Last updated: August 21, 2025
September in Aracaju, Brazil presents a warm and humid ambiance, with average temperatures hovering around 25°C (77°F). This month experiences a maximum temperature of 28°C (82°F) and a pleasant minimum of 22°C (71°F), creating a comfortable climate for outdoor activities. However, rain is a frequent companion, with approximately 75 mm (2.9 in) of precipitation spread over 22 days, contributing to the region's lush landscape. The humidity levels, averaging 79%, enhance the tropical atmosphere, making September a vibrant yet damp month in this coastal city.
In September, Aracaju experiences a gentle transition in temperatures that reflects the tail end of its cooler season. With minimums around 22°C (71°F) and averages reaching 25°C (77°F), the city offers a pleasant climate that invites both locals and tourists to enjoy outdoor activities. The maximum temperature of 28°C (82°F) signals a gradual warming trend as the month progresses, hinting at the return of the heat typical of Brazilian summers. This mild weather creates an ideal backdrop for exploring Aracaju’s stunning beaches and vibrant culture, making September a wonderful time to visit. As the temperatures begin to rise from the cooler months of July and August, September showcases a delightful balance of warmth and comfort that enhances the charm of this coastal city.
September in Aracaju, Brazil, sees a moderate precipitation level of 75 mm (2.9 in), marking a slight decrease from the previous month. This month records about 22 rainy days, maintaining the trend of frequent rainfall characteristic of the region during the peak rainy season. Compared to the heavier downpours in May and June, September’s rainfall provides a more tempered atmosphere, offering a refreshing break while still contributing to the lush greenery that surrounds the city. As the transition into October approaches, the precipitation levels are expected to dip further, hinting at the gradual shift towards the drier months ahead.
As September rolls into Aracaju, Brazil, the humidity begins to recede, reaching 79%—a subtle dip that signals the transition toward drier months. This slight decrease follows a consistent trend observed throughout the year, where humidity peaks in the mid-year months, particularly from April to May at 86%. After the summer's peak humidity, the air slowly becomes more comfortable, hinting at the approaching dry season. This gradual decline is complemented by a continuous drop that persists into October and November, suggesting that visitors can expect mildly humid yet pleasant conditions as they experience the city's unique coastal charm.
September in Aracaju, Brazil, sees a UV Index of 13, reaffirming the region's reputation for intense sunlight. This rating falls within the extreme exposure category, emphasizing the need for sun protection. Notably, this index aligns with several months of high UV levels leading up to September, maintaining a consistent trend of 10 minutes for burn time. As the month transitions into the end of the dry season, residents and visitors alike should remain vigilant against sun exposure, especially as the UV Index remains elevated alongside nearby months like April and October. For more details on sun safety and updates, check out the comprehensive guide at Aracaju UV Index.
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As September arrives in Aracaju, Brazil, the city continues to bask in its signature warmth, enjoying 329 hours of sunshine—a consistent total that mirrors the preceding month of August. This period marks a remarkable transition into spring, with daylight hours gradually increasing from the mid-year average of 294 hours in June and steadily climbing towards the more sun-drenched months of October and December, which boast impressive totals of 355 and 350 hours, respectively. The pattern showcases a delightful trend of brightening skies and vibrant energy, making September an ideal time to explore the lush coastal landscapes and indulge in the city's vibrant culture. As the days grow longer, Aracaju invites both locals and visitors to revel in its enchanting sunshine.
September in Aracaju, Brazil, brings an inviting 61% chance of sunny weather, making it one of the more promising months for sun seekers. As the tail end of winter transitions into spring, the likelihood of clear skies shows a noticeable upward trend, following a relatively stable summer pattern. This increase in sunshine is particularly significant when compared to the earlier months, with only 35% in January and 43% in February. As the months unfold, the chances of sunshine steadily rise, peaking in September before gently tapering off into the fall. Embracing the warm and inviting atmosphere of Aracaju during this time allows travelers to fully enjoy the region's stunning beaches and vibrant culture under almost guaranteed sunny days.
In September, Aracaju enjoys a delightful return to 12 hours of daylight, aligning with the consistent daylight duration seen in the earlier months of the year. Following several months of slightly shorter days from April through August, where daylight dipped to 11 hours, September marks a refreshing transition back to longer days. This rhythmic pattern underscores the coastal city's tropical climate, where the daylight hours stabilize around 12 hours from January through March and then again from October to December. This balance not only enhances outdoor activities but also invites residents and visitors to fully embrace the vibrant energy of the Brazilian sun.
In September, the winds in Aracaju maintain a gentle rhythm, with an average speed of 5.4 m/s (12 mph). As the transition from the earlier months occurs, this marks a slight uptick from August's 5.7 m/s, suggesting a steady consistency in wind patterns. Throughout the year, the wind speed fluctuates, peaking during late summer to early fall, typically ranging between 5.3 m/s (in January) and a more robust 5.8 m/s (in November). This mild breeze of September creates the perfect backdrop for outdoor activities, further enhancing the coastal charm of Aracaju as it embraces the changing season.
Weather in Aracaju varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Aracaju, focusing on differences in temperature, rainfall, humidity, and UV levels.
In September, the weather features a warm average temperature of 25°C (77°F), with minimums around 22°C (71°F) and maximums reaching 28°C (82°F). The month experiences significant rainfall, totaling 75 mm (2.9 in) across 22 days, resulting in a humid atmosphere with humidity levels at 79%. In contrast, January offers slightly warmer conditions with an average of 26°C (80°F), minimum temperatures of 24°C (75°F), and highs of 29°C (84°F). The precipitation is notably lower at 42 mm (1.7 in) over 15 days, and humidity increases slightly to 81%. For more detailed information on January weather, you can check Aracaju weather in January.
In comparing the weather of September and February, both months present warm temperatures, but February is slightly warmer overall. September features a minimum of 22°C (71°F) and an average temperature of 25°C (77°F), while February boasts a minimum of 24°C (76°F) and an average of 27°C (81°F). Additionally, February experiences less precipitation at 53 mm (2.1 in) over 16 days compared to September's 75 mm (2.9 in) over 22 days, resulting in a drier atmosphere. Humidity levels are fairly similar, with September at 79% and February slightly higher at 82%. For more insights, you can check out Aracaju weather in February.
September and March in Aracaju exhibit warm temperatures, but March tends to be slightly hotter overall. In September, the temperature ranges from a minimum of 22°C (71°F) to a maximum of 28°C (82°F) with an average of 25°C (77°F). In comparison, March features higher temperatures, with a minimum of 24°C (75°F) and a maximum of 30°C (87°F), averaging at 27°C (81°F). Precipitation is more significant in March, totaling 109 mm (4.3 in) over 20 days, compared to September's 75 mm (2.9 in) over 22 days. Moreover, humidity levels are higher in March at 84%, compared to 79% in September, adding to the warmth of the month. For detailed weather insights, check out Aracaju weather in March.
September and April weather in Aracaju presents a notable contrast. In September, temperatures range from a minimum of 22°C (71°F) to a maximum of 28°C (82°F), with an average of 25°C (77°F). The month experiences 75 mm (2.9 in) of precipitation over 22 days, coupled with a humidity level of 79%. In comparison, April sees slightly warmer temperatures, with a minimum of 24°C (76°F) and a maximum of 30°C (86°F), averaging 27°C (80°F). Precipitation in April is significantly higher at 133 mm (5.3 in) over the same number of days, and humidity rises to 86%. For more detailed information, check out Aracaju weather in April.
In September, the weather in Aracaju is warm with average temperatures ranging from a minimum of 22°C (71°F) to a maximum of 28°C (82°F), accompanied by 75 mm (2.9 in) of precipitation over 22 days and a humidity level of 79%. In contrast, May sees slightly higher temperatures, with a minimum of 23°C (74°F), averaging 26°C (79°F), and reaching up to 30°C (86°F). However, May is also significantly wetter, with 173 mm (6.8 in) of rain spread across 24 days and higher humidity at 86%. For a more detailed look at May's weather, check out Aracaju weather in May.
In comparing the weather of September and June, both months exhibit similar average temperatures, with September having a minimum of 22°C (71°F) and a maximum of 28°C (82°F), while June's minimum is slightly higher at 23°C (73°F). However, June is marked by significantly higher precipitation, accumulating 153 mm (6.0 in) over 25 days, compared to September's 75 mm (2.9 in) spread across 22 days. Humidity levels are also slightly elevated in June at 83%, compared to September's 79%. For a more detailed insight, you can visit Aracaju weather in June.
In comparing the weather of September and July, we can see some notable differences. September displays slightly warmer temperatures, with an average of 25°C (77°F) compared to July's average of 24°C (76°F). However, July is characterized by higher precipitation levels, receiving 172 mm (6.8 in) over 27 days, while September has only 75 mm (2.9 in) spread across 22 days. Humidity remains quite similar, with September at 79% and July at 81%. Overall, September tends to be drier and a bit warmer than July, making it a preferable time for outdoor activities. For more detailed information, you can check Aracaju weather in July.
In comparing the weather of September to that of August, we see some notable differences. September experiences a slightly warmer average temperature of 25°C (77°F), compared to August's 24°C (76°F), while both months have similar minimum temperatures around 22°C (71-72°F). However, September has a higher maximum temperature of 28°C (82°F) compared to August's 27°C (80°F). Precipitation is also somewhat lower in September, with 75 mm (2.9 in) over 22 days, in contrast to August's 88 mm (3.5 in) across 23 days. Humidity levels remain high in both months, with September at 79% and August at 80%. For more details about August weather, check out Aracaju weather in August.
In September, the weather is warm, with temperatures ranging from a minimum of 22°C (71°F) to a maximum of 28°C (82°F) and an average of 25°C (77°F). However, it also sees considerable precipitation, totaling 75 mm (2.9 in) over 22 days, along with a relatively high humidity level at 79%. In contrast, October presents slightly warmer minimum temperatures at 23°C (73°F) while maintaining an average of 25°C (78°F) and a similar maximum of 28°C (83°F). The month experiences less rainfall, with only 44 mm (1.7 in) over 16 days and lower humidity at 77%. For more detailed information on October weather specifically, Aracaju weather in October.
In September, temperatures average around 25°C (77°F) with a minimum of 22°C (71°F) and a maximum of 28°C (82°F). The month experiences significant rainfall, totaling 75 mm (2.9 in) over 22 days, and humidity levels are relatively high at 79%. In contrast, November sees a slight increase in average temperature to 26°C (79°F), with the minimum remaining at 23°C (74°F) and a maximum still peaking at 28°C (83°F). Precipitation in November drops to 43 mm (1.7 in) over just 15 days, and humidity slightly decreases to 76%. For more details on the weather specifics, you can check Aracaju weather in November.
September weather in Aracaju is characterized by slightly cooler temperatures, with an average of 25°C (77°F) and a minimum of 22°C (71°F). The humidity remains high at 79%, and it experiences more rainfall, with 75 mm (2.9 in) of precipitation spread over 22 days. In contrast, December sees a minor increase in temperatures, averaging 26°C (79°F), while the minimum temperature is 24°C (75°F) and the maximum reaches 28°C (84°F). December also has significantly less precipitation, totaling 41 mm (1.6 in) over 13 days, and slightly lower humidity at 76%. For more details, check out Aracaju weather in December.
As September unfolds in Aracaju, the weather offers a unique blend of warmth and humidity that sets it apart from the rest of the year. With temperatures comfortably hovering around a pleasant average, the city becomes a muggy haven, experiencing frequent rain showers that contribute to its lush landscapes. This month typically sees more precipitation days than many others, making it a great time for those who appreciate vibrant greenery. While the warmth remains inviting, the increased humidity can make the air feel a bit heavier. For a deeper understanding of how September fits into the broader climatic picture, explore more about the local conditions at Aracaju Climate.