Last updated: August 21, 2025
September in João Pessoa, Brazil, offers a warm and inviting climate, with average temperatures hovering around 25°C (78°F). Daily highs can reach a pleasant 28°C (83°F), while nights cool down to a cozy 23°C (73°F). However, this month also brings 81% humidity and 51 mm (2.0 in) of rain spread over approximately 18 days, contributing to the lush and vibrant landscape. Despite the occasional showers, September remains a captivating time to explore the beauty of João Pessoa's beaches and culture, thanks to its tropical charm.
In September, Joao Pessoa experiences a delightful transition as temperatures begin to shift slightly, maintaining their warm charm. The minimum temperature sits comfortably at 23°C (73°F), with an average of 25°C (78°F), and a pleasant maximum reaching 28°C (83°F). This month marks a gradual warming trend from the cooler temperatures of August, while still offering a refreshing atmosphere suitable for outdoor activities. As the days inch toward summer, the coastal city's inviting warmth beckons both locals and visitors alike to enjoy its stunning beaches and vibrant culture, making September a wonderful time to explore all that Joao Pessoa has to offer.
In September, Joao Pessoa experiences a notable shift in its precipitation patterns, with 51 mm (2.0 in) of rainfall distributed over 18 days. This marks a decrease from the preceding months, suggesting a transition towards drier conditions as the year progresses. Following the heavy rains of May and July, where the city received 183 mm (7.2 in) and 182 mm (7.1 in) respectively, September’s lighter showers signal a gradual easing. This trend continues into October, which typically sees even less precipitation, averaging only 39 mm (1.5 in). The month of September serves as a bridge between the lush, wet months of mid-year and the cooler, drier days of late fall, making it a unique time for both nature and residents alike.
As September rolls in, João Pessoa maintains its reputation for high humidity, with levels hovering around 81%. This slight drop from the summer months reflects the city's consistent trend, where humidity remains relatively stable year-round. The dry season reaches its peak in October and November, leading to even milder humidity levels at 80%. Interestingly, the city's humidity peaks in May at 87%, which indicates a seasonal shift that precedes the sunnier, drier months. Overall, João Pessoa's humidity showcases a remarkable stability, ensuring that the warm, tropical climate thrives throughout the year, while gradually easing as the year comes to a close.
In September, Joao Pessoa experiences a UV Index of 13, maintaining its position in the extreme exposure category with a burn time of just 10 minutes. This month marks a slight dip from the higher indices of the earlier months, showing a consistent trend where UV levels remain notably high throughout the year in this stunning coastal city. As the seasons transition, both locals and visitors should remain vigilant about sun protection, as the intensity generally stays quite formidable. For those planning outdoor activities, it's crucial to stay informed. For a comprehensive understanding of the UV Index in Joao Pessoa throughout the year, visit Joao Pessoa UV Index.
UV Risk Categories
September in Joao Pessoa, Brazil, offers a delightful taste of sunshine, with 336 hours of radiant daylight. Building on the summer’s momentum, this month showcases a slight dip from August’s peak of 340 hours, yet remains robust compared to the earlier months of the year. As the seasons transition, it’s interesting to note a general upward trend in sunlight hours from January’s 285 hours to October’s high of 351 hours, culminating in a splendid crescendo by year-end. The consistent warmth of September, nestled between the vibrant glow of summer and the approaching festive spirit of spring, makes it an ideal time to bask in the sunny allure of this coastal gem.
As September rolls around in João Pessoa, Brazil, the likelihood of basking in sunny weather markedly improves, reaching an impressive 61% chance of sunshine. This significant uptick follows a gradual increase from the earlier months, starting with a modest 37% in January and culminating in the peak sunny days of late summer. The trends show that after consistently warm and sunny conditions in the middle of the year, September ushers in a delightful shift, making it one of the brightest months on record. This glorious mix of warmth and sunshine creates the perfect backdrop for both locals and visitors to enjoy outdoor activities and the breathtaking beaches for which João Pessoa is famous.
In João Pessoa, Brazil, the rhythm of daylight reflects a remarkable consistency throughout the year. From January to March, residents enjoy a generous 12 hours of sunlight daily, creating a vibrant atmosphere perfect for enjoying the city’s breathtaking beaches. As the calendar turns to April, daylight dips slightly to 11 hours, a trend that continues through the winter months of May to August. However, as September arrives, the sunshine returns with a comfortable 12 hours, reigniting the spirit of the community and setting the stage for the lively spring season ahead. This pattern of daylight reinforces the region's tropical allure, providing ample opportunities for exploration and leisure year-round.
September in João Pessoa, Brazil, ushers in a refreshing breeze with an average wind speed of 6.4 m/s (14 mph), a gentle rise from the summer months. This slight increase continues the upward trend established in August, which boasted a more robust 7.1 m/s (16 mph). As the year transitions from the height of summer into the more temperate months, September strikes a balance, maintaining pleasant winds that are ideal for outdoor activities. This month not only enjoys a more invigorating atmosphere but also serves as a precursor to the gradual decline in wind speeds as the year progresses towards the calmer months of late autumn. Overall, September's breezy charm enhances the coastal allure of João Pessoa, making it an inviting time for both locals and visitors alike.
Weather in Joao Pessoa varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Joao Pessoa, focusing on differences in temperature, rainfall, humidity, and UV levels.
In September, the weather in Joao Pessoa is warm, with temperatures ranging from a minimum of 23°C (73°F) to a maximum of 28°C (83°F). The month sees an average temperature of 25°C (78°F) and experiences about 51 mm (2.0 in) of precipitation over 18 days, with humidity levels around 81%.
In contrast, January is slightly warmer, with minimum temperatures of 24°C (75°F) and maximums reaching 29°C (85°F). The average temperature in January is 27°C (81°F), and it has a similar precipitation level at 52 mm (2.0 in) but over fewer days, approximately 15. Humidity is slightly higher at 82%.
Overall, while both months are warm with moderate rainfall, January tends to be a bit hotter and slightly drier than September. For more detailed information, check out Joao Pessoa weather in January.
When comparing the weather in September and February, it’s evident that both months feature warm temperatures, with September having a slightly lower average (25°C or 78°F) compared to February's 27°C (81°F). February also experiences warmer extremes, reaching a maximum of 30°C (86°F), while September peaks at 28°C (83°F). Additionally, February sees more rainfall, with a total precipitation of 87 mm (3.4 in) over 20 days, compared to September's 51 mm (2.0 in) over 18 days. Humidity levels remain similar, hovering around 81% in September and 82% in February, contributing to the tropical feel of both months. For a detailed look at February's weather, visit Joao Pessoa weather in February.
In comparing the weather patterns of September and March, September experiences slightly cooler temperatures, with averages ranging from a minimum of 23°C (73°F) to a maximum of 28°C (83°F). In contrast, March sees warmer temperatures, with a minimum of 24°C (76°F) and a maximum of 30°C (86°F). Additionally, March has significantly higher precipitation at 143 mm (5.6 in) across 24 days compared to September's 51 mm (2.0 in) over 18 days. Both months have high humidity levels, with September at 81% and March at 82%. For more detailed insights, check Joao Pessoa weather in March.
In comparing the weather between September and April, we can observe some notable differences. September enjoys a relatively mild climate with average temperatures hovering around 25°C (78°F) and maximums reaching 28°C (83°F), alongside a moderate rainfall of 51 mm (2.0 in) over 18 days. In contrast, April brings slightly warmer temperatures, with averages of 27°C (81°F) and peaks of 30°C (86°F), but it also experiences significantly higher precipitation at 170 mm (6.7 in) across 26 days. Both months maintain high humidity levels, with September at 81% and April slightly higher at 82%. For more details on how the weather feels in April, you can check Joao Pessoa weather in April.
In comparing the weather conditions of September and May, we see some notable differences. September features slightly milder temperatures, with an average of 25°C (78°F), while May is a bit warmer, averaging 26°C (80°F). The maximum temperatures in both months are similar, but May’s minimum temperature is marginally higher at 24°C (75°F) compared to September's 23°C (73°F). However, May experiences significantly more rainfall, with 183 mm (7.2 in) compared to September's 51 mm (2.0 in), leading to a higher number of wet days in May at 26 compared to September's 18. Humidity levels are also higher in May at 87%, versus September's 81%, contributing to a more sultry feel during that month. For a detailed look at the weather in May, you can check Joao Pessoa weather in May.
When comparing the weather in September and June, we see some interesting similarities and differences. Both months have a minimum temperature of around 23°C (73°F), but June tends to be slightly warmer on average with a temperature of 26°C (79°F) compared to September's 25°C (78°F). Additionally, the maximum temperatures are similar, reaching up to 29°C (84°F) in June and 28°C (83°F) in September. However, June experiences significantly higher precipitation, with 149 mm (5.9 in) over 24 days, while September sees only 51 mm (2.0 in) over 18 days. Humidity levels are also comparable, at 81% in September and 84% in June. For those interested in more details, you can check Joao Pessoa weather in June.
The weather in September is quite similar to that of July, with both months averaging a minimum temperature of 23°C (73°F) and a maximum temperature of 28°C (83°F). However, September experiences significantly less rainfall, with 51 mm (2.0 in) of precipitation over 18 days, compared to July's 182 mm (7.1 in) over 26 days. This makes September feel drier, despite a humidity level of 81%, which is only slightly lower than July's 82%. For a more detailed comparison of July weather in the region, you can check Joao Pessoa weather in July.
In August, the weather in Joao Pessoa is characterized by slightly cooler temperatures, with a minimum of 22°C (72°F) and a maximum of 27°C (82°F), while September sees a slight increase in minimum temperature to 23°C (73°F) and a maximum reaching 28°C (83°F). Both months have similar average temperatures, hovering around 25°C (77°F). However, August experiences more precipitation, totaling 69 mm (2.7 in) over 22 days, compared to September’s 51 mm (2.0 in) over 18 days. Humidity levels remain high in both months, with September at 81% and August at 82%. For more detailed insights into August's weather, check Joao Pessoa weather in August.
In September, the weather is warm with a minimum temperature of 23°C (73°F) and an average of 25°C (78°F), reaching a maximum of 28°C (83°F). The month is characterized by higher precipitation, totaling 51 mm (2.0 in) over 18 days, along with a humidity level of 81%. In contrast, October brings slightly warmer temperatures with a minimum of 23°C (74°F) and an average of 26°C (79°F), peaking at 29°C (84°F). Precipitation decreases to 39 mm (1.5 in) over 15 days, and humidity remains relatively stable at 80%. For more detailed insights, check out Joao Pessoa weather in October.
In September, the weather typically features temperatures ranging from a minimum of 23°C (73°F) to a maximum of 28°C (83°F), with an average of 25°C (78°F). The month sees relatively high humidity at 81% and experiences about 51 mm (2.0 in) of precipitation over 18 days. In contrast, November experiences slightly warmer temperatures, with a minimum of 24°C (76°F), an average of 27°C (80°F), and a maximum of 29°C (84°F). Precipitation decreases significantly to 32 mm (1.3 in) over just 12 days, accompanied by a similar humidity level of 80%. For a more detailed look at the weather conditions in November, you can visit Joao Pessoa weather in November.
In comparing the weather between September and December, we notice a slight increase in temperatures during December, with minimums averaging 25°C (76°F) compared to September's 23°C (73°F). The average temperature in December is also higher at 27°C (81°F), reaching a maximum of 29°C (85°F), while September peaks at 28°C (83°F). Despite these warmer temperatures, December experiences slightly less precipitation, totaling 40 mm (1.6 in) over 18 days, as opposed to September's 51 mm (2.0 in) over the same number of days. However, humidity remains constant at 81% for both months, contributing to that tropical feel. For more detailed information, you can check Joao Pessoa weather in December.
As September unfolds in João Pessoa, visitors can expect a marked transition in weather as the city gradually shifts towards its warmer months. With an average temperature hovering around a comfortable 25°C (78°F), it strikes a beautiful balance between the cooler breezes of winter and the heat of summer. While rainfall is prevalent, with precipitation recorded on nearly 18 days, it typically comes in the form of short, refreshing showers that enhance the region’s lush landscapes. This month’s 81% humidity level adds a touch of tropical warmth, making it feel a bit warmer than the air temperature suggests. For those keen on exploring the vibrant atmosphere of João Pessoa, September offers a uniquely inviting climate, a delightful contrast from both the dry season and the height of summer. For more detailed insights, you can visit Joao Pessoa Climate.