Last updated: August 21, 2025
September in Sao Miguel do Iguacu, Brazil showcases a dynamic climate, with temperatures ranging from a brisk 10°C (50°F) at night to an impressive peak of 38°C (100°F) during the day, resulting in an average of 23°C (74°F). The month experiences 78 mm (3.1 in) of rainfall spread across 6 days, contributing to a relative humidity of 52% that offers a comfortable balance in the air. Whether basking in the warmth or enjoying cooler evenings, September's weather provides a vibrant backdrop for outdoor exploration and cultural experiences in this enchanting Brazilian locale.
As September rolls in, Sao Miguel do Iguacu begins to warm up, showcasing a delightful shift in temperatures. With a minimum of 10°C (50°F) and a comfortable average of 23°C (74°F), this month marks a clear transition from the cooler winter months. The highs can soar to a sizzling 38°C (100°F), hinting at the sultry summer ahead. As the temperature steadily rises, September serves as a gentle reminder of the region's vibrant climate, ideal for exploring the stunning landscapes and attractions that Brazil has to offer. The gradual increase in warmth signals the perfect time to embrace outdoor adventures in this picturesque locale, making it an alluring destination for travelers.
September in São Miguel do Iguaçu marks a transition toward the wetter months, with precipitation measuring 78 mm (3.1 in) over approximately 6 days. This figure shows a slight dip compared to the preceding months, particularly after the significant rainfall in May and June, both exceeding 130 mm. While the rain eases somewhat, the onset of spring hints at the increasing precipitation ahead, with October expected to bring a substantial rise to 180 mm (7.1 in). As the city approaches the end of the dry winter months, the patterns suggest that September serves as a brief interlude before the heavier rains return, setting the stage for lush landscapes as the region gears up for the hotter season.
In September, Sao Miguel do Iguacu experiences a notable shift in humidity, averaging around 52%. This marks a significant drop from the preceding months, particularly following the peak humidity of 85% in December and the consistent levels throughout the early fall. The transition into early spring reveals a trend of gradually decreasing humidity, peaking in the wet summer months before leveling off. As the region moves towards October, humidity begins to rise slightly once more, yet remains distinctively lower than the high summer figures. This creates a refreshing atmosphere, making September an ideal time for those wishing to enjoy the region's natural beauty with more comfortable climatic conditions.
September in Sao Miguel do Iguacu, Brazil, sees a UV Index of 10, categorizing the exposure as very high with a burn time of just 15 minutes. This marks a slight increase from the milder conditions experienced in mid-winter, indicating a seasonal transition towards more intense sun exposure. As the year progresses, the UV Index reflects a trend of fluctuating but generally high values, peaking in the summer months with extremes reaching 15. Travelers and residents alike should remain vigilant about sun protection during this time, as even brief sun exposure can lead to burns. For more detailed information about UV levels throughout the year, visit Sao Miguel do Iguacu UV Index.
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In September, the vibrant city of Sao Miguel do Iguacu, Brazil, basks in an impressive 279 hours of sunshine, a delightful continuation of the winter's mild weather. As the year progresses from the January peak of 253 hours, the days gradually lengthen, with sunlight steadily increasing through autumn. This trend culminates in the November and December months, where the sun shines its brightest, boasting 320 and 346 hours respectively. The consistent warmth and sunshine in September herald the transition into the blossoming spring, offering visitors and locals alike ample opportunity to enjoy the natural beauty and attractions of this stunning destination.
In Sao Miguel do Iguacu, September offers a promising 59% chance of sunny weather, marking a notable transition from the winter months. This month sits comfortably in the middle of the sunniest periods, following July's and February's peaks of 67%, while maintaining similarity to April and May with their 62% and 64% chances, respectively. As the region starts its journey into spring, the sun's presence becomes more frequent, creating an inviting atmosphere for visitors keen to experience the natural beauty of this vibrant locale. With the likelihood of sunshine trending upward from the winter months, September emerges as an excellent choice for those seeking a delightful blend of pleasant temperatures and sunny skies.
In September, Sao Miguel do Iguacu experiences a refreshing balance in daylight duration, with around 11 hours of sunlight each day. This marks a transition from the longer days of summer, as daylight gradually begins to wane from the generous 13 hours in January and November to the more moderate lengths experienced in the winter months. Interestingly, the days in September mirror those of August, suggesting a stable return to a rhythm that will shift again as October approaches, bringing with it an increase in daylight once more. This pattern reflects the region's tropical climate, where light and warmth play a crucial role in the vibrant ecosystems and diverse activities that thrive throughout the year.
As September rolls in, São Miguel do Iguaçu experiences a notable shift in its winds, with an average speed of 3.2 m/s (7 mph), marking the highest of the year. This increase, from 3.0 m/s (7 mph) in August, suggests a gentle transition toward the more robust winds typical of the spring season. Prior months have shown a steady rise in wind speeds, notably from 2.6 m/s (6 mph) in May to the current September gusts, creating an invigorating atmosphere perfect for outdoor exploration. As the year progresses, this trend hints at the invigorating and refreshing breezes that enhance the natural beauty of this Brazilian gem.
Weather in Sao Miguel do Iguacu varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Sao Miguel do Iguacu, focusing on differences in temperature, rainfall, humidity, and UV levels.
In September, Sao Miguel do Iguacu experiences a warmer average temperature of 23°C (74°F), with maximum highs reaching up to 38°C (100°F). The month sees relatively moderate precipitation of 78 mm (3.1 in) over just six days, accompanied by a humidity level of 52%. In contrast, January brings even warmer temperatures, with an average of 26°C (80°F) and highs peaking at 39°C (102°F). However, it also experiences more rainfall, totaling 142 mm (5.6 in) over 16 days, contributing to a significantly higher humidity of 82%. For more detailed information, check out Sao Miguel do Iguacu weather in January.
In September, the weather in Sao Miguel do Iguacu is characterized by a warmer average temperature of 23°C (74°F) and a maximum that can reach up to 38°C (100°F), with relatively moderate humidity at 52%. However, the month experiences about 78 mm (3.1 in) of precipitation over six days. In contrast, February sees a slight increase in average temperature to 26°C (79°F) and a maximum similar to September at 37°C (99°F), but with higher humidity levels at 79% and increased rainfall, totaling 99 mm (3.9 in) over nine days. For more detailed information, check out Sao Miguel do Iguacu weather in February.
When comparing the weather in September and March, there are notable differences in temperature, precipitation, and humidity. September typically features a minimum temperature of 10°C (50°F) and an average of 23°C (74°F), with maximums reaching up to 38°C (100°F). In contrast, March enjoys slightly warmer conditions, with a minimum of 13°C (55°F) and an average of 25°C (78°F), peaking at 36°C (96°F).
Precipitation levels also diverge; September sees around 78 mm (3.1 in) of rainfall over 6 days, while March experiences more rain with 109 mm (4.3 in) across 11 days. Additionally, March has higher humidity at 75%, compared to September's 52%. For more detailed information about the weather specifics, check this link: Sao Miguel do Iguacu weather in March.
When comparing the weather in September and April, both months showcase a similar average temperature of around 23°C (73°F to 74°F), indicating a comfortable climate overall. However, September tends to experience slightly higher maximum temperatures, peaking at 38°C (100°F), while April reaches a milder maximum of 34°C (94°F). Precipitation levels are comparable, with September receiving 78 mm (3.1 in) and April slightly more at 83 mm (3.3 in), with both months experiencing rain on approximately 6 days. Notably, humidity levels are significantly different; September has a lower humidity at 52%, while April boasts a much higher 74%, making the latter feel more humid. For more insights into April's weather specifics, you can visit Sao Miguel do Iguacu weather in April.
When comparing the weather in September and May, distinct differences emerge. September typically experiences warmer temperatures, with a minimum of 10°C (50°F) and an average high of 38°C (100°F), while May starts off cooler with a minimum of 7°C (45°F) and a maximum of 32°C (91°F). Additionally, September has lower precipitation at 78 mm (3.1 in) over 6 days compared to May’s higher total of 134 mm (5.3 in) over 10 days, indicating a wetter month. Humidity also varies significantly, with September at 52% and May at a higher 75%. For more detailed insights on May's weather, you can visit Sao Miguel do Iguacu weather in May.
When comparing the weather in September to June, September generally offers warmer temperatures with averages reaching 23°C (74°F) and maximums soaring to 38°C (100°F). In contrast, June presents cooler conditions, with averages around 18°C (65°F) and highs of 30°C (87°F). Precipitation levels are notably higher in June, totaling 142 mm (5.6 in) over 9 days, compared to September's 78 mm (3.1 in) over 6 days. Additionally, humidity is more pronounced in June at 70%, while September sees a lower humidity level of 52%. For more details about June weather specifically, you can check out Sao Miguel do Iguacu weather in June.
In comparing the weather of September and July, September offers a significantly warmer climate with average temperatures reaching 23°C (74°F) and a maximum of 38°C (100°F), while July sees much cooler averages of 18°C (64°F) and peaks at 31°C (88°F). Additionally, September experiences higher precipitation levels, with 78 mm (3.1 in) over 6 days, compared to July's 37 mm (1.5 in) over just 4 days. Humidity levels also differ, with July being slightly more humid at 61% versus September's 52%. For a detailed look at the weather conditions during this time, you can check Sao Miguel do Iguacu weather in July.
In comparing the weather of September and August, September typically experiences warmer temperatures, with a minimum of 10°C (50°F), an average of 23°C (74°F), and a maximum of 38°C (100°F). In contrast, August has cooler temperatures, with a minimum of 3°C (38°F), an average of 19°C (67°F), and a maximum of 34°C (94°F). Additionally, September sees slightly less precipitation at 78 mm (3.1 in) over 6 days, compared to August's 84 mm (3.3 in) over 7 days, while humidity levels remain relatively similar at 52% in September and 49% in August. For more detailed information, you can check Sao Miguel do Iguacu weather in August.
In September, Sao Miguel do Iguacu experiences a temperature range from a minimum of 10°C (50°F) to a maximum of 38°C (100°F), with an average temperature of 23°C (74°F). The month sees moderate precipitation of 78 mm (3.1 in) over 6 days and maintains a humidity level of 52%. In contrast, October brings slightly warmer temperatures, with a minimum of 12°C (53°F), an average of 24°C (75°F), and a peak of 40°C (105°F). However, the month is also marked by increased rainfall, totaling 180 mm (7.1 in) over 12 days, accompanied by a slight rise in humidity to 55%. For more detailed information on October weather, you can visit Sao Miguel do Iguacu weather in October.
In comparing the weather of September and November, it is evident that November tends to be warmer and more humid. September sees temperatures ranging from a minimum of 10°C (50°F) to a maximum of 38°C (100°F), with an average of 23°C (74°F) and relatively low humidity at 52%. In contrast, November's temperatures start at a higher minimum of 15°C (59°F) and peak at 36°C (97°F), averaging 25°C (77°F), while humidity increases to 73%. Additionally, November experiences more precipitation, totaling 111 mm (4.4 in) over 9 days compared to September's 78 mm (3.1 in) across 6 days. For more details, you can check Sao Miguel do Iguacu weather in November.
September weather in Sao Miguel do Iguacu is generally warm, with average temperatures around 23°C (74°F) and a maximum of 38°C (100°F), accompanied by moderate humidity of 52%. Precipitation during this month averages 78 mm (3.1 in) over about 6 days. In contrast, December sees slightly higher average temperatures of 26°C (79°F) and a maximum of 37°C (99°F). However, it experiences significantly more rainfall, totaling 138 mm (5.5 in) across approximately 12 days, alongside increased humidity at 85%. For a closer look at December's weather specifics, visit Sao Miguel do Iguacu weather in December.
As September rolls into Sao Miguel do Iguacu, the weather begins to shift, marking the transition into the more temperate months ahead. With an average temperature of 23°C (74°F), this month offers a pleasant reprieve from the more intense heat experienced in the summer, where highs can soar up to 38°C (100°F). Humidity levels hover around a comfortable 52%, and while there may be a few rainy days with approximately 78 mm (3.1 in) of precipitation, the overall atmosphere is generally mild and inviting. This combination of warmth, moderate humidity, and occasional rain creates an ideal setting for outdoor activities and exploration. For a deeper understanding of what to expect throughout the year, check out Sao Miguel do Iguacu Climate.