Last updated: August 21, 2025
September in Pacaembu, Brazil offers a dynamic climate, characterized by a striking maximum temperature reaching 41°C (106°F), while the average settles at a comfortable 27°C (81°F). This month showcases the city’s warm character, with temperatures dipping to a minimum of 13°C (55°F) during cooler nights. Despite a relatively low precipitation amount of 25 mm (1.0 in) spread across just 4 days, humidity remains at a moderate 33%, providing a refreshing feel amidst the warmth. September invites both locals and visitors to enjoy Pacaembu's vibrant atmosphere as it transitions through early spring.
In September, Pacaembu experiences a notable shift in temperatures, marking the transition to warmer days. With a minimum temperature of 13°C (55°F) and an average of 27°C (81°F), the region begins to shake off the cooler months and embrace the heat of late spring. The peak temperatures can soar to an impressive 41°C (106°F), making it one of the hottest months of the year. This seasonal change not only signifies rising warmth but also hints at the vibrant energy of the Brazilian landscape awakening, as residents and visitors alike prepare for outdoor adventures and festivities in the inviting sun. The moderate nights provide a comfortable contrast, underlining the dynamic climate that characterizes Pacaembu in September.
In September, Pacaembu, Brazil experiences a modest uptick in precipitation, matching August with 25 mm (1.0 in) of rain over the course of four days. This marks a notable shift from the dry spell seen in the preceding months, such as July, which recorded a mere 8 mm (0.3 in) on just one day. As the region transitions into the more humid and active rainy season that begins in October—with a significant rise to 123 mm (4.8 in)—September serves as a gentle precursor, hinting at the forthcoming deluge. This gradual increase in rainfall not only revitalizes the local landscape but also sets the stage for a vibrant October, contributing to Pacaembu's lush post-dry season rejuvenation.
In Pacaembu, Brazil, September marks a significant shift in humidity levels, with the average dropping to a refreshing 33%, the lowest of the year. This decline follows a sustained pattern of decreasing humidity from the peak experienced in the earlier months, where January and February saw a high of 84% and 85%, respectively. As the year progresses into the drier months, this trend continues, with August already exhibiting a notable 38% humidity. The transition into September signals a clear move towards a more arid climate, setting the stage for the even drier October at 31%. Following the brief respite of increased moisture in November and December, humidity levels will soon rise again, illustrating the dynamic nature of Pacaembu's seasonal climate.
In September, Pacaembu, Brazil, experiences a notable UV Index of 12, categorizing the exposure as extreme and resulting in a quick burn time of just 10 minutes. This marks a subtle rise from August's very high UV Index of 10, illustrating a trend of increasing sun intensity as the region transitions into spring. The consistency of extreme UV exposure continues into the following months, with similar readings in October and November. It's essential for locals and visitors alike to remain vigilant and adopt sun protection strategies during this peak UV season to safeguard their skin. For more information on UV levels, check out Pacaembu UV Index.
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As September rolls into Pacaembu, Brazil, the sun shines brightly, contributing an impressive 315 hours of daylight—a pleasant uptick from the previous month's total. This month fits snugly into a trend of increasing sunshine that begins in the early year and extends towards the end, peaking in December with 337 hours. With September nestled between August and October, both boasting their own generous hours of sunlight, residents can relish in the gradual transition into spring. This consistent increase not only enhances the vibrant atmosphere of Pacaembu but also invites opportunities for outdoor activities and community gatherings, celebrating nature's warmth just as summer approaches its zenith.
In Pacaembu, Brazil, September offers a promising 65% chance of sunny weather, making it one of the more favorable months for those seeking sun. This marks a slight decline from the peak sunny months of July and August, which enjoy probabilities of 79% and 72%, respectively. As the seasons transition, September balances the warmth of late winter with the beginnings of spring, maintaining relatively high chances for clear skies. Notably, after the sunnier summer months, the likelihood of sun begins to dip in October and November, where chances drop to 42% and 41%. Overall, September stands out as an attractive time for outdoor activities, falling right in the middle of a generally sunny trend that characterizes the earlier part of the year.
In Pacaembu, Brazil, September marks the transition from the darker winter months to the more illuminated days of spring. With approximately 11 hours of daylight, this month reflects a consistency seen since the start of the year, where daylight duration has gradually tapered off from a peak in January. After spending several months with shorter days, September offers a hint of brightness, setting the stage for the increase in daylight that follows in October and November, when the sun graces the region with up to 13 hours. This trend of gradually lengthening days not only enhances the vibrancy of the landscape but also lifts the spirits of residents, inviting them to embrace the milder sunshine and the promise of warmer days ahead.
As September sweeps into Pacaembu, Brazil, it brings a gentle breeze with an average wind speed of 3.0 m/s (7 mph)—a delightful transition from the slightly stronger gusts of August. The wind has gradually picked up since the cooler months, reflecting an upward trend through the late winter as it meanders from 2.2 m/s in January to a notable 3.2 m/s in August. Although September’s winds are slightly calmer than those of August, they still signal the onset of spring, hinting at the warmth just around the corner. This consistent rise in wind speed not only enhances the region's charm but also serves as a reminder of the changing seasons, embodying the vibrant spirit of Pacaembu.
Weather in Pacaembu varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Pacaembu, focusing on differences in temperature, rainfall, humidity, and UV levels.
In September, the weather typically showcases a warm range with minimum temperatures around 13°C (55°F) and averages peaking at 27°C (81°F), with maximums reaching up to 41°C (106°F). This month generally experiences low humidity at 33%, minimal precipitation of about 25 mm (1.0 in) over just 4 days. In contrast, January presents a different climate, with milder minimum temperatures of 20°C (68°F) and an average of 26°C (80°F). However, it brings significantly more rainfall, totaling 174 mm (6.9 in) spread over 18 days, contributing to a much higher humidity level at 84%. For a detailed look into January weather, you can check Pacaembu weather in January.
September and February showcase contrasting weather patterns. In September, temperatures range from a minimum of 13°C (55°F) to a maximum of 41°C (106°F), with an average of 27°C (81°F). This month experiences relatively low humidity at 33% and only a few days of precipitation, totaling 25 mm (1.0 in). In stark contrast, February sees milder temperatures, with a minimum of 17°C (63°F) and a maximum of 36°C (98°F), averaging 26°C (80°F). However, it is significantly wetter, with precipitation reaching 157 mm (6.2 in) over 17 days and high humidity at 85%. For more details, check out Pacaembu weather in February.
September and March offer quite contrasting weather conditions. In September, temperatures can soar to a maximum of 41°C (106°F) with an average of 27°C (81°F) and a relatively low humidity level of 33%. This month typically experiences minimal precipitation, with only about 25 mm (1.0 in) over just 4 days. In contrast, March brings milder temperatures, with a maximum of 37°C (98°F) and an average of 26°C (80°F), but it is remarkably wetter, receiving 109 mm (4.3 in) of rain over approximately 16 days, and the humidity spikes to 84%. For more details on the weather in March, you can refer to this link: Pacaembu weather in March.
In September, the weather tends to be warmer, with average temperatures around 27°C (81°F) and maximums reaching up to 41°C (106°F). The month experiences relatively low humidity at 33% and minimal precipitation, totaling just 25 mm (1.0 in) over about 4 days. In contrast, April offers a milder climate with average temperatures of 25°C (77°F) and highs peaking at 37°C (99°F). However, it sees more rainfall, accumulating 64 mm (2.5 in) over approximately 5 days, alongside higher humidity levels at 76%. For more details about the April weather, you can refer to Pacaembu weather in April.
In September, the weather leans towards the hot side, with average temperatures reaching 27°C (81°F) and maximums soaring up to 41°C (106°F), accompanied by low humidity at 33%. In contrast, May experiences cooler temperatures, with an average of 22°C (72°F) and maximums of 33°C (93°F), yet higher humidity levels reaching 60%. Additionally, May sees more rainfall, with 43 mm (1.7 in) over 4 days compared to September's 25 mm (1.0 in) also over 4 days. For more details on the weather in May, you can check Pacaembu weather in May.
September presents a more extreme weather profile compared to June, featuring higher temperatures with an average of 27°C (81°F) and maximums reaching up to 41°C (106°F). In contrast, June offers milder conditions, with an average temperature of 22°C (71°F) and a maximum of 33°C (92°F). While September experiences slightly more rainfall at 25 mm (1.0 in) over 4 days, June has a bit less precipitation at 20 mm (0.8 in) over just 3 days. Additionally, humidity levels are notably lower in September at 33%, compared to a more humid June at 48%. For more details on the weather in June, you can check Pacaembu weather in June.
When comparing the weather in September and July, September experiences significantly warmer temperatures, with a minimum of 13°C (55°F) and an average of 27°C (81°F), reaching highs of up to 41°C (106°F). In contrast, July has cooler temperatures, ranging from a minimum of 4°C (40°F) to an average of 21°C (70°F), with a maximum of 33°C (92°F). Additionally, September sees more precipitation overall, averaging 25 mm (1.0 in) over 4 days, compared to July's much drier conditions with only 8 mm (0.3 in) of rain on just 1 day. Interestingly, July also has a higher humidity level at 44%, while September is relatively drier at 33%. For more detailed insights, you can check out Pacaembu weather in July.
In comparing the weather between August and September, notable differences emerge in both temperature and humidity levels. September experiences a higher minimum temperature of 13°C (55°F) compared to August's cooler 7°C (46°F), and the average temperature rises to 27°C (81°F) from August's 23°C (73°F). The maximum temperatures also peak higher in September at 41°C (106°F), whereas August culminates at 37°C (99°F). Precipitation remains consistent in both months, totaling 25 mm (1.0 in) over four rainy days, but September displays slightly lower humidity at 33%, compared to August's 38%. For further details about the weather in August, you can visit Pacaembu weather in August.
September and October present a notable transition in weather patterns. In September, temperatures range from a minimum of 13°C (55°F) to a maximum of 41°C (106°F), with an average temperature of 27°C (81°F). The month experiences relatively low precipitation of 25 mm (1.0 in) over just four days, along with a humidity level of 33%.
In contrast, October sees a slight increase in minimum temperature at 15°C (58°F) and a maximum of 42°C (108°F), with an average temperature of 26°C (80°F). However, it also experiences a significant rise in precipitation, totaling 123 mm (4.8 in) across 11 days, albeit with a modest decrease in humidity to 31%. This change highlights a shift towards more rain and slightly cooler average conditions as the month progresses. To learn more about specific weather conditions, check Pacaembu weather in October.
September and November show notable differences in weather patterns. September boasts warmer temperatures, with highs reaching up to 41°C (106°F) and a relatively low humidity of 33%. In contrast, November experiences slightly cooler maximum temperatures at 39°C (103°F) but has a higher minimum temperature of 15°C (59°F). Additionally, November sees a significant increase in precipitation, totaling 114 mm (4.5 in) over 12 days, compared to September's modest 25 mm (1.0 in) across just 4 days. For those interested in the specific weather conditions of November, more details can be found here: Pacaembu weather in November.
In September, the weather is characterized by warmer temperatures, with minimums around 13°C (55°F) and average highs reaching 41°C (106°F). The month sees relatively low precipitation, totaling 25 mm (1.0 in) across just 4 days, and a lower humidity level of 33%. In contrast, December experiences milder temperatures, with minimums around 17°C (63°F) and an average high of 37°C (99°F). However, it brings significantly more rainfall, with 187 mm (7.4 in) spread over 18 days, leading to a much higher humidity level of 82%. For a closer look at the December weather specifics, check out Pacaembu weather in December.
September in Pacaembu marks a noticeable shift from the winter chill of previous months, bringing warmer temperatures and a hint of seasonal change. The average warmth climbs to a comfortable level, making the days feel pleasant, especially compared to the cooler nights. While the month does experience some rainfall, it’s significantly less frequent than in the rainy season, typically allowing for more sunny days to enjoy the outdoors. With humidity levels at a relatively low 33%, the weather is quite agreeable for those looking to explore. For a deeper dive into the climate trends and unique characteristics of this vibrant location, check out Pacaembu Climate.