Last updated: August 21, 2025
In September, Passa Quatro, Brazil, experiences a mild climate with an average temperature of 20°C (69°F), peaking at 32°C (90°F) during the day and dipping to a cooler 8°C (47°F) at night. This month sees an average precipitation of 53 mm (2.1 in) spread over approximately 8 days, contributing to a relatively moderate humidity level of 58%. Whether you're planning outdoor activities or simply enjoying the beauty of this unique destination, September’s weather offers a pleasant backdrop perfect for exploration.
In Passa Quatro, Brazil, September marks a delightful transition into spring, presenting a charming mix of warm days and cooler nights. The temperatures range from a minimum of 8°C (47°F) to a maximum of 32°C (90°F), with a comfortable average of 20°C (69°F). This month showcases a slight rise from the cooler winter months, as the days grow longer and the sun's warmth becomes more pronounced, hinting at the vibrant days of summer ahead. With a notable increase in daytime highs from the previous months, September creates an inviting atmosphere perfect for outdoor adventures and exploring the stunning natural beauty of the region.
In September, Passa Quatro experiences a moderate precipitation level of 53 mm (2.1 inches), falling within its typical transitionary phase as the dry season wanes. This month is characterized by eight rainy days, maintaining the trend of increased precipitation compared to the preceding months of July and August, which saw just 18 mm (0.7 in) and 56 mm (2.2 in), respectively. Observing the yearly pattern, September serves as a prelude to the wetter months ahead, notably October and December, where precipitation escalates considerably, peaking at 238 mm (9.4 in). This gradual build-up hints at the approaching rainy season, painting a picturesque image of the region's climate dynamics as nature prepares for a nourishing downpour.
As September rolls into Passa Quatro, Brazil, the humidity continues its remarkable downward trend, dropping to 58%. This change marks a significant decline from the summer months, where humidity levels soar above 88%, reminding residents of the sultry days that have just passed. Following the peak humidity seen in the earlier months, there's a noticeable transition towards drier conditions that continues into October with a further dip to 50%. This gradual decrease in humidity not only brings a welcome relief from the heavy, tropical feel of the rainy season, but also signals the onset of more comfortable weather, paving the way for enjoyable outdoor activities as the region prepares for the transition into spring.
In September, Passa Quatro, Brazil, experiences a UV Index of 12, categorized as extreme, with a quick burn time of just 10 minutes. This aligns with a general trend observed throughout the year, where the UV Index frequently peaks during the earlier months, particularly reaching a high of 16 in both January and February. Following a slight dip in the middle of the year, the UV levels rebound as October approaches, climbing to 14, which suggests a seasonal increase in UV intensity during late winter and early spring. It's essential for residents and visitors to remain vigilant about sun exposure as they venture outdoors in September. For detailed insights and daily updates on UV levels, check Passa Quatro UV Index.
UV Risk Categories
In September, Passa Quatro, Brazil, basks in a splendid 306 hours of sunshine, marking one of the sunniest months of the year. This delightful surge in sunlight follows a vibrant July, which recorded the highest total at 307 hours, and blends seamlessly with the abundant rays of late summer that linger from August's 287 hours. As the days grow longer, the consistent hours of sunshine from May through September showcase a gentle upward trend, enhancing the region's allure for outdoor adventures and relaxation. Following this sunny peak, the days gradually shorten, with October's 274 hours hinting at the gentle transition towards the cooler months ahead.
In Passa Quatro, Brazil, the likelihood of sunny weather in September offers a pleasant reprieve with a solid 52% chance of sunshine. As the month follows the more variable conditions of winter, it coincides with an upward trend that peaks in July, showcasing the region's transition into a more favorable climate. This trend highlights a gradual increase in sunny days from the early months, with notable improvements as spring approaches. Interestingly, September maintains its sunny disposition, holding steady when compared to the preceding months of August and October. This blend of moderate sunshine and comfortable temperatures makes September a delightful time for outdoor activities in this charming Brazilian locale.
In Passa Quatro, Brazil, September marks a delightful transition in daylight, with 11 hours of sun illuminating the days. Building on the consistency of the previous months, September maintains the same daylight duration observed in August. This month falls near the tail end of a gradual descent in daylight that begins in March, dipping to a low of 10 hours in June and July. However, as spring approaches in the Southern Hemisphere, daylight begins its ascent again towards the longer hours of October and November, which each enjoy 12 and 13 hours of brightness, respectively. This steady rhythm of daylight showcases the beauty of seasonal cycles in Passa Quatro, inviting both residents and visitors to enjoy the relaxing embrace of early spring days.
As September arrives in Passa Quatro, Brazil, the winds begin to carry a refreshing vibrancy, with average speeds reaching 1.7 m/s (4 mph). This gentle increase marks a notable trend, as wind speeds have gradually climbed from 1.3 m/s (3 mph) at the start of the year, reflecting the changing seasons. Notably, the summer months see a steady rise, peaking in September before slightly tapering off in October and remaining consistent through November. This incremental shift in wind activity not only enhances the region's pleasant ambiance but also signals the onset of a delightful transition into spring, inviting both locals and visitors to relish the invigorating breezes that sweep through the landscape.
Weather in Passa Quatro varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Passa Quatro, focusing on differences in temperature, rainfall, humidity, and UV levels.
September and January showcase distinct weather patterns. In September, temperatures range from a cool minimum of 8°C (47°F) to a warm maximum of 32°C (90°F), with an average of 20°C (69°F). The month experiences moderate rainfall of 53 mm (2.1 in) across 8 days, along with a humidity level of 58%. Conversely, January offers milder conditions with a minimum temperature of 15°C (60°F) and an average of 23°C (73°F), peaking at 32°C (89°F). However, it is significantly wetter, receiving 177 mm (7.0 in) of precipitation over 18 days and a substantially higher humidity level of 88%. For more details on January’s weather, check out Passa Quatro weather in January.
September and February present quite different weather patterns. In September, temperatures range from a minimum of 8°C (47°F) to a maximum of 32°C (90°F), with an average temperature of 20°C (69°F). The month sees an average precipitation of 53 mm (2.1 in) over about 8 days, accompanied by a moderate humidity level of 58%. In contrast, February experiences milder temperatures, with a minimum of 15°C (59°F) and a maximum of 33°C (92°F), resulting in an average temperature of 22°C (72°F). However, it is significantly wetter, receiving 187 mm (7.4 in) of rain over 19 days, and experiences higher humidity at 88%. For more detailed weather insights, you can check Passa Quatro weather in February.
September and March exhibit notable differences in weather patterns. In September, temperatures range from a minimum of 8°C (47°F) to a maximum of 32°C (90°F), with an average of 20°C (69°F). The month sees around 53 mm (2.1 in) of precipitation over 8 days and has a humidity level of 58%. In contrast, March features warmer temperatures, with a minimum of 13°C (56°F) and a maximum of 31°C (88°F), averaging 22°C (72°F). Additionally, March experiences significantly higher rainfall at 145 mm (5.7 in) over 17 days and a humidity level of 87%. For more detailed information, you can check Passa Quatro weather in March.
When comparing the weather in September and April, both months display similar average temperatures, hovering around 20°C (68°F). However, September experiences slightly higher maximum temperatures, reaching up to 32°C (90°F), compared to April's 30°C (86°F). While both months have a comparable number of rainy days, April sees a bit more precipitation, with 66 mm (2.6 in) compared to September's 53 mm (2.1 in), along with noticeably higher humidity levels at 84%. This makes April feel more humid and potentially more uncomfortable than September. For more details on April weather in the region, you can check Passa Quatro weather in April.
When comparing the weather in September and May, several key differences emerge. September features a wider temperature range, with minimums around 8°C (47°F) and maximums reaching up to 32°C (90°F), making it generally warmer than May, which sees minimums of 4°C (39°F) and a maximum of 28°C (82°F). Precipitation is slightly higher in September, with around 53 mm (2.1 in) falling over approximately 8 days, compared to May’s 43 mm (1.7 in) over 6 days. Additionally, September has a lower humidity level at 58%, while May experiences higher humidity at 79%. For more details on the specific conditions, you can check Passa Quatro weather in May.
In comparing the weather of September and June, September typically showcases a broader temperature range, with minimums of 8°C (47°F) and maximums reaching 32°C (90°F), leading to an average of 20°C (69°F). This month also experiences more precipitation, averaging 53 mm (2.1 in) over 8 days, while maintaining a humidity level of 58%. In contrast, June has slightly cooler temperatures, with minimums at 7°C (44°F) and maximums peaking at 27°C (82°F), resulting in an average of 17°C (63°F). Furthermore, June tends to be drier, with only 21 mm (0.8 in) of rainfall over 6 days and a higher humidity of 77%. For more specific details, you can check Passa Quatro weather in June.
When comparing the weather in July and September, there are notable differences in temperature, precipitation, and humidity. In September, temperatures range from a minimum of 8°C (47°F) to a maximum of 32°C (90°F), with an average of 20°C (69°F), making the month generally warmer. July, on the other hand, has a cooler range, with temperatures from 4°C (40°F) to 26°C (79°F) and an average of 16°C (61°F). Precipitation levels also differ significantly; September receives 53 mm (2.1 in) of rain over 8 days, while July experiences less rainfall at 18 mm (0.7 in) over just 3 days. Additionally, the humidity is higher in July at 72%, compared to 58% in September. For more detailed insights, you can check the weather specifics at Passa Quatro weather in July.
In comparing the weather between September and August, September tends to be warmer, featuring an average temperature of 20°C (69°F) compared to August's 17°C (63°F). The minimum temperature in September is also higher, resting at 8°C (47°F) versus August's 4°C (40°F), while both months share a similar maximum temperature, with September reaching 32°C (90°F) and August hitting 29°C (85°F). Precipitation levels remain quite similar, with September recording 53 mm (2.1 in) and August slightly higher at 56 mm (2.2 in), both displaying rainfall on about 8 days. However, humidity is a bit lower in September at 58%, compared to August's 65%. For more detailed information about the weather conditions in August, visit Passa Quatro weather in August.
September and October exhibit notable differences in weather patterns. September sees a temperature range from a minimum of 8°C (47°F) to a maximum of 32°C (90°F), with an average of 20°C (69°F) and 53 mm (2.1 in) of precipitation over 8 days. In contrast, October presents a slightly warmer climate, with temperatures ranging from a minimum of 11°C (53°F) to a maximum of 34°C (93°F), an average of 21°C (70°F), and significantly more rainfall totaling 139 mm (5.5 in) over 18 days. Additionally, humidity is slightly lower in October at 50%, compared to September's 58%. For more detailed insights, check out Passa Quatro weather in October.
September and November exhibit notable differences in weather patterns. In September, temperatures range from a minimum of 8°C (47°F) to a maximum of 32°C (90°F), with an average of 20°C (69°F). The month experiences about 53 mm (2.1 in) of precipitation over approximately 8 days, resulting in a relatively lower humidity of 58%. In contrast, November presents slightly milder temperatures, with a minimum of 10°C (50°F) and the same maximum of 32°C (90°F), while maintaining an average of 21°C (69°F). However, it sees a significant increase in precipitation, totaling 187 mm (7.4 in) over 19 days, which raises the humidity level to 75%. For more detailed information, check Passa Quatro weather in November.
In September, the weather in Passa Quatro is characterized by a wider temperature range, with minimums around 8°C (47°F) and maximums reaching up to 32°C (90°F). The average temperature hovers at a comfortable 20°C (69°F), accompanied by moderate humidity at 58% and relatively low precipitation of 53 mm (2.1 in) spread over 8 days.
By December, the conditions shift significantly; temperatures remain milder overall, with minimums around 11°C (52°F) and maximums reaching 31°C (89°F), while the average stays slightly higher at 22°C (71°F). However, December also brings increased rainfall, totaling 238 mm (9.4 in) over 23 days, and a notable rise in humidity to 80%. For more specific insights into December's climate, you can visit Passa Quatro weather in December.
As September rolls in, Passa Quatro experiences a delightful transition, marked by a noticeable drop in temperatures compared to the peak summer months. With an average warmth of 20°C, the days are pleasantly mild, while the nights cool down significantly, often dipping to a refreshing 8°C. This month also welcomes a moderate amount of precipitation, bringing life to the lush greenery, but still allows for plenty of sunny days. Humidity levels remain comfortable at 58%, enhancing the overall enjoyable experience of this charming location. For a deeper dive into the region's weather patterns throughout the year, explore the details at Passa Quatro Climate.