September Weather in Parintins, Brazil

Last updated: August 21, 2025

In September, Parintins, Brazil, experiences a warm tropical climate, with maximum temperatures reaching up to 35°C (95°F) and an average of 29°C (84°F). The month is characterized by a minimum temperature of 23°C (74°F), providing comfortable nights. While the humidity remains relatively low at 43%, rainfall is a notable feature, with precipitation totaling 86 mm (3.4 in) across approximately 12 days. As the region gears up for its vibrant cultural festivities, September offers a unique blend of warmth and occasional showers, setting the stage for dynamic outdoor experiences.

September Temperature in Parintins

In September, Parintins, Brazil continues to bathe in warmth, with temperatures showcasing a lively progression typical of the region. The month welcomes averages that flirt with summer's peak, hitting around 29°C (84°F), while the maximum temperatures cap at an enticing 35°C (95°F). Notably, the minimum stays steady at 23°C (74°F), ensuring that even the nights remain pleasantly warm. This month marks a subtle shift as it transitions from the cooler, drier days of the earlier months, blending affordability with the vibrancy of the late-season heat, perfect for both locals and travelers to enjoy the rich culture and colorful festivities.

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

The chart illustrates September temperature patterns in Parintins, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Parintins, 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).
JanFebMarAprMayJunJulAugSepOctNovDec797980808181818383838280
Data source: Temperature data for Parintins generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

September Precipitation in Parintins

In September, Parintins experiences a moderate precipitation total of 86 mm (3.4 in), marking a notable shift from the drier months of July and August, where rainfall dipped to 100 mm and 73 mm respectively. This slight increase brings the number of rainy days to 12, offering a refreshing transition as the region gears up for the wetter season ahead. Although September's rainfall is significantly less than the peak months of March and April, it sets the stage for the more robust downpours that follow in October and November. As the month winds down, the gradual uptick in precipitation hints at the lush vitality awaiting Parintins in the months to come.

September Precipitation Trends in Parintins

The chart displays monthly precipitation patterns in Parintins, 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 Parintins, September typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec293343339389280147100738698182302
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

September Humidity in Parintins

In September, Parintins, Brazil experiences a notable shift in humidity, dropping to a refreshing 43%, the lowest point in the year. This decrease follows a pattern of diminishing humidity that begins in August, where it starts at 55%. The transition from the humid months of May and April, which peak at 90% and 89% respectively, highlights a significant reduction as the region moves towards the drier climate of October, recorded at just 36%. This trend of declining humidity positions September as a pivotal moment, offering a brief respite from the heavy mugginess characteristic of earlier months, making it an inviting time for outdoor activities in this vibrant Brazilian locale.

September Average Humidity in Parintins

This chart illustrates the average monthly humidity levels in Parintins, 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 Parintins is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec85%79%82%89%90%84%73%55%43%37%41%83%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Parintins

In September, Parintins, Brazil, continues to see a high UV Index of 13, classified as extreme, which means that even minimal sun exposure can lead to skin damage in just 10 minutes. This maintains the trend observed over the months, where the UV Index has consistently remained elevated since January, peaking at 16 from February to April before slightly declining during the mid-year. As we transition into the latter part of the year, the UV intensity stabilizes, but vigilance is crucial when enjoying the sun. For more detailed insights into the UV Index throughout the year, visit Parintins UV Index.

Maximum UV Index Levels in Parintins for September

The chart shows the monthly maximum UV Index (UVI) for Parintins 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 Parintins typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec151616161311111213131313
Data source: Parintins 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 Parintins

September heralds a brilliant transition in Parintins, Brazil, as the sun graces the region with an impressive 314 hours of sunlight, contributing to the vibrant atmosphere of the month. Following the summer peak months of July and August, which boasted 325 and 330 hours respectively, September maintains the sun-kissed momentum, showcasing a slight decline yet still thriving with abundant daylight. As the year progresses toward October with 308 hours, the sunny days in September stand out as a perfect time to experience the natural beauty and cultural vibrance of this lively town. The consistent high levels of sunshine from mid-year through September highlight a dynamic climate that invites both locals and tourists to revel in outdoor activities under the golden Brazilian sun.

Monthly Sunshine Duration in Parintins: September Highlighted

The September sunshine duration represents the total number of hours Parintins 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.
JanFebMarAprMayJunJulAugSepOctNovDec201h200h237h204h248h299h325h330h314h308h255h223h
Data source: Parintins September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Parintins During September

In September, Parintins enjoys a notable 40% chance of sunny weather, continuing the trend of brighter skies from August's 47%. This month marks a significant shift following the lower probabilities found in earlier months, such as March and April, where sunny days were much less likely. As the dry season approaches, September offers a welcoming blend of warmth and sunshine, making it an ideal time for outdoor activities and festive celebrations. With sunny days becoming more common, locals and visitors alike can embrace the vibrant atmosphere of Parintins, setting the stage for an enjoyable experience in this charming Brazilian city.

Percentage of Sunny Days in September in Parintins

The chart illustrates the percentage of sunny days in Parintins 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 Parintins experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec16%14%8%11%23%37%42%47%40%26%16%6%
Data source: Parintins September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Parintins in September

In Parintins, Brazil, September offers a delightful return to 12 hours of daylight, continuing the trend established earlier in the year. This consistency characterizes the region's climate, where daylight hours remain remarkably stable throughout most months. While May through July see a slight dip to 11 hours, September aligns with the more sunlit months of January, February, March, April, August, October, November, and December, creating an inviting atmosphere rich in natural light. This steady rhythm of daylight fosters a vibrant environment, enhancing the allure of Parintins, especially as the year transitions towards its end.

Average Daylight Hours in Parintins for September

The chart illustrates the variation in daylight duration in Parintins throughout the year, with September highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec12h 14m12h 10m12h 6m12h 2m11h 58m11h 57m11h 58m12h12h 4m12h 9m12h 13m12h 15m
Data source: Parintins daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Parintins

As September rolls into Parintins, Brazil, the wind begins to pick up slightly, with average speeds reaching 1.6 m/s (4 mph). This marks a gentle increase from the breezier August, creating a refreshing atmosphere as the region transitions into the latter part of the year. Interestingly, the winds have remained relatively stable throughout the summer months, hovering between 1.4 to 1.7 m/s (3 to 4 mph). This mild September breeze adds a delightful touch to the city's vibrant cultural landscape, setting the stage for the lively celebrations that Parintins is known for. With October following closely with the same wind speed, it appears that this moderate airflow may continue to accompany the city's dynamic spirit as it heads into a bustling festival season.

Average September Wind Speed in Parintins

The chart displays monthly wind speed patterns in Parintins, 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.
JanFebMarAprMayJunJulAugSepOctNovDec1.41.71.51.41.51.51.41.61.6 m/s1.71.51.4
Data source: Parintins September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Parintins Compares to Other Months

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

In September, the weather in Parintins is characterized by warmer temperatures, with a minimum of 23°C (74°F) and an average of 29°C (84°F), while the maximum can reach up to 35°C (95°F). The month sees a moderate amount of rainfall totaling 86 mm (3.4 in) spread over 12 days, along with a humidity level of 43%. In contrast, January brings a cooler climate with temperatures ranging from a minimum of 22°C (73°F) to an average of 26°C (80°F) and a maximum of 33°C (91°F). However, it is significantly wetter, with 293 mm (11.5 in) of precipitation occurring over 24 days, leading to a higher humidity level of 85%. For more detailed insights, you can visit Parintins weather in January.

September and February present contrasting weather patterns in Parintins. September boasts warmer temperatures, with an average high of 29°C (84°F) and a maximum of 35°C (95°F), alongside relatively lower humidity at 43%. However, it also sees 86 mm (3.4 in) of precipitation over about 12 days. In contrast, February experiences cooler average temperatures, peaking at around 33°C (91°F) with an average of 26°C (80°F), but it is much wetter, receiving 343 mm (13.5 in) of rainfall across approximately 25 days, and significantly higher humidity, reaching 79%. For a detailed look at February weather, you can check Parintins weather in February.

In September, the weather tends to be warm, with temperatures ranging from a minimum of 23°C (74°F) to a maximum of 35°C (95°F) and an average of 29°C (84°F). This month also experiences relatively low humidity at 43% and modest precipitation of 86 mm (3.4 in) over 12 days. In contrast, March is characterized by cooler average temperatures, with a minimum of 23°C (73°F) and a maximum of 33°C (91°F), averaging 27°C (80°F). However, it is significantly wetter, receiving 338 mm (13.3 in) of rain over 29 days and featuring much higher humidity at 81%. For more detailed information on March weather, you can visit Parintins weather in March.

September and April present contrasting weather conditions in terms of temperature and precipitation. In September, temperatures range from a minimum of 23°C (74°F) to a maximum of 35°C (95°F), with an average temperature of 29°C (84°F). The month experiences relatively low precipitation at 86 mm (3.4 in) over about 12 days and has a humidity level of 43%. In stark contrast, April sees milder temperatures, with a minimum of 22°C (72°F), an average of 27°C (80°F), and a maximum of 32°C (91°F). However, it is much wetter, receiving 389 mm (15.3 in) of rain spread across 29 days, resulting in a significantly higher humidity of 89%. For more details on the weather in April, check out Parintins weather in April.

September and May present distinctly different weather patterns. In September, the temperatures range from a comfortable minimum of 23°C (74°F) to a maximum of 35°C (95°F), with an average of 29°C (84°F). The month experiences relatively low humidity at 43% and moderate precipitation of 86 mm (3.4 in) spread over 12 days. In contrast, May sees a cooler average temperature of 27°C (81°F), with highs reaching 33°C (92°F) and consistently high humidity at 90%. The rainfall is significantly higher in May, with 280 mm (11.0 in) over 27 days, leading to a much wetter atmosphere. For more detailed information, you can check Parintins weather in May.

In comparing the weather of September and June, September tends to be warmer overall, with average temperatures reaching 29°C (84°F) compared to June's average of 27°C (81°F). Both months have a minimum temperature of around 23°C (73°F), but September boasts a higher maximum of 35°C (95°F), while June peaks at 33°C (92°F). Precipitation levels differ significantly as well, with September receiving 86 mm (3.4 in) over 12 days, in contrast to June's heavier rainfall of 147 mm (5.8 in) across 23 days. Additionally, June experiences higher humidity at 84%, making it feel more muggy, whereas September's humidity level is more comfortable at 43%. For a closer look at June weather specifically, you can check Parintins weather in June.

In comparing the weather of September and July, September experiences slightly higher average temperatures, with a minimum of 23°C (74°F) and a maximum of 35°C (95°F), while July has a min of 23°C (73°F) and max of 34°C (93°F). July tends to be more humid at 73%, compared to September's lower humidity level of 43%. Precipitation is another notable difference; July receives more rainfall, totaling 100 mm (3.9 in) over 18 days, whereas September sees 86 mm (3.4 in) over 12 days. For more details on July's weather, check out Parintins weather in July.

In comparing the weather of September to that of August, we see some notable differences. September experiences slightly warmer average temperatures, with a minimum of 23°C (74°F) and an average of 29°C (84°F), compared to August's average of 28°C (83°F). Both months share the same maximum temperature of 35°C (95°F). However, September is marked by increased precipitation, totaling 86 mm (3.4 in) over 12 days, while August recorded only 73 mm (2.9 in) over 11 days. Additionally, the humidity in September is lower at 43% compared to August's 55%. For more detailed insights, you can explore Parintins weather in August.

In September, temperatures typically range from a minimum of 23°C (74°F) to a maximum of 35°C (95°F), with an average temperature of 29°C (84°F). This month experiences around 86 mm (3.4 in) of rainfall over approximately 12 days, while humidity levels sit at 43%. In contrast, October presents a slightly cooler average temperature of 28°C (83°F), while still maintaining the same minimum and maximum temperatures. However, this month sees an increase in precipitation to 98 mm (3.9 in) over roughly 15 days, coupled with lower humidity at 36%. For more detailed insights, check out Parintins weather in October.

September and November both showcase warm temperatures, with September offering a slightly warmer average of 29°C (84°F) compared to November's 28°C (82°F). Both months maintain a consistent minimum temperature of 23°C (74°F) and a maximum of 35°C (95°F). However, November experiences significantly higher precipitation levels, recording 182 mm (7.2 in) over 22 days, in contrast to September's 86 mm (3.4 in) over just 12 days. Humidity remains relatively stable, with September at 43% and November at 41%. For a more detailed look at weather conditions, check out Parintins weather in November.

In September, the weather is generally warm, with average temperatures ranging from a minimum of 23°C (74°F) to a maximum of 35°C (95°F). The month experiences relatively low humidity at 43% and receives 86 mm (3.4 in) of precipitation over about 12 days. In contrast, December brings cooler temperatures, with an average range from 22°C (73°F) to 34°C (94°F), but significantly more rain, totaling 302 mm (11.9 in) across 27 days. The humidity also increases substantially to 83%, creating a noticeably wetter and more humid environment. For a detailed look at December weather specifics, you can visit Parintins weather in December.

Compare Parintins's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Parintins

As September rolls into Parintins, the weather showcases a warm and inviting atmosphere, with temperatures peaking at a refreshing 35°C and a comfortable average of 29°C. Unlike the more torrential rains of earlier months, September experiences a slight decrease in precipitation, totaling around 86 mm over about 12 days, making it a more manageable time for outdoor activities. With humidity levels resting at a pleasant 43%, this month strikes a delightful balance between warmth and comfort. For a comprehensive understanding of how September fits into the broader weather patterns, check out the details on Parintins Climate.