September Weather in Trindade, Brazil

Last updated: August 21, 2025

In Trindade, Brazil, September ushers in a diverse climate experience marked by temperatures ranging from a sizzling 38°C (102°F) at the peak to a comfortable 13°C (56°F) at night, with an average of 27°C (81°F). This month is characterized by low humidity levels at 36%, offering a dry yet warm atmosphere. Although the precipitation is minimal, with only 8 mm (0.3 in) recorded over just one rainy day, September presents an ideal opportunity to explore the beautiful landscapes of Trindade while enjoying its warm embrace.

September Temperature in Trindade

In September, Trindade, Brazil, transitions into warmer weather, showcased by a notable rise in temperatures. The month starts with minimums around 13°C (56°F), but as the days progress, the average climbs to a balmy 27°C (81°F). The peak temperatures reach an impressive 38°C (102°F), making it one of the hottest months of the year. This significant increase compared to August not only marks the arrival of spring but also sets the stage for a vibrant natural landscape. Visitors can expect warm, sunny days perfect for exploring the region's stunning beaches and lush surroundings, making September a delightful time to experience the beauty of Trindade.

September Weather in Trindade: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Trindade, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Trindade, September typically has an average temperature of {2}°C ({3}°F), with highs reaching up to {4}°C ({5}°F) and lows dropping to around {6}°C ({7}°F).
JanFebMarAprMayJunJulAugSepOctNovDec767576757272707580807676
Data source: Temperature data for Trindade generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

September Precipitation in Trindade

In September, Trindade, Brazil experiences a notable shift in precipitation patterns, with only 8 mm (0.3 in) of rainfall recorded over a mere single day. This marks a significant decrease compared to the wet months preceding it, such as February, which boasted a hefty 215 mm (8.5 in) across 22 days. The dry spell seen from mid-year continues, with June and July reporting almost no rainfall at all. Transitioning into October, Trindade will see a return to wetter conditions, reminiscent of the earlier months, when rainfalls surged again to 104 mm (4.1 in). Overall, September stands out as an anomaly in an otherwise damp year, heralding a brief respite before the rains rekindle in the coming months.

September Precipitation Trends in Trindade

The chart displays monthly precipitation patterns in Trindade, with values for each month alongside September’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how September’s conditions compare to those of other months. In Trindade, September typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec13121512582111028104201198
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Trindade

In Trindade, Brazil, September marks a notable shift in humidity levels, dipping to an average of 36%. This significant decrease follows the peak humidity of 89% experienced in the first half of the year, particularly in January through March. As the dry season unfolds, September showcases a refreshing contrast, with humidity levels hitting one of the year's lowest points. This trend not only highlights the transition towards drier months but also foreshadows an even lower October humidity, which plummets to 28%. Such changes create a unique climate experience, making early spring an ideal time for outdoor activities before the humidity gradually rises again towards the year's end.

September Average Humidity in Trindade

This chart illustrates the average monthly humidity levels in Trindade, with September’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In September, average humidity in Trindade is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec85%89%89%80%67%63%56%47%36%28%58%76%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Trindade

In September, Trindade, Brazil, experiences a UV Index of 12, classifying it within the extreme exposure category. With a burn time of just 10 minutes, it's essential for residents and visitors to be vigilant about sun protection during this month. Following a trend from the previous months, the UV Index remains consistently high, peaking notably in January and February at 16. Although September sees a slight decrease compared to the peak summer months, it still demands caution, aligning closely with the values typically observed in August and October. As the seasons shift, maintaining sun safety practices is imperative in this vibrant locale. For more detailed UV Index information, visit Trindade UV Index.

Maximum UV Index Levels in Trindade for September

The chart shows the monthly maximum UV Index (UVI) for Trindade in September, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In September, the maximum UV index in Trindade typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec1616141210891112151616
Data source: Trindade September UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

September Sunshine in Trindade

September in Trindade, Brazil, continues the trend of abundant sunshine, boasting 326 hours of bright, inviting rays. This follows the dramatic uptick in sunlight during the dry season, where the months of May through August consistently deliver over 300 hours. As the year progresses into fall, sunlight begins to taper slightly; however, September remains a vibrant month, sustaining nearly the peak of the preceding summer. As days gradually shorten, this sunny period creates a delightful atmosphere, perfect for enjoying outdoor activities and basking in the warmth of the Brazilian coastline. The lingering brightness sets a lovely backdrop as the country transitions into a new season.

Monthly Sunshine Duration in Trindade: September Highlighted

The September sunshine duration represents the total number of hours Trindade experiences direct sunlight during the month of September, excluding cloudy or obstructed periods. This chart compares the sunshine duration of September with the other months of the year.
JanFebMarAprMayJunJulAugSepOctNovDec253h267h305h306h319h314h330h330h326h322h295h292h
Data source: Trindade September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Trindade During September

September in Trindade, Brazil, marks a noticeable transition toward sunnier days, boasting an impressive 72% chance of sunshine. This is part of a broader trend as the region shifts from the cooler, cloudier months earlier in the year—where January sees only an 18% chance—to a peak of 95% in July. Following this mid-year high, August remains favorable at 69%, paving the way for September to solidify its reputation as a month filled with warmth and brightness, before the chance of sun dips again in the later months of the year. As September arrives, visitors can expect to enjoy a vibrant atmosphere ideal for exploring all that Trindade has to offer.

Percentage of Sunny Days in September in Trindade

The chart illustrates the percentage of sunny days in Trindade throughout the year, with September highlighted. It highlights the variation in sunshine across each month and provides an overview of the typical frequency of sunny days, offering insights into how often Trindade experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec18%24%26%51%54%63%95%69%72%32%11%29%
Data source: Trindade September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Trindade in September

In Trindade, Brazil, the daylight duration shows a rhythmic pattern that mirrors the seasons, with September returning to 12 hours of daylight, reminiscent of the earlier months of the year. As summer approaches in the Southern Hemisphere, daylight gradually increases from 11 hours in the winter months of April through August. This shift heralds longer days, making it an ideal time for outdoor activities and exploration. Following September, daylight remains consistent at 12 hours through October and November, before reaching its maximum in December with 13 hours. This progressive return to longer daylight serves as a vibrant signal of the forthcoming summer, inviting residents and visitors alike to bask in the warm embrace of the sun.

Average Daylight Hours in Trindade for September

The chart illustrates the variation in daylight duration in Trindade throughout the year, with September highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec12h 59m12h 37m12h 9m11h 41m11h 18m11h 7m11h 13m11h 33m12h12h 28m12h 53m13h 6m
Data source: Trindade daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Trindade

As September arrives in Trindade, Brazil, the gentle caress of the wind continues to characterize the transition into the latter months of the year. With an average wind speed of 2.3 m/s (5 mph), September reflects a slight dip from the previous month's peak, yet it remains noticeably stronger than the earlier months, which hovered around 1.6 m/s (4 mph). This gradual increase from June through August hints at the region's seasonal pressure shifts, fostering a refreshing breeze that many locals and visitors alike cherish. As the year unfolds, September’s winds signal the onset of more temperate conditions, inviting outdoor adventures and serene moments along the coastal shores.

Average September Wind Speed in Trindade

The chart displays monthly wind speed patterns in Trindade, with values for each month shown alongside September's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how September's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec1.61.61.61.81.92.22.42.62.3 m/s2.01.81.7
Data source: Trindade September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Trindade Compares to Other Months

Weather in Trindade varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Trindade, focusing on differences in temperature, rainfall, humidity, and UV levels.

September weather typically features warmer temperatures, with averages around 27°C (81°F) and highs reaching up to 38°C (102°F), while only experiencing minimal rainfall of just 8 mm (0.3 in) over a single day. In contrast, January offers cooler conditions, with average temperatures of 24°C (76°F) and maximums of 34°C (93°F), but it is considerably wetter, recording 131 mm (5.2 in) of precipitation spread over 16 days, resulting in much higher humidity at 85%. For a detailed look at January conditions, you can visit Trindade weather in January.

September weather is characterized by warm temperatures, with a minimum of 13°C (56°F) and an average high of 27°C (81°F), making it a pleasant month with low humidity at 36%. The minimal precipitation of just 8 mm (0.3 in) over a single day means that the weather is generally dry and suitable for outdoor activities. In contrast, February sees much wetter conditions with significant rainfall totaling 215 mm (8.5 in) spread across 22 days. The temperatures are slightly warmer, with a minimum of 18°C (65°F) and a maximum of 34°C (93°F), resulting in high humidity levels at 89%. For more detailed information, you can check Trindade weather in February.

In comparing the weather of September and March, there are notable differences in temperature and precipitation. September is characterized by warm temperatures, with a minimum of 13°C (56°F) and a maximum reaching up to 38°C (102°F), and it experiences relatively low precipitation of just 8 mm (0.3 in) over a single day, resulting in a humidity level of 36%. In contrast, March features a milder temperature range with a minimum of 16°C (61°F) and a maximum of 33°C (92°F), but it is significantly wetter, receiving 125 mm (4.9 in) of rainfall over 19 days, leading to a much higher humidity of 89%. For a closer look at typical conditions during this month, you can visit Trindade weather in March.

The weather in September and April presents a distinct contrast. September enjoys warmer temperatures, with an average high of 27°C (81°F) and occasional peaks reaching up to 38°C (102°F). This month is relatively dry, featuring only 8 mm (0.3 in) of precipitation over just one day, and a low humidity level of 36%. In contrast, April cools down slightly, with an average temperature of 24°C (75°F) and a maximum of 33°C (91°F). However, this month is much wetter, with a significant 82 mm (3.2 in) of rainfall spread over 13 days and higher humidity at 80%. For more details on April weather, visit Trindade weather in April.

September weather is characterized by warmer temperatures, with average highs reaching 27°C (81°F) and maximums peaking at 38°C (102°F). In contrast, May offers cooler conditions, with averages around 22°C (72°F) and maximums at 31°C (89°F). September experiences low humidity at 36% and very little precipitation, only about 8 mm over one day, while May is notably more humid at 67% and sees slightly more rainfall, totaling 11 mm over two days. For more detailed insights, you can check out Trindade weather in May.

When comparing the weather in September and June, September tends to be hotter, with temperatures ranging from a minimum of 13°C (56°F) to a maximum of 38°C (102°F) and an average of 27°C (81°F). In contrast, June is milder, with temperatures ranging from a minimum of 11°C (53°F) to a maximum of 31°C (88°F), averaging 22°C (72°F). Additionally, September is characterized by significantly lower humidity at 36%, compared to June’s higher humidity level of 62%. Rainfall is also more frequent in September, albeit minimal with just 8 mm (0.3 in) falling over one day, while June sees virtually no precipitation. For more information on June weather, check out Trindade weather in June.

In September, the weather tends to be significantly warmer than in July, with average temperatures soaring to 27°C (81°F), peaking at a sweltering 38°C (102°F). In contrast, July experiences milder temperatures, averaging 21°C (70°F) and reaching a maximum of 31°C (89°F). While September sees minimal precipitation with just 8 mm (0.3 in) over one day, July enjoys completely dry conditions with no recorded rainfall. Additionally, humidity levels are notably higher in July at 56%, compared to September's lower 36%. For more details on July's weather, visit Trindade weather in July.

In September, temperatures begin to rise notably compared to August, with minimums reaching 13°C (56°F) and averages climbing to 27°C (81°F), peaking at a scorching 38°C (102°F). In contrast, August enjoys a milder climate, starting at a minimum of 11°C (52°F) and averaging 24°C (75°F), with a maximum of 35°C (95°F). While both months experience low precipitation, September has slightly more with 8 mm (0.3 in) over one day, whereas August reports only 2 mm (0.1 in) with no rainy days at all. Furthermore, September's humidity is noticeably lower at 36%, contrasting with August's higher level of 47%. For more details, you can visit Trindade weather in August.

September and October present contrasting weather patterns. In September, temperatures range from a mild 13°C (56°F) at night to a scorching 38°C (102°F) during the day, with an average of 27°C (81°F). This month sees very little rainfall, with only 8 mm (0.3 in) over just one day, and humidity levels sit around 36%.

In contrast, October experiences slightly warmer nighttime temperatures, with a minimum of 15°C (59°F) and reaching up to 40°C (103°F) during the day, although the average temperature drops to 26°C (80°F). This month is characterized by significantly increased rainfall, with 104 mm (4.1 in) falling over 15 days, and lower humidity levels at 28%. For more information on October weather in Trindade, check Trindade weather in October.

September and November present contrasting weather patterns. In September, temperatures are relatively high, with an average of 27°C (81°F) and peaks reaching up to 38°C (102°F), paired with low humidity at 36% and minimal precipitation of just 8 mm over 1 day. In contrast, November sees cooler temperatures, averaging 24°C (76°F), with a maximum of 35°C (95°F). However, this month brings a significant increase in rainfall, totaling 201 mm and occurring over 21 days, accompanied by higher humidity at 58%. For more detailed insights, check out Trindade weather in November.

September and December exhibit strikingly different weather patterns. In September, temperatures can range from a cool 13°C (56°F) at night to a scorching high of 38°C (102°F) during the day, with an average of 27°C (81°F). The month is relatively dry, receiving only about 8 mm (0.3 in) of precipitation over just one day, and humidity levels hover around 36%. In contrast, December brings warmer nights, with minimum temperatures of 17°C (64°F) and an average of 24°C (76°F). Rainfall increases significantly, totaling 198 mm (7.8 in) across 22 rainy days, resulting in much higher humidity at 76%. For more detailed weather information, you can check Trindade weather in December.

Compare Trindade's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Trindade

As September rolls into Trindade, the weather transitions into a mild and pleasant phase, offering a refreshing break from the intense heat of the summer months. With a maximum temperature reaching a comfortable 38°C, the average remains a balmy 27°C, while the cooler nights provide a welcome respite at around 13°C. The month is characterized by minimal rainfall, with only about 8 mm recorded, allowing for plenty of sunny days under a clear blue sky. The low humidity at 36% contributes to a dry and enjoyable atmosphere perfect for outdoor activities. For more insights on the climate patterns, visit Trindade Climate.