September Weather in Sao Bento, Brazil

Last updated: August 21, 2025

In September, São Bento, Brazil, experiences warm and inviting weather, with maximum temperatures reaching up to 37°C (98°F) and an average of around 28°C (83°F). The nights remain pleasant, with minimum temperatures dropping to 20°C (68°F). This month is characterized by minimal precipitation, totaling just 1 mm (0.0 in), and impressively, there are no rainy days to disrupt outdoor activities. With an average humidity level of 59%, visitors can enjoy the vibrant landscapes and culture of São Bento under predominantly clear skies.

September Temperature in Sao Bento

In September, Sao Bento begins to transition towards warmer temperatures, with early signs of spring in the air. The minimum temperature sits at a mild 20°C (68°F), while the average reaches a comfortable 28°C (83°F), peaking at a maximum of 37°C (98°F). This month reflects a subtle upward trend in temperatures, as the region shakes off the cooler winter months. The warmth is consistent with the gradual climb seen from August, suggesting a shift towards sunnier days ahead, making September a delightful time to explore the vibrant surroundings. As the month progresses, visitors can expect increasingly pleasant conditions, perfect for outdoor activities and enjoying the blossoming scenery.

September Weather in Sao Bento: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Sao Bento, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Sao Bento, 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).
JanFebMarAprMayJunJulAugSepOctNovDec848281808080808183858685
Data source: Temperature data for Sao Bento 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 Sao Bento

September in São Bento, Brazil, marks a significant transition in the region's climate, with precipitation notably dropping to just 1 mm (0.0 in). This month's rainfall is not only minimal but also reflects an ongoing trend of dry conditions prevalent since August, where no rain was recorded at all. The absence of precipitation days in September highlights the shift towards drier weather as the year advances towards the final quarter. This stark contrast to the higher rainfall seen from January to April, where precipitation regularly exceeded 30 mm (1.2 in), underscores the seasonal variability typical of São Bento’s climate. As the landscape embraces this dry spell, it sets the stage for the months ahead, where the anticipation for the rainy season slowly builds, but for now, the region enjoys a brief respite from the rain.

September Precipitation Trends in Sao Bento

The chart displays monthly precipitation patterns in Sao Bento, 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 Sao Bento, September typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec3613715913239930111117
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Sao Bento

As September arrives in São Bento, Brazil, humidity levels drop to 59%, marking a significant shift from the lush, moisture-laden months that precede it. This decline not only reflects the transition towards the drier months but also sets the stage for a more comfortable climate after the peak humidity of the rainy season. Following a peak of 92% in March and April, the gradual decrease leads into a dry spell, with subsequent months like October and November seeing even lower levels, reaching 53% and 49%, respectively. As the year progresses, São Bento's humidity trends illustrate a clear seasonal pattern, transitioning from the sweltering heights of summer to the refreshing crispness of late autumn, ensuring that each month brings a distinct flavor to the region's climate.

September Average Humidity in Sao Bento

This chart illustrates the average monthly humidity levels in Sao Bento, 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 Sao Bento is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec88%91%92%92%89%80%70%65%59%53%49%59%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Sao Bento

In September, residents of Sao Bento, Brazil can expect a UV Index of 14, maintaining the region's trend of extreme exposure prevalent throughout the year. This consistency highlights the need for vigilance, as the burn time remains a mere 10 minutes. Following a pattern established from January to August, where UV levels fluctuated between 11 and 15, September's figures reinforce the crucial importance of sun protection during outdoor activities. With the sun's intensity remaining high, it's advisable to stay informed and take necessary precautions. For more detailed insights on UV levels, visit Sao Bento UV Index.

Maximum UV Index Levels in Sao Bento for September

The chart shows the monthly maximum UV Index (UVI) for Sao Bento 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 Sao Bento typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec141415141211111214131414
Data source: Sao Bento 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 Sao Bento

As September arrives in São Bento, Brazil, the lingering warmth of summer is palpable, with 342 hours of sunshine bathing the region in golden light. This month continues a trend of increasing daylight, following a particularly bright August that recorded 343 hours. With each passing month leading into the end of the year, the sun makes its presence felt, often reaching peaks in October at 358 hours. The steady increase from the mid-year months, often marked by milder sunshine in June and July with 316 hours, showcases a vibrant transition into the sunnier days of spring. Embracing September’s abundant light sets the stage for the blazingly sunny days ahead, allowing residents and visitors to bask in the joyous embrace of Brazilian sunshine.

Monthly Sunshine Duration in Sao Bento: September Highlighted

The September sunshine duration represents the total number of hours Sao Bento 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.
JanFebMarAprMayJunJulAugSepOctNovDec276h300h333h324h332h316h316h343h342h358h348h350h
Data source: Sao Bento September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Sao Bento During September

As September rolls into Sao Bento, Brazil, residents and visitors can expect a significant boost in sunshine, with a notable 76% chance of clear skies. This marks a peak in sunny weather following a steady increase from the earlier months of the year, where the chances hovered around a modest 29% in January and gradually climbed through the summer. By the time September arrives, the bright days of June, July, and August set the stage for what is traditionally one of the sunniest months of the year. This trend not only promises radiant afternoons but also invites outdoor activities and gatherings, making September an ideal time to enjoy the natural beauty of Sao Bento.

Percentage of Sunny Days in September in Sao Bento

The chart illustrates the percentage of sunny days in Sao Bento 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 Sao Bento experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec29%39%43%35%43%60%66%62%76%65%60%35%
Data source: Sao Bento September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Sao Bento in September

As September rolls into Sao Bento, Brazil, the days begin to stretch back to 12 hours of daylight, reminiscent of the sunny opening months of the year. Following a period of consistent 11-hour days from April through August, this shift signals a return to longer days, bringing with it a promise of warmth and vibrant outdoor activities. The daylight duration remains stable through the last quarter of the year, with October, November, and December also boasting 12 hours each. This rhythmic cycle of light is a reminder of the region's balanced climatic patterns, inviting both locals and visitors to make the most of the sun-drenched moments as they transition into the brighter months ahead.

Average Daylight Hours in Sao Bento for September

The chart illustrates the variation in daylight duration in Sao Bento throughout the year, with September highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec12h 25m12h 17m12h 6m11h 56m11h 48m11h 45m11h 46m11h 53m12h 3m12h 14m12h 23m12h 28m
Data source: Sao Bento daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Sao Bento

As September unfolds in São Bento, Brazil, the wind begins to stir with a refreshing vigor, averaging a pleasant 4.6 m/s (10 mph). This marks a delightful continuation of the trend observed over the preceding months, where the winds have generally been on the rise since August’s peak of 5.4 m/s (12 mph). From the calmer breezes of the earlier months, September strikes a perfect balance, offering more spirited gusts than the 3.0s of winter but still less robust than the summer's peak. It’s a transitional month where the warmth of late winter gives way to the promise of spring, and the winds carry whispers of change, making it an invigorating time to explore the landscapes of this vibrant region.

Average September Wind Speed in Sao Bento

The chart displays monthly wind speed patterns in Sao Bento, 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.
JanFebMarAprMayJunJulAugSepOctNovDec3.52.92.62.72.93.54.35.44.6 m/s4.34.03.8
Data source: Sao Bento September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Sao Bento Compares to Other Months

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

In September, the weather is characterized by warm temperatures, with averages around 28°C (83°F) and maxing out at 37°C (98°F). This month is notably dry, experiencing negligible rainfall and boasting a humidity level of 59%. In contrast, January brings slightly warmer conditions, with an average temperature of 29°C (84°F) and the same maximum of 37°C (99°F), but it also faces increased precipitation, recording about 36 mm (1.4 in) over 7 days. The humidity climbs significantly to 88% in January, making it feel much more humid compared to September. For more details, check this link: Sao Bento weather in January.

September and February exhibit quite different weather patterns. In September, temperatures range from a minimum of 20°C (68°F) to a maximum of 37°C (98°F), with relatively dry conditions, as there is no recorded precipitation and humidity sits at 59%. In contrast, February experiences slightly warmer nights with minimum temperatures around 21°C (70°F) and a similar maximum of 37°C (99°F), but it is notably wetter, receiving 137 mm (5.4 in) of precipitation over approximately 16 days and higher humidity levels at 91%. This stark difference highlights September's dry heat compared to the rainy and humid conditions typical of February. For a closer look at the February weather, check out Sao Bento weather in February.

In September, the weather is characterized by warm temperatures, with a minimum of 20°C (68°F) and an average of 28°C (83°F), while reaching a high of 37°C (98°F). The month is quite dry, receiving only 1 mm of precipitation over no rainy days and maintaining a humidity level of 59%. In contrast, March features slightly higher temperatures, with a minimum of 22°C (71°F) and a similar maximum of 37°C (98°F), but it is significantly wetter, seeing 158 mm of rainfall across 19 days. The humidity also rises to 92%, making March feel much more humid and damp compared to the dry September conditions. For more details on the weather in March, visit Sao Bento weather in March.

In September, the weather is generally warm and dry, with temperatures ranging from a minimum of 20°C (68°F) to a maximum of 37°C (98°F) and an average of 28°C (83°F). With nearly no precipitation and 0 rainy days, humidity levels are moderate at 59%. In contrast, April brings a different climate, characterized by higher humidity at 92%, significantly increased rainfall of 132 mm (5.2 in), and a total of 15 rainy days, with temperatures ranging from a minimum of 21°C (70°F) to a maximum of 34°C (94°F) and an average of 27°C (81°F). For more details, visit Sao Bento weather in April.

September and May present distinctly different weather patterns. In September, the temperatures range from a minimum of 20°C (68°F) to a maximum of 37°C (98°F), with an average of 28°C (83°F), alongside very low precipitation of only 1 mm (0.0 in) over no rain days, leading to a humidity level of 59%. In contrast, May sees slightly cooler temperatures, with a minimum of 19°C (67°F) and a maximum of 36°C (97°F), averaging 27°C (81°F). However, May is characterized by much higher precipitation, totaling 39 mm (1.5 in) spread across 8 rainy days, contributing to a higher humidity level of 89%. For a closer look at May's climate specifics, you can check Sao Bento weather in May.

When comparing the weather in September and June, we notice some distinct differences. September features warmer temperatures with a minimum of 20°C (68°F) and an average high of 28°C (83°F), peaking at 37°C (98°F), while June has a slightly cooler minimum of 19°C (67°F) and average high of 27°C (81°F), maxing out at 35°C (95°F). Additionally, September experiences virtually no precipitation, with 0 days of rain and only 1 mm of rainfall, contrasting with June’s 9 mm over 2 days, resulting in considerably higher humidity levels of 80% in June compared to 59% in September. For a detailed overview of June weather, you can check out Sao Bento weather in June.

September offers warmer temperatures compared to July, with minimums of 20°C (68°F) and a maximum reaching up to 37°C (98°F), while July sees a slightly cooler range from 18°C (65°F) to 35°C (95°F). Additionally, September boasts significantly lower precipitation, recording only 1 mm and no rainy days, in stark contrast to July's 30 mm of rainfall over three days. The humidity is also more comfortable in September at 59%, compared to July’s higher 70%. For more detailed insights, you can check Sao Bento weather in July.

In comparing the weather between September and August, September shows a slight increase in temperature, with minimums of 20°C (68°F) and maximums reaching 37°C (98°F), while August has minimums of 19°C (67°F) and maximums of 35°C (96°F). The average temperature also rises in September to 28°C (83°F) compared to August's 27°C (82°F). Both months experience very little precipitation, with only 1 mm recorded and no rainy days in either month. However, September tends to be less humid at 59% compared to August’s higher humidity of 65%. For more details on August's weather, you can check Sao Bento weather in August.

September and October exhibit similar warm weather patterns, though October shows slightly elevated temperatures overall. In September, the minimum temperature hovers around 20°C (68°F) with an average of 28°C (83°F) and a peak of 37°C (98°F). In comparison, October starts a little warmer with a minimum of 21°C (70°F) and an average of 29°C (85°F), while still reaching up to 37°C (100°F) at its peak. Both months experience negligible precipitation, with only 1 mm recorded across no rainy days, and humidity remains relatively high but slightly lower in October at 53% compared to September's 59%. For more detailed insights, you can check Sao Bento weather in October.

September and November showcase noticeably warm weather, with both months experiencing maximum temperatures of 37°C (99°F). However, September has a slightly lower average temperature of 28°C (83°F), while November averages at 30°C (86°F). Humidity levels drop from 59% in September to 49% in November, which may make November feel a bit more comfortable despite the warm temperatures. Both months see minimal precipitation, with just 1 mm (0.0 in) recorded in September and the same amount in November, albeit with a slight increase to 0.1 in during November. For more specifics on November's weather, you can check out Sao Bento weather in November.

In September, the weather is characterized by warm temperatures, with a minimum of 20°C (68°F), an average of 28°C (83°F), and a maximum reaching up to 37°C (98°F). This month typically experiences dry conditions, with virtually no precipitation and humidity levels hovering around 59%.

In contrast, December brings slightly warmer temperatures, with a minimum of 22°C (72°F), an average of 29°C (85°F), and a maximum of 38°C (100°F). However, this month sees an increase in precipitation, accumulating 17 mm (0.7 in) over two days, while maintaining the same humidity level of 59%. For a more detailed look at December weather, you can visit Sao Bento weather in December.

Compare Sao Bento's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Sao Bento

As September unfolds in Sao Bento, the weather offers a delightful transition, showcasing warmth with an average temperature of 28°C (83°F) and plenty of sunshine. Unlike the previous months marked by higher humidity and frequent rain, September stands out with its remarkably low precipitation, allowing for clear skies and dry conditions. This makes it an ideal time for outdoor activities and exploration. With no rainy days to interrupt the pleasant climate, visitors and locals alike can enjoy the beauty of this vibrant region. For a deeper understanding of what to expect throughout the year, explore the details at Sao Bento Climate.