September Weather in Boituva, Brazil

Last updated: August 21, 2025

In September, Boituva, Brazil, experiences a delightful blend of moderate temperatures and occasional rain, making it a vibrant time for both locals and visitors. With a maximum temperature soaring to 37°C (100°F), the days can be quite warm, yet the average comfortable 22°C (73°F) invites outdoor activities. The nights can cool down to a brisk 9°C (49°F), providing a refreshing contrast. September records approximately 31 mm (1.2 in) of precipitation over 5 days, contributing to the region's lush landscape. With a humidity level of 54%, the air strikes a pleasant balance, creating an inviting atmosphere for those seeking adventure or relaxation.

September Temperature in Boituva

As September rolls into Boituva, Brazil, temperatures begin to show a promising transition towards warmer days, making it an ideal time for outdoor activities. With minimums hovering around 9°C (49°F) and maximums peaking at 37°C (100°F), the average temperature settles comfortably at 22°C (73°F). This shift marks a noticeable uptick from the cooler winter months of July and August, where the mercury dipped significantly lower. The region's climate in September hints at an invigorating mix of warm, sunny days and cooler evenings, setting the stage for vibrant experiences in this captivating Brazilian town.

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

The chart illustrates September temperature patterns in Boituva, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Boituva, 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).
JanFebMarAprMayJunJulAugSepOctNovDec777676736866656672737376
Data source: Temperature data for Boituva 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 Boituva

In September, Boituva experiences a moderate dip in precipitation, garnering 31 mm (1.2 in) over 5 days of rainfall. This marks a continuation of the dry trend that begins mid-year, following July’s low of just 20 mm (0.8 in). Compared to the heavier rains seen earlier in the year, where January peaked at 194 mm (7.6 in), September presents a slight reprieve, suggesting a gradual transition into the drier months. The balance of sunny days and occasional showers creates a comfortable climate, setting the stage for the upcoming wetter months of October and November, which typically bring increased rainfall and restore the lush greenery that characterizes Boituva.

September Precipitation Trends in Boituva

The chart displays monthly precipitation patterns in Boituva, 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 Boituva, September typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec194144101494238205531100112132
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Boituva

As summer ebbs away in Boituva, September ushers in a notable shift in humidity, dipping to 54%—a refreshing contrast to the sultry heights of earlier months. This transition reflects a broader trend, where humidity steadily declines from the lush 88% in January, reaching its yearly low in September before gradually rising again as the year winds down. With the gradual decrease from summer’s peak, the delightful crispness in the air becomes evident, making September a comfortable interlude before the humidity starts its ascent once more later in the year.

September Average Humidity in Boituva

This chart illustrates the average monthly humidity levels in Boituva, 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 Boituva is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec88%87%86%82%76%71%68%59%54%50%74%83%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Boituva

In September, Boituva experiences a UV Index of 11, categorized as extreme, with a burn time of just 10 minutes. This month's UV levels mirror those of April, illustrating a transition back to heightened sun intensity as the region moves from winter to spring. The consistent pattern in Boituva's UV Index reveals a notable trend: the first half of the year generally sees lower readings, while the latter months ramp up dramatically, peaking with the extreme UV levels in January and December. With such potent UV exposure in September, it's crucial for residents and visitors alike to take proper sun protection measures. For more detailed insights, check out the Boituva UV Index.

Maximum UV Index Levels in Boituva for September

The chart shows the monthly maximum UV Index (UVI) for Boituva 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 Boituva typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec16151211867911131416
Data source: Boituva 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 Boituva

September in Boituva, Brazil, basks in an impressive 304 hours of sunshine, reflecting the region's vibrant atmosphere as it transitions into spring. This month showcases a delightful blend of warmth and light, following the consistency seen in the previous months. While January began the year with a modest 232 hours, sunshine hours have steadily increased, peaking in March with 318 hours. After a slight dip in both April and June, September’s radiant days contribute to the overall trend of longer daylight hours as the year progresses. Residents and visitors alike can enjoy the abundant sunshine, making it an ideal time for outdoor activities and exploration in this picturesque Brazilian locale.

Monthly Sunshine Duration in Boituva: September Highlighted

The September sunshine duration represents the total number of hours Boituva 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.
JanFebMarAprMayJunJulAugSepOctNovDec232h275h318h296h282h263h301h281h304h287h298h316h
Data source: Boituva September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Boituva During September

In Boituva, Brazil, September presents a favorable chance of sunny weather, boasting a 55% likelihood of sunshine. This marks a continuation of the region's trend towards milder and sunnier conditions as the year progresses. Following the generally damp winter months, where the chances of sun hover around 46%, September stands out as a pleasant transition into spring. Notably, the likelihood of sunny days increases significantly in the months leading up to this period, peaking in the summer months of July and August before stabilizing in early fall. As such, September offers an inviting backdrop for outdoor activities, echoing the region's resurgence of warmth and brightness.

Percentage of Sunny Days in September in Boituva

The chart illustrates the percentage of sunny days in Boituva 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 Boituva experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec16%49%46%55%47%46%67%56%55%23%45%48%
Data source: Boituva September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Boituva in September

In Boituva, Brazil, the rhythm of daylight duration paints a vivid picture throughout the year. By September, the daylight extends to approximately 11 hours, marking a gentle transition as the days begin to lengthen after the winter months. Following a consistent pattern, the daylight duration gradually increases from the 10 hours seen in June to August, hinting at the approach of spring. This trend continues into October and November, where daylight stretches back to 12 and 13 hours, respectively. The gradual ebb and flow of daylight not only reflects the changing seasons but also invites residents to embrace the vibrant outdoor activities that come with longer evenings. As the year progresses, Boituva's light-filled days offer a harmonious balance of warmth and activity.

Average Daylight Hours in Boituva for September

The chart illustrates the variation in daylight duration in Boituva throughout the year, with September highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec13h 21m12h 50m12h 11m11h 31m10h 58m10h 43m10h 51m11h 20m11h 57m12h 38m13h 13m13h 31m
Data source: Boituva daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Boituva

As September arrives in Boituva, Brazil, the winds begin to pick up their pace, mirroring the transition into spring. With an average wind speed of 3.1 m/s (7 mph), September matches August's breezy vibes, signaling a shift from the quieter months of early winter. This uptick continues into October and November, maintaining 3.3 m/s (7 mph), which hints at a trend of increasing wind activity as the year progresses. The gentle but persistent breezes of September not only bring a refreshing feel to the landscape but also create ideal conditions for outdoor adventures, like paragliding and kite flying, making it a perfect time to embrace the thrill of the wind in this vibrant region.

Average September Wind Speed in Boituva

The chart displays monthly wind speed patterns in Boituva, 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.
JanFebMarAprMayJunJulAugSepOctNovDec2.32.32.02.92.42.32.73.13.1 m/s3.33.33.0
Data source: Boituva September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Boituva Compares to Other Months

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

September and January present contrasting weather patterns in Boituva. In September, temperatures range from a mild 9°C (49°F) at night to a warm 37°C (100°F) during the day, with an average of 22°C (73°F). The month experiences relatively low precipitation at 31 mm (1.2 in) over about five days, with a humidity level of 54%. Conversely, January is notably warmer, with minimum temperatures around 16°C (62°F) and maximums reaching up to 36°C (97°F), averaging 25°C (77°F). However, it also sees a significant increase in rainfall, totaling 194 mm (7.6 in) over 19 days and much higher humidity at 88%. For more details, you can check out Boituva weather in January.

September and February exhibit notable differences in weather patterns. September starts with cooler minimum temperatures around 9°C (49°F) and an average of 22°C (73°F), while February is generally warmer, with a minimum of 16°C (62°F) and an average of 24°C (76°F). Both months can reach maximum temperatures of 37-38°C (100°F), showcasing the heat potential. However, February experiences significantly more rainfall, recording 144 mm (5.7 in) over 14 days compared to September's 31 mm (1.2 in) over just 5 days. Additionally, February's humidity is much higher at 87%, compared to September's 54%, resulting in a noticeably different feel to the atmosphere. For more details, check out Boituva weather in February.

When comparing the weather in September and March, there are some notable differences. September tends to be warmer overall, with average temperatures around 22°C (73°F) and maximums reaching up to 37°C (100°F). In contrast, March has a milder average temperature of 24°C (76°F) but starts off with a higher minimum temperature of 15°C (59°F). Additionally, March experiences significantly more precipitation, with 101 mm (4.0 in) over 14 days compared to September's 31 mm (1.2 in) across just 5 days. This increased rainfall in March also contributes to much higher humidity levels, peaking at 86% compared to September's 54%. For more insights, check out Boituva weather in March.

When comparing the weather in September and April, there are notable differences in temperature and humidity. September typically has a minimum temperature of 9°C (49°F) and an average maximum of 37°C (100°F), while April starts off slightly warmer with a minimum of 11°C (52°F) and a max of 34°C (94°F). Precipitation is more prevalent in April, with an average of 49 mm (1.9 in) compared to September's 31 mm (1.2 in), both occurring over five days. Additionally, April experiences higher humidity at 82%, in contrast to September's 54%. For a closer look at April weather specifics, you can visit Boituva weather in April.

In comparing the weather patterns of September and May, September tends to be warmer on average, with temperatures ranging from a minimum of 9°C (49°F) to a maximum of 37°C (100°F), and an average temperature of 22°C (73°F). Conversely, May offers slightly cooler conditions, with a minimum of 6°C (43°F) and a maximum of 33°C (91°F), averaging around 20°C (68°F). Additionally, May experiences higher humidity levels at 76% compared to September's 54%, along with increased precipitation, totaling 42 mm (1.7 in) over 4 days, in contrast to September's 31 mm (1.2 in) spread across 5 days. For specific insights into May weather in the region, you can check Boituva weather in May.

In comparing the weather of September and June, September typically presents warmer temperatures with a minimum of 9°C (49°F) and an average high of 37°C (100°F), while June averages a lower maximum of 30°C (87°F) and a minimum of 8°C (47°F). Both months experience relatively moderate precipitation; however, September has slightly less rainfall at 31 mm (1.2 in) over 5 days, compared to June’s 38 mm (1.5 in) over just 4 days. Additionally, humidity levels are notably higher in June at 71%, while September's humidity averages around 54%. For more insights into June weather specifically, check out Boituva weather in June.

September and July exhibit notable differences in their weather patterns. September typically experiences warmer temperatures, with a minimum of 9°C (49°F) and an average high reaching up to 37°C (100°F), compared to July's cooler temperatures, which range from a minimum of 2°C (35°F) to a maximum of 32°C (89°F). Additionally, September has higher average humidity at 54%, while July's humidity is more pronounced at 67%. Precipitation in September is slightly greater, with 31 mm (1.2 in) over 5 days, compared to July's 20 mm (0.8 in) over just 2 days. For more detailed information, you can check this link: Boituva weather in July.

In September, the weather in Boituva presents a notable increase in temperature compared to August, with minimums rising from 7°C (44°F) to 9°C (49°F) and maximums reaching as high as 37°C (100°F), compared to August's maximum of 35°C (95°F). The average temperature also sees a significant climb, from 19°C (66°F) in August to 22°C (73°F) in September. Humidity is slightly lower in September at 54%, compared to August's 59%. Additionally, precipitation decreases, with September recording 31 mm (1.2 in) over five days, while August had 55 mm (2.2 in) over six days. For more detailed insights, check out Boituva weather in August.

September features a notable range in temperatures, with a minimum of 9°C (49°F) and an average of 22°C (73°F), reaching highs of up to 37°C (100°F). The month sees relatively low precipitation levels, totaling 31 mm (1.2 in) over about 5 days, combined with a moderate humidity of 54%. In contrast, October brings slightly warmer conditions with a minimum of 13°C (56°F) and an average of 23°C (74°F), while maximum temperatures can peak at 40°C (104°F). However, October is considerably wetter, receiving 100 mm (3.9 in) of rainfall across approximately 12 days, along with a slightly lower humidity of 50%. For more details, you can check Boituva weather in October.

In September, the weather boasts a comfortable range with minimum temperatures around 9°C (49°F) and an average of 22°C (73°F), peaking at a hot 37°C (100°F). Rainfall is relatively low, with only 31 mm (1.2 in) over about 5 days, and humidity stands at a moderate 54%. In contrast, November sees slightly warmer temperatures, with minimums of 12°C (53°F) and an average of 23°C (74°F), while the maximum is just below September's at 36°C (98°F). However, November is significantly wetter, receiving 112 mm (4.4 in) of precipitation over 12 days, leading to a higher humidity level of 74%. For more detailed insights on November weather, check out Boituva weather in November.

In September, the weather in Boituva is generally warmer, with temperatures ranging from a minimum of 9°C (49°F) to a maximum of 37°C (100°F) and an average of 22°C (73°F). The month sees relatively low precipitation of 31 mm (1.2 in) over just 5 days, leading to a moderate humidity level of 54%. In contrast, December brings a noticeable shift with higher humidity levels at 83% and significantly increased rainfall totaling 132 mm (5.2 in) over 17 days. The temperature range also shifts slightly, featuring a minimum of 13°C (56°F) and an average of 25°C (76°F), but still reaching a maximum of 37°C (99°F). For more detailed information, check out Boituva weather in December.

Compare Boituva's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Boituva

September in Boituva marks a delightful transition into spring, showcasing comfortable temperatures that contrast with the extremes of winter. With an average of 22°C (73°F), the weather is pleasantly mild, allowing for enjoyable outdoor activities. Although the month sees a bit of rainfall—5 days totaling 31 mm—this is relatively low compared to the wetter months ahead. Humidity levels hover around 54%, adding a touch of freshness to the air. Overall, September offers a perfect blend of warmth and comfort, making it a wonderful time to experience the beauty of Boituva. For more detailed insights, visit Boituva Climate.