Last updated: August 21, 2025
September in Juiz de Fora, Brazil, showcases a delightful transition into spring, characterized by an average temperature of 21°C (70°F), with peaks reaching a maximum of 34°C (94°F) on warmer days. Nights can bring a refreshing chill, with temperatures dipping to a minimum of 11°C (51°F). While the month experiences about 54 mm (2.1 in) of precipitation over roughly 7 days, the overall humidity averages a comfortable 63%, adding to the pleasant and invigorating atmosphere. This combination of warmth and occasional rain creates a vibrant backdrop for the region's blooming landscapes and outdoor activities.
In September, Juiz de Fora experiences a delightful transition as temperatures begin to warm up, making it an inviting time of year. The minimum temperature rises to a comfortable 11°C (51°F), while daytime averages reach a pleasant 21°C (70°F). Notably, the maximum temperature can soar to 34°C (94°F), echoing the lingering warmth of the winter months while hinting at the approaching heat of summer. This month marks a shift from the cooler, crisper conditions of August, with a gradual increase in warmth and a refreshing balance that encourages outdoor exploration and vibrant city life.
September in Juiz de Fora brings a subtle shift in precipitation patterns, as the city experiences an average of 54 mm (2.1 in) of rain over seven days. While this marks a slight increase from the dryer months of July and August, it is significantly lower compared to the deluge of October and November, when rain levels soar. The early spring month serves as a gentle transition, bridging the dry spells with the onset of more typical rainy seasons. This trend highlights Juiz de Fora’s dynamic climate, where the anticipation of more substantial rainfall begins to build, paving the way for the lush, vibrant landscapes that follow.
In September, the humidity in Juiz de Fora, Brazil experiences a notable decline, averaging around 63%. This drop marks the beginning of a trend towards drier conditions as the Brazilian spring arrives. Following the peak humidity levels seen in the earlier months, such as 87% in March, September's lower humidity signals a gradual easing of the intense moisture typical of the region's summer. This shift aligns with the overall seasonal pattern, where humidity continues to decrease into the drier months ahead, reaching as low as 48% in October. As the seasons transition, residents can expect a refreshing change from the summer's heavy air, paving the way for more comfortable outdoor activities.
As September rolls into Juiz de Fora, the UV Index reaches 12, categorizing exposure as extreme with a burn time of just 10 minutes. This marks a continuation of the high UV levels seen throughout the year, reflecting a notable trend where the region experiences consistently high to extreme ratings from January through April, followed by a slight dip in May and June. However, as winter gives way to spring, the UV Index rises once again, indicating that sun safety remains a priority in this vibrant Brazilian city. With a strong reminder to protect your skin, September serves as a crucial month to stay vigilant against harmful UV rays. For more detailed insights, check the full report on the Juiz de Fora UV Index.
UV Risk Categories
As September graces Juiz de Fora, Brazil, it brings a delightful glow with 296 hours of sunshine, marking it among the sunniest months of the year. This vibrant month follows a summer pattern, not only outperforming the preceding months of August (268 hours) and July (290 hours), but also showcasing a notable rebound from the cooler, cloudier days of winter, seen in June's 270 hours. With the sun shining brightly, residents soak in the warmth and energy that transitions seamlessly into the vibrant spring, making September a time of renewal and optimism in this lively city. The upward trend in sunlight hours hints at a bright future, inviting both locals and visitors to revel in the beauty of the season.
In Juiz de Fora, Brazil, September offers a promising 44% chance of sunny weather, positioning it as one of the more favorable months for sunshine as winter transitions into spring. This moderate likelihood reflects a consistent trend observed since the peak sunny days seen in July (71%) and a slight decline from the previous months, notably August (50%). As the region moves from the cooler months, the sunshine potential tends to stabilize, making September a pleasant time to enjoy outdoor activities, especially as the days grow longer and warmer. Nonetheless, the forthcoming months, particularly October, are forecasted to dip to a mere 10% chance of sunny skies, urging sun-seekers to take advantage of September's favorable weather while it lasts.
In September, Juiz de Fora, Brazil enjoys approximately 11 hours of daylight, maintaining the moderate amounts seen in the preceding months of July and August. This stable daylight duration hints at the transition into the longer days of spring, with daylight gradually increasing as October approaches, promising a return to 12 hours of sunlight. The overall trend throughout the year reveals a gradual shift from longer summer days with up to 13 hours in January and November to the shorter winter months of June and July, where daylight dips to 10 hours. As daylight duration shifts, the rhythm of life in Juiz de Fora reflects the changing seasons, making September a comfortable month that bridges the cooler winter into the warmer, sunnier days ahead.
As September arrives in Juiz de Fora, Brazil, the air becomes noticeably crisper, ushering in gentler breezes that average 2.4 m/s (5 mph). This marks a subtle uptick from August's 2.2 m/s (5 mph), establishing a trend of increasing wind speeds as the year progresses toward spring. While the early months of the year experienced calmer winds, consistently ranging between 1.6 m/s (3 mph) and 2.1 m/s (5 mph), September signals a refreshing shift. Following the gradual rise in wind speed observed in the late winter and early spring months, this seasonal change beckons adventure and outdoor activities, making September an enticing time for residents and visitors alike. As October approaches, the winds are expected to strengthen further, hinting at an invigorating transition into the new season.
Weather in Juiz de Fora varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Juiz de Fora, focusing on differences in temperature, rainfall, humidity, and UV levels.
In comparing the weather between September and January, it is clear that January tends to be warmer and more humid. September experiences a minimum temperature of 11°C (51°F) and averages around 21°C (70°F), reaching a maximum of 34°C (94°F). In contrast, January has a higher minimum temperature of 17°C (64°F) with an average of 24°C (76°F), while still peaking at the same maximum of 34°C (94°F). Precipitation also plays a significant role; September sees 54 mm (2.1 in) over 7 days, while January receives a substantial 193 mm (7.6 in) across 17 days, contributing to its higher humidity level of 83% compared to September's 63%. For more details on January's weather, you can visit Juiz de Fora weather in January.
In September, the weather is characterized by milder temperatures, with a minimum of 11°C (51°F) and an average of 21°C (70°F), reaching highs of up to 34°C (94°F). There is moderate precipitation during this month, totaling 54 mm (2.1 in) over about 7 days, coupled with a humidity level of 63%. In contrast, February experiences warmer and more humid conditions, with temperatures ranging from a minimum of 16°C (62°F) to an average of 23°C (75°F), also peaking at 34°C (93°F). However, it brings significantly more rainfall, accumulating 326 mm (12.8 in) over 21 days and higher humidity at 85%. For a detailed look at the weather in February, you can visit Juiz de Fora weather in February.
September and March present distinct weather patterns, showcasing a transition from late winter to early spring. In September, temperatures range from a comfortable minimum of 11°C (51°F) to a maximum of 34°C (94°F), with an average of 21°C (70°F). The month experiences relatively less rainfall, totaling 54 mm (2.1 in) over about 7 days, and humidity levels are moderate at 63%. In contrast, March features slightly warmer temperatures, with a minimum of 14°C (57°F), an average of 23°C (74°F), and a maximum of 33°C (92°F). However, it sees a significant increase in precipitation, totaling 232 mm (9.2 in) over 19 days, resulting in higher humidity levels at 87%. For more detailed insights, visit Juiz de Fora weather in March.
In comparing September and April weather, both months share a similar average temperature of around 21°C (70°F), though September enjoys a slightly warmer maximum of 34°C (94°F) compared to April's 32°C (91°F). The minimum temperatures are quite close as well, with September starting at 11°C (51°F) and April at 12°C (53°F). However, April experiences more precipitation, totaling 66 mm (2.6 in) over 12 days, compared to September's 54 mm (2.1 in) over just 7 days. Additionally, April's higher humidity at 86% contrasts with September's 63%, leading to a more muggy atmosphere. For a more detailed look at April weather, check out Juiz de Fora weather in April.
In September, the weather tends to be warmer, with temperatures ranging from a minimum of 11°C (51°F) to a maximum of 34°C (94°F), resulting in an average of 21°C (70°F). In contrast, May experiences cooler temperatures, with a minimum of 7°C (44°F) and a maximum of 30°C (87°F), averaging 19°C (67°F). Both months see similar levels of precipitation, around 54 mm (2.1 in) in September and slightly higher at 56 mm (2.2 in) in May, with precipitation occurring over approximately 7 days in each month. However, May has significantly higher humidity at 82%, compared to 63% in September. For more details on the weather specifics in May, you can visit Juiz de Fora weather in May.
September and June present distinct weather characteristics, reflecting the transition from winter to spring in the southern hemisphere. In September, temperatures range from a minimum of 11°C (51°F) to a maximum of 34°C (94°F), with an average of 21°C (70°F). The month experiences more precipitation, totaling 54 mm (2.1 in) over about 7 days, and humidity levels sit at a moderate 63%. In contrast, June has cooler temperatures, with a minimum of 9°C (48°F), an average of 19°C (66°F), and a maximum of 30°C (86°F). This month is drier, with only 20 mm (0.8 in) of rain falling across 4 days, but it experiences higher humidity at 82%. For more insights, check out Juiz de Fora weather in June.
When comparing the weather in September to July, we see notable differences in temperatures and humidity levels. September features a wider temperature range, with minimums of 11°C (51°F) and maximums reaching up to 34°C (94°F), while July has cooler temperatures, with minimums at 6°C (43°F) and maximums of 29°C (85°F). Additionally, September experiences higher precipitation at 54 mm (2.1 in) over 7 days, compared to July’s lighter rainfall of 14 mm (0.5 in) over just 3 days. Humidity is also higher in July at 77%, as opposed to September's 63%. For a more detailed look at the weather in July, you can visit Juiz de Fora weather in July.
In comparing the weather between August and September, September generally experiences warmer temperatures, with a minimum of 11°C and an average of 21°C, compared to August's lower minimum of 5°C and average of 18°C. The maximum temperatures also rise, reaching up to 34°C in September, while August peaks at 31°C. Additionally, September sees increased precipitation at 54 mm over 7 days, compared to 39 mm over 6 days in August. Humidity is slightly lower in September at 63% compared to August's 72%, making the air feel a bit more comfortable. For more details, you can check out Juiz de Fora weather in August.
In comparing the weather patterns between September and October, it's clear that October experiences slightly warmer temperatures, with average highs reaching 35°C (96°F) compared to September's max of 34°C (94°F). The mornings are also milder, with a minimum temperature increase from 11°C (51°F) in September to 13°C (55°F) in October. However, October is significantly wetter, with precipitation escalating to 155 mm (6.1 in) over 19 days, compared to September's 54 mm (2.1 in) over just 7 days. Additionally, humidity levels decrease in October to 48%, providing a drier feel despite the increased rainfall. For more detailed information, you can check Juiz de Fora weather in October.
In September, the weather typically features a comfortable range of temperatures, with a minimum of 11°C (51°F) and an average of 21°C (70°F). The month sees some warm peaks, reaching up to 34°C (94°F), and experiences relatively low precipitation at 54 mm (2.1 in) over about 7 days, with humidity levels around 63%.
In contrast, November exhibits slightly warmer overall temperatures, with a minimum of 12°C (54°F) and an average of 22°C (71°F), while still reaching a maximum of 34°C (93°F). However, November is significantly wetter, recording 250 mm (9.8 in) of rainfall over 21 days, and maintaining a similar humidity level of 61%. For further details, you can check the full breakdown of Juiz de Fora weather in November.
In comparing the weather between September and December, we see a notable increase in overall precipitation and humidity. September experiences a moderate climate with temperatures ranging from a minimum of 11°C (51°F) to a maximum of 34°C (94°F) and averages around 21°C (70°F), along with 54 mm of rainfall over about 7 days. In contrast, December's weather is generally warmer, with temperatures fluctuating between a minimum of 13°C (56°F) and a maximum of 34°C (93°F), averaging 23°C (74°F). However, December is significantly wetter, receiving 311 mm of rain over 23 days, leading to increased humidity at 68%. For more detailed insights into December's weather, you can visit Juiz de Fora weather in December.
September in Juiz de Fora brings a delightful transition into warmer weather, showcasing a unique blend of comfortable temperatures and refreshing rainfall. As the maximums edge towards the high 30s, the pleasant averages invite locals and visitors alike to enjoy the outdoors. While the humidity hovers around a moderate level, the sporadic showers—typically spanning about a week—create a vibrant atmosphere, setting the stage for the lush landscapes of spring. This month stands out from the cooler, dryer winter months, making it an ideal time for exploring the city's natural beauty and celebrating its culture. For a deeper understanding of how September fits into the broader picture of Juiz de Fora's climate, check out Juiz de Fora Climate.