Last updated: August 21, 2025
September in São Lourenço, Brazil is marked by warm temperatures and a touch of humidity, making it an inviting time for visitors. The maximum temperature can reach up to 32°C (90°F), while the average hovers around a pleasant 20°C (69°F). Nighttime can dip to a cool 8°C (46°F). Rainfall is moderate, with a total precipitation of 32 mm (1.2 in) spread across about 4 days, contributing to a humidity level of 58%. This combination of weather elements creates a vibrant atmosphere, perfect for exploring the natural beauty and charm of this picturesque locale.
In September, São Lourenço experiences a delightful transition as temperatures begin to warm up, signaling the approach of spring. With minimums around 8°C (46°F) and maximums soaring to 32°C (90°F), the average temperature cozying up to 20°C (69°F) creates a pleasant climate perfect for outdoor activities. This month marks a shift from the cooler winter months, as you can notice the mild rise from August's temperatures, making September an ideal time to explore the lush landscapes and enjoy the vibrant culture of this charming Brazilian destination. With sunny days becoming more frequent, visitors can revel in the beauty of nature while basking in the comfortable warmth that characterizes this time of year.
In September, Sao Lourenco experiences a slight uptick in rainfall, recording 32 mm (1.2 in) across four days. This marks a transition from the drier months of July and August, where precipitation was notably low. The increase in precipitation hints at the onset of the rainy season, setting the stage for more substantial downpours in the upcoming months. As temperatures begin to cool, October and November follow with significantly higher rainfall totals, illustrating a clear pattern of escalating precipitation as the year progresses into its wetter period. This shift not only enriches the local landscape but also invigorates the region's lush greenery, inviting a vibrant display of nature’s resilience.
In September, Sao Lourenco experiences a notable shift as humidity levels dip to 58%, marking one of the lowest points of the year. This decrease follows a gradual trend, with humidity steadily declining from 88% in January to 65% in August. The transition into early spring in September is characterized by this more comfortable, drier air, setting the stage for October's even lower average of 50%. As the year progresses, the stark decline in humidity highlights a shift from the dampness typical of the earlier months, making September an inviting time for outdoor activities in this charming Brazilian town.
In September, the UV Index in Sao Lourenco, Brazil, registers a notable 12, placing it in the extreme exposure category with a burn time of just 10 minutes. As summer draws nearer, this trend signals a return to heightened UV levels after a slightly less intense period in the colder months. Comparatively, the UV levels during the earlier months of the year were even higher, with values peaking at 16 in both January and February. As we transition into the spring months, residents and visitors alike should be prepared for consistent sun intensity, similar to that seen in October and November. Awareness of these trends is crucial for safe sun exposure practices. For more detailed information, check out Sao Lourenco UV Index.
UV Risk Categories
September in São Lourenço, Brazil, shines brightly with an impressive 311 hours of sunlight, making it one of the sunniest months of the year. Following the trend of increasing daylight, this month builds on the warm summer vibe established in July with 312 hours and August with 297 hours. As the winter months gradually fade away, the sunlight begins to dominate, with hours consistently above 280 from June onwards. This delightful increase not only provides a stunning backdrop for outdoor adventures but also invites visitors to bask in the warmth of an early spring, perfectly illustrating the region's charm as the seasons transition.
In Sao Lourenço, Brazil, September enjoys a comfortable 62% chance of sunny weather, marking a continuation of the favorable trend seen from the summer months. As the dry season approaches, the likelihood of clear skies becomes more prominent, building on the excellent conditions from July and August, which feature even higher sun probabilities of 77% and 67%, respectively. Following the sunny days of September, the chance of sunshine dips notably in October, highlighting September as an ideal time to relish the pleasant weather before the seasonal shift to cloudier days. Overall, September strikes a perfect balance, offering a delightful blend of warmth and sunshine, making it a wonderful time for outdoor activities in this charming Brazilian destination.
In Sao Lourenco, Brazil, September marks the transition to longer days, as daylight stretches to 11 hours. This month maintains the duration seen in August, showcasing a stable pattern just before the days begin to lengthen in October. Following the steady decline in daylight from January's peak of 13 hours, the trend stays relatively consistent through April and May, where daylight dips to 11 hours. As the year progresses toward the end, both November and December will return to that vibrant peak, signaling the sun's return and the lengthening days of summer. Throughout the year, this rhythmic ebb and flow of daylight provides a captivating glimpse into the natural cycles experienced in this picturesque region.
As September arrives in São Lourenço, Brazil, a noticeable shift in the breezes can be felt, with average wind speeds reaching 2.1 m/s (5 mph), marking a subtle increase from the summer months. This trend reflects a gradual uptick in airflow, as August's winds also reached a noteworthy 2.0 m/s (4 mph). Interestingly, this uptick comes after the calmest months, with speeds dipping as low as 1.5 m/s (3 mph) earlier in the year. The transition into fall not only carries with it fresh breezes but also hints at a consistent rise in wind activity as the months unfold, setting a lively stage for outdoor adventures and invigorating experiences in this picturesque Brazilian locale.
Weather in Sao Lourenco varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Sao Lourenco, focusing on differences in temperature, rainfall, humidity, and UV levels.
September and January present contrasting weather patterns. In September, temperatures range from a comfortable 8°C (46°F) to a warm 32°C (90°F), with an average of 20°C (69°F) and relatively low humidity at 58%. The month experiences limited rainfall, totaling just 32 mm (1.2 in) over about 4 days. In contrast, January is generally warmer, with minimum temperatures starting at 16°C (60°F) and a maximum of 31°C (89°F), leading to an average of 22°C (72°F). However, January brings significantly more precipitation, accumulating 114 mm (4.5 in) over 14 days and higher humidity at 88%. For more detailed information, check Sao Lourenco weather in January.
When comparing the weather in September and February, notable differences emerge. September boasts a broader temperature range with minimums as low as 8°C (46°F) and maximums reaching 32°C (90°F), averaging around 20°C (69°F). In contrast, February's temperatures are generally milder, with minimums of 14°C (58°F) and similarly high maximums of 32°C (91°F), resulting in an average of 22°C (71°F). Precipitation also varies significantly between the two months; September sees a modest 32 mm (1.2 in) over just four days, while February experiences a substantial increase with 133 mm (5.2 in) spread across 16 days, leading to a much higher humidity level of 88%. For more details on February weather, you can visit Sao Lourenco weather in February.
September and March exhibit notable differences in weather patterns. In September, temperatures range from a minimum of 8°C (46°F) to a maximum of 32°C (90°F), with an average of 20°C (69°F). The month typically sees around 32 mm (1.2 in) of precipitation over just 4 days and a humidity level of 58%. In contrast, March has milder minimum temperatures starting at 12°C (54°F) and maximum temperatures peaking at 31°C (87°F), with an average of 22°C (71°F). However, it experiences significantly more rainfall, totaling 85 mm (3.3 in) over 14 days, along with higher humidity at 87%. For more details, you can check Sao Lourenco weather in March.
In comparing the weather between September and April, both months experience similar minimum temperatures, averaging around 8°C, but the maximum temperatures are slightly higher in September, reaching up to 32°C compared to April's 29°C. The overall average temperatures are closely aligned, hovering around 20°C for both months. However, April tends to be wetter, with 37 mm of precipitation over 7 days as opposed to September's 32 mm over just 4 days. Additionally, April features a higher humidity level at 84% compared to September's 58%. For more specific details, you can check Sao Lourenco weather in April.
When comparing the weather in September and May, we observe notable differences in temperature and humidity. In September, temperatures range from a minimum of 8°C (46°F) to a maximum of 32°C (90°F), averaging at a comfortable 20°C (69°F). The precipitation in September is slightly lower at 32 mm (1.2 in) across four days, with a moderate humidity level of 58%. In contrast, May experiences cooler temperatures, with a minimum of 2°C (37°F) and a maximum of 28°C (82°F), averaging 18°C (64°F). While May has a similar number of rainy days at four, it has slightly more precipitation at 34 mm (1.3 in) and higher humidity at 79%. For a detailed look at the weather trends in May, you can visit Sao Lourenco weather in May.
When comparing the weather in September and June, it’s evident that September tends to be warmer, with average temperatures reaching 20°C (69°F), compared to June’s average of 17°C (63°F). September also experiences higher maximum temperatures of up to 32°C (90°F), while June peaks at 26°C (80°F). Precipitation in September is slightly higher at 32 mm (1.2 in) over four days, compared to June, which sees only 12 mm (0.5 in) over three days. Additionally, June has higher humidity levels at 77%, making it feel muggier, whereas September's humidity is lower at 58%. For more detailed insights, you can check the weather specifics for June here.
In comparing the weather between September and July, September boasts a noticeably warmer climate, with temperatures ranging from a minimum of 8°C (46°F) to a maximum of 32°C (90°F), compared to July's range of 2°C (36°F) to 26°C (79°F). Additionally, September experiences higher average temperatures at 20°C (69°F) versus July's 16°C (60°F). Precipitation levels are also different, with September receiving 32 mm (1.2 in) over four days, while July remains dry with only 9 mm (0.4 in) and no recorded rainy days. Furthermore, July has a higher humidity level at 72%, compared to September's 58%. For a more detailed look, you can check Sao Lourenco weather in July.
September typically sees warmer temperatures compared to August, with a minimum of 8°C (46°F) and an average of 20°C (69°F), peaking at 32°C (90°F). In contrast, August starts cooler, with minimum temperatures around 5°C (41°F) and an average of 17°C (63°F), reaching a maximum of 29°C (84°F). Both months experience a similar level of precipitation, with September receiving 32 mm (1.2 in) over four days and August slightly less at 27 mm (1.1 in) across four days. Humidity trends differ slightly between the two months, as September averages 58% compared to August's higher 65% humidity. For more detailed information, you can check Sao Lourenco weather in August.
In September, the weather is characterized by a minimum temperature of 8°C (46°F) and an average high of 32°C (90°F), with relatively low precipitation of 32 mm (1.2 in) over just 4 days. The humidity level stands at 58%, contributing to warm and sunny days. In contrast, October experiences slightly milder temperatures, starting with a minimum of 12°C (54°F) and reaching a maximum of 33°C (92°F) on average. However, October sees a significant uptick in rainfall, with 92 mm (3.6 in) spread over 15 days and lower humidity at 50%. For more information about October weather specifics, you can check Sao Lourenco weather in October.
In September, the weather is generally milder, with temperatures ranging from a minimum of 8°C (46°F) to a maximum of 32°C (90°F) and an average of 20°C (69°F). There is relatively little precipitation, with only 32 mm (1.2 in) falling over just four days, and the humidity levels are around 58%. In contrast, November sees slightly warmer conditions, with minimum temperatures of 10°C (51°F) and an average of 21°C (70°F), while also reaching a high of 32°C (89°F). However, November brings a significant increase in rainfall, totaling 156 mm (6.1 in) spread over 14 days, and the humidity rises to 75%. For more detailed insights on the weather, check out Sao Lourenco weather in November.
In September, the weather is generally warmer with average temperatures around 20°C (69°F) and highs reaching up to 32°C (90°F). Precipitation is relatively low, totaling 32 mm (1.2 in) over just four days, and humidity sits at a moderate 58%. In contrast, December sees a slight increase in average temperature to 21°C (71°F), but also experiences higher humidity at 80%. The rainfall is significantly greater, with 167 mm (6.6 in) occurring over 19 days. This marks a much wetter and more humid month. For more details on December weather, you can check Sao Lourenco weather in December.
As September arrives in Sao Lourenco, the weather showcases a delightful transition, marked by warmer days and comfortable evenings. With maximum temperatures averaging around 32°C (90°F), visitors can expect a pleasant mix of sunshine and mild breezes, standing in contrast to the cooler, more temperate months preceding it. Humidity levels hover around 58%, offering a refreshing atmosphere without the heaviness often associated with summer months. While September brings a modest 32 mm of rain over just a few days, it remains largely dry, making it an ideal time for outdoor explorations and soaking up the vibrant landscapes. For a deeper understanding of how September fits into the yearly climate spectrum, be sure to check out Sao Lourenco Climate.