed by a generous sun, inviting locals and visitors alike to bask in the warmth of Paulista's enchanting climate.
As September rolls into Paulista, Brazil, residents and visitors can anticipate a notable increase in sunny weather, with the likelihood of clear skies reaching 58%—the highest so far this year. This upward trend in sunshine can be observed as the months progress; from a modest 33% in January to a peak of 51% in July, the chances of basking in the sun steadily rise. September marks a delightful transition, where the warmth of summer begins to assert itself, promising long, bright days that are perfect for outdoor activities. Following September, the chances remain relatively high into October and November, ensuring that the golden glow of sunshine can be enjoyed well into the season.
In September, Paulista, Brazil, enjoys 12 hours of daylight, marking a return to the longer days typical of early in the year. From January through March, the region basked in the same amount of daylight, but as April approached, a gradual reduction to 11 hours commenced, continuing through to August. This seasonal shift reflects a predictable pattern influenced by the Earth’s tilt and orbit, showcasing the unique rhythms of tropical climates. As October nears, daylight remains consistent at 12 hours, reaffirming September's role as a bridge back to the sun-soaked days of early summer, inviting both locals and visitors to relish the vibrant atmosphere of the region.
As September rolls into Paulista, Brazil, the breeze picks up with an average wind speed of 5.4 m/s (12 mph), a noticeable dip from the 6.1 m/s (14 mph) experienced in August. This shift marks a slight retracement in the wind's vigor following a month of robust gusts, yet still reflects a lively late-winter atmosphere that sets the stage for spring's approach. The winds remain brisk compared to the earlier months of the year, maintaining a refreshing edge that is often welcomed during this transition. Following the trend of increasing wind speeds from mid-year onwards, September's breezes hint at the climatic shifts to come, blending lingering winter coolness with the promise of warmer days ahead.
Weather in Paulista varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Paulista, focusing on differences in temperature, rainfall, humidity, and UV levels.
September and January display similar warm climates, but there are notable differences. In September, temperatures range from a minimum of 22°C (72°F) to a maximum of 30°C (86°F), with an average of 25°C (78°F). This month experiences average precipitation of 54 mm (2.1 in) spread across 21 days and a humidity level of 80%. Conversely, January is slightly warmer, with temperatures ranging from a minimum of 23°C (74°F) to a maximum of 31°C (87°F) and an average temperature of 27°C (81°F). The rainfall in January is slightly less, totaling 50 mm (2.0 in) over 16 days, but humidity remains high at 82%. For more specific insights, you can check out Paulista weather in January.
When comparing the weather in September and February, both months exhibit warm temperatures but with slight differences. In September, the minimum temperature is around 22°C (72°F), with an average of 25°C (78°F) and a maximum of 30°C (86°F). In contrast, February sees slightly higher temperatures, with a minimum of 24°C (76°F), an average of 27°C (82°F), and a maximum reaching 31°C (88°F).
Precipitation levels are also notable; September experiences 54 mm (2.1 in) of rain over 21 days, while February has a higher total of 76 mm (3.0 in) over 19 days. Both months maintain a high humidity level, with September at 80% and February slightly higher at 81%. For more detailed information on February weather, you can visit Paulista weather in February.
In September, temperatures in Paulista range from a minimum of 22°C (72°F) to an average of 25°C (78°F), reaching a maximum of 30°C (86°F), with an average humidity of 80%. The month sees around 54 mm (2.1 in) of precipitation spread over 21 days. In contrast, March experiences slightly warmer temperatures, with a minimum of 24°C (75°F), an average of 27°C (81°F), and a maximum of 32°C (89°F). This month is also wetter, receiving about 104 mm (4.1 in) of rainfall over 23 days, while maintaining a similar humidity level of 81%. For more detailed information, you can visit Paulista weather in March.
September and April display distinct weather characteristics. In September, temperatures range from a minimum of 22°C (72°F) to a maximum of 30°C (86°F), with an average of 25°C (78°F). The month sees 54 mm (2.1 in) of precipitation spread over 21 days, and humidity stands at a relatively high 80%. In contrast, April is slightly warmer, with temperatures ranging from a minimum of 24°C (75°F) to a maximum of 31°C (88°F) and an average of 27°C (81°F). It experiences significantly more rainfall, totaling 135 mm (5.3 in) over 24 days, and slightly higher humidity at 83%. For more detailed information, you can visit Paulista weather in April.
September and May share similar temperature ranges, with both months reaching maximums of 30°C (86°F). However, September typically has slightly cooler nights, with a minimum temperature of 22°C (72°F), compared to May's minimum of 23°C (73°F). While September enjoys an average temperature of 25°C (78°F) and experiences lower precipitation levels at 54 mm (2.1 in) over 21 days, May is considerably wetter, receiving 140 mm (5.5 in) of rain across 26 days. Additionally, humidity is higher in May at 86%, compared to September's 80%. For a more detailed look at May's weather, visit Paulista weather in May.
September and June present distinct weather patterns. In September, temperatures range from a minimum of 22°C (72°F) to a maximum of 30°C (86°F), with an average of 25°C (78°F). The month sees about 54 mm (2.1 in) of precipitation over 21 days, accompanied by a humidity level of 80%. In contrast, June tends to be slightly warmer, with temperatures ranging from a minimum of 23°C (73°F) to a maximum of 29°C (85°F) and an average of 26°C (78°F). However, it experiences significantly more rainfall, totaling 187 mm (7.4 in) over 26 days and a humidity of 83%. This makes June considerably wetter compared to September. For a deeper dive into the climate specifics, check out Paulista weather in June.
In comparing the weather of September and July, we find both months sharing similar minimum temperatures, averaging around 22°C (72°F). However, September tends to be slightly warmer, with an average temperature of 25°C (78°F) and maximums reaching 30°C (86°F), compared to July’s average of 25°C (77°F) and maximum of 28°C (83°F). Additionally, July experiences significantly higher precipitation levels, with 141 mm (5.5 in) over 25 days, whereas September has just 54 mm (2.1 in) over 21 days. Despite these differences, both months maintain relatively high humidity levels, around 80% for September and 81% for July. For those interested in more details, refer to Paulista weather in July.
In comparing the weather of August and September, we see a slight increase in maximum temperatures in September, with highs reaching 30°C (86°F) compared to August's 28°C (83°F). Both months have the same minimum temperature of 22°C (72°F), and September has a marginally higher average temperature of 25°C (78°F) versus August's 25°C (77°F). However, September experiences less precipitation overall, with 54 mm (2.1 in) of rain across 21 days, in contrast to August's 89 mm (3.5 in) over 24 days. Humidity levels remain similar, with September at 80% and August slightly higher at 81%. To learn more about weather specifics in August, you can visit Paulista weather in August.
In September, temperatures range from a minimum of 22°C (72°F) to a maximum of 30°C (86°F), with an average temperature of 25°C (78°F). The month experiences a total precipitation of 54 mm (2.1 in) across 21 days, while the humidity remains consistently high at 80%. In contrast, October sees a slight increase in minimum and average temperatures, reaching a low of 23°C (73°F) and an average of 26°C (80°F), while the maximum temperature remains steady at 30°C (85°F). Precipitation decreases to 44 mm (1.7 in) over 17 days, but humidity stays the same at 80%. For more detailed insights, visit Paulista weather in October.
In September, the weather tends to be warm with minimum temperatures averaging around 22°C (72°F) and maximums reaching up to 30°C (86°F). With an average of 54 mm (2.1 in) of precipitation spread over 21 days, humidity levels hover around 80%, contributing to a rather humid atmosphere. In contrast, November sees slightly warmer temperatures, with minimums increasing to 24°C (75°F) and averages at 27°C (81°F), while highs remain similar at 30°C (87°F). Precipitation decreases to 38 mm (1.5 in) over 15 days, and humidity remains fairly stable at 79%. For a detailed overview of November conditions, you can check Paulista weather in November.
In September, the weather features a minimum temperature of 22°C (72°F) and averages around 25°C (78°F), reaching a maximum of 30°C (86°F). This month experiences approximately 54 mm (2.1 in) of precipitation over 21 days, coupled with a humidity level of 80%. In contrast, December sees slightly warmer temperatures, with a minimum of 24°C (76°F), an average of 27°C (81°F), and a peak of 30°C (87°F). Precipitation decreases to about 41 mm (1.6 in) over 16 days, while humidity remains constant at 80%. For a detailed look at the weather in December, you can visit Paulista weather in December.
As September rolls into Paulista, the weather begins to showcase its unique charm, distinguishing itself from the sweltering summer months and the cooler ones that follow. With a pleasant average temperature lingering around 25°C, the days are comfortably warm, making it an ideal time for outdoor activities. However, be prepared for the increased humidity and a fair amount of rain, as September experiences more precipitation days than many other months, contributing to a lush and vibrant landscape. This transition into the rainy season heralds a significant shift, presenting a mix of sun-drenched afternoons and the refreshing coolness of evening showers, which can rejuvenate both the earth and its inhabitants. For a deeper dive into the weather patterns of this charming region, check out Paulista Climate.