September Weather in Itacare, Brazil

Last updated: August 21, 2025

September in Itacaré, Brazil, welcomes visitors with a delightful tropical climate characterized by average temperatures hovering around 24°C (75°F), peaking at a comfortable 28°C (83°F) during the day and dipping to a mild 19°C (66°F) at night. While this picturesque coastal paradise boasts a high humidity level of 75%, it also experiences a considerable amount of rain, with 79 mm (3.1 in) of precipitation spread over 20 days. This blend of warmth and moisture creates a lush, vibrant landscape, perfect for exploring the natural beauty and diverse activities that Itacaré has to offer.

September Temperature in Itacare

In September, Itacaré experiences a gentle transition toward warmer temperatures, with minimums resting around 19°C (66°F) and averages at 24°C (75°F). The maximums reach a pleasant 28°C (83°F), offering a delightful blend of warmth without the intensity felt in the peak summer months. Following the cooler August, September marks a subtle rise in temperatures, hinting at the approach of spring in Brazil. This month not only provides a comfortable climate for outdoor adventures but also sets the stage for the increasingly warm October and November, making it an ideal time to explore the lush landscapes and vibrant culture of this enchanting coastal town.

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

The chart illustrates September temperature patterns in Itacare, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Itacare, 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).
JanFebMarAprMayJunJulAugSepOctNovDec798079787675737375777778
Data source: Temperature data for Itacare 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 Itacare

In September, Itacaré experiences a notable shift in precipitation patterns with 79 mm (3.1 in) of rain accumulated over approximately 20 days. This amount represents a decrease from the preceding months, particularly the heavier rains recorded in April and March, which saw peaks of 173 mm (6.8 in) and 144 mm (5.7 in), respectively. As the region transitions into the drier season, compared to the earlier summer months, rainfall is slightly reduced, hinting at the beginning of a more temperate climate phase. Despite this decline, September still retains a significant amount of precipitation, ensuring that the lush tropical landscape of Itacaré remains vibrant and thriving. The undercurrents of rainfall trends indicate a gradual end to the peak wet season and set the stage for the dryer months ahead.

September Precipitation Trends in Itacare

The chart displays monthly precipitation patterns in Itacare, 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 Itacare, September typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec61671441731301071061067984170130
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Itacare

As the seasons shift in Itacaré, Brazil, September brings a subtle decline in humidity, measuring at a comfortable 75%. This month marks a slight dip from the previous months, which have consistently hovered in the high 70s and low 80s. Following the peak humidity of 84% in April, a gradual easing occurs, suggesting a transition toward the drier months ahead. October and November continue this trend, with humidity levels dipping further to 74% and 73%, respectively. This gradual decrease not only enhances the coastal experience but also signals the onset of a more refreshing weather pattern, perfect for enjoying Itacaré’s beautiful landscapes and vibrant culture.

September Average Humidity in Itacare

This chart illustrates the average monthly humidity levels in Itacare, 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 Itacare is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec76%79%84%84%83%80%78%76%75%74%73%72%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Itacare

In September, Itacaré experiences a UV Index of 13, categorizing it within the extreme exposure level, where the risk of harm from unprotected sun exposure is heightened. This trend aligns closely with previous months, as the UV Index has remained consistently high throughout the year, peaking at 15 in both February and November. With an average burn time of just 10 minutes under these conditions, September continues the pattern of caution needed for sun safety. Travelers and locals alike should remain vigilant and take protective measures to enjoy the beautiful Brazilian sunshine. For more detailed information, visit Itacare UV Index.

Maximum UV Index Levels in Itacare for September

The chart shows the monthly maximum UV Index (UVI) for Itacare 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 Itacare typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec1415141310991213141515
Data source: Itacare 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 Itacare

As the vibrant hues of September descend upon Itacaré, Brazil, the sun shines with renewed vigor, offering an impressive 313 hours of radiant light this month. This trend marks a peak period, aligning with the region's transition from winter to spring, where daylight hours steadily climb. Following August's sunny 303 hours, September invites both locals and visitors to bask in the warm embrace of longer days. The promise of even more sunlight looms ahead, as October is anticipated to bring 321 hours, enhancing the allure of outdoor adventures and beach escapades in this tropical paradise.

Monthly Sunshine Duration in Itacare: September Highlighted

The September sunshine duration represents the total number of hours Itacare 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.
JanFebMarAprMayJunJulAugSepOctNovDec282h303h313h294h300h283h299h303h313h321h279h322h
Data source: Itacare September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Itacare During September

As September arrives in Itacaré, Brazil, the likelihood of sunny weather becomes notably promising, with a 51% chance of sunshine illuminating the days. This marks a shift from the lower odds seen in the preceding months, such as February's 28%, and adds to the pattern of fluctuating weather throughout the year. September's figures suggest it's a delightful time for sun-seekers, particularly as the months before it, like August and May, hover around the 44% mark. Following September, the chances dip again, with October seeing a more modest 42%. Overall, September stands out as a sweet spot for warmth and sunshine, inviting visitors to enjoy the beautiful outdoors in this coastal paradise.

Percentage of Sunny Days in September in Itacare

The chart illustrates the percentage of sunny days in Itacare 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 Itacare experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec42%28%59%37%44%45%47%44%51%42%21%14%
Data source: Itacare September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Itacare in September

In September, Itacaré experiences a delightful return to 12 hours of daylight, mirroring the consistent light found during the summer months of January through March. This shift marks an uplifting transition from the slightly shorter days of the mid-year, with April to August offering 11 hours of sunlight each day. The pattern reveals Itacaré's unique climate, where daylight remains relatively stable throughout the year, creating a consistent rhythm of light and warmth that beckons both visitors and locals to enjoy the vibrant outdoor beauty of this coastal paradise. As the months progress toward October and beyond, the comforting predictability of daylight duration continues, reinforcing Itacaré's appeal as a year-round destination.

Average Daylight Hours in Itacare for September

The chart illustrates the variation in daylight duration in Itacare throughout the year, with September highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec12h 50m12h 32m12h 8m11h 45m11h 26m11h 16m11h 21m11h 38m12h12h 24m12h 45m12h 56m
Data source: Itacare daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Itacare

As September rolls into Itacare, Brazil, the average wind speed settles at a pleasant 3.2 m/s (7 mph), maintaining a comfortable breeze that hints at the transition between the dryer winter months and the approaching rainy season. This marks a slight decrease from the windier July, which boasted an invigorating 4.3 m/s (10 mph), but is consistent with the general trend of mild winds characteristic of this time of year. Throughout the year, the wind tends to oscillate, reaching its peak in July, while most months hover around the 3.2 to 3.5 m/s range, providing a stable yet refreshing atmosphere perfect for outdoor activities. As the winds begin to shift towards the wetter months, September offers a charming blend of warmth and gentle breezes, inviting both locals and visitors to revel in the beauty of this coastal paradise.

Average September Wind Speed in Itacare

The chart displays monthly wind speed patterns in Itacare, 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.
JanFebMarAprMayJunJulAugSepOctNovDec2.93.02.93.23.43.54.33.83.2 m/s3.43.63.2
Data source: Itacare September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Itacare Compares to Other Months

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

In September, the weather in Itacaré generally features milder temperatures, with a minimum of 19°C (66°F) and a maximum of 28°C (83°F), averaging around 24°C (75°F). This month sees approximately 79 mm (3.1 in) of precipitation spread over 20 days, and the humidity levels are relatively high at 75%. In contrast, January experiences slightly warmer conditions, with minimum temperatures of 22°C (71°F) and maximums reaching 30°C (87°F), averaging 26°C (79°F). Precipitation is lower in January at about 60 mm (2.4 in) over 19 days, with a humidity level that remains comparable at 76%. For a more detailed look at January weather conditions, you can visit Itacare weather in January.

In September, the weather typically features a milder temperature range with a minimum of 19°C (66°F), an average of 24°C (75°F), and a maximum reaching 28°C (83°F). However, this month sees a notable amount of precipitation, with an average of 79 mm (3.1 in) spread over 20 days, accompanied by a humidity level of 75%.

In contrast, February experiences warmer temperatures, with minimums at 22°C (72°F), averages of 26°C (80°F), and maximums peaking at 32°C (89°F). Although precipitation remains similar at 67 mm (2.6 in) over 20 days, humidity is slightly higher at 79%. For a more detailed look at February conditions, you can check Itacare weather in February.

In comparing the weather of September and March, September presents a milder climate with average temperatures ranging from 19°C (66°F) to a maximum of 28°C (83°F). This month experiences about 79 mm (3.1 inches) of precipitation over approximately 20 days and a humidity level of 75%. In contrast, March is warmer, with minimum temperatures starting at 21°C (71°F) and peaking at 32°C (90°F), accompanied by higher precipitation levels of 144 mm (5.7 inches) over 21 days and increased humidity at 83%. For a detailed overview of the weather in March, you can visit Itacare weather in March.

In comparing the weather of September and April, it's clear that April tends to be warmer and wetter. September experiences average temperatures ranging from 19°C (66°F) to a maximum of 28°C (83°F), while April boasts slightly higher averages, with minimum temperatures of 20°C (69°F) and maximums reaching 32°C (89°F). Additionally, precipitation levels in April are significantly higher, totaling 173 mm (6.8 in) over 24 days, compared to September's 79 mm (3.1 in) over 20 days. Humidity is also greater in April at 84%, versus 75% in September. For more details on April weather, visit Itacare weather in April.

When comparing the weather of September and May, both months offer warm temperatures, but May tends to be slightly warmer overall. In September, the minimum temperature is around 19°C (66°F), with an average of 24°C (75°F) peaking at 28°C (83°F), while May sees minimums of 20°C (68°F) and averages of 25°C (76°F) reaching up to 30°C (86°F). Additionally, May experiences higher precipitation levels at 130 mm (5.1 in) over 24 days compared to September's 79 mm (3.1 in) across 20 days. The humidity also rises slightly in May at 83%, compared to September's 75%. For more detailed information about conditions in May, you can refer to Itacare weather in May.

In comparing the weather of September and June, we see that both months have similar average temperatures, at around 24°C (75°F). However, June experiences slightly higher temperatures, with a maximum of 29°C (84°F) compared to September's maximum of 28°C (83°F). Precipitation is more frequent in June, with 107 mm (4.2 in) of rain over 25 days, while September has 79 mm (3.1 in) of rain over 20 days. Additionally, humidity is slightly higher in June at 80%, compared to 75% in September. For a detailed look at June weather in Itacaré, you can check Itacare weather in June.

In comparing the weather between September and July, both months exhibit relatively mild temperatures, with September showcasing a minimum of 19°C (66°F), an average of 24°C (75°F), and a maximum of 28°C (83°F). In contrast, July has a slightly lower average temperature of 23°C (73°F), with similar minimum and maximum temperatures of 19°C (66°F) and 29°C (84°F) respectively.

Precipitation is notably higher in July, totaling 106 mm (4.2 in) spread over 24 days, compared to September's 79 mm (3.1 in) over 20 days. Humidity remains quite similar across both months, with September at 75% and July at 78%. For detailed insights on July weather, you can check Itacare weather in July.

In comparing the weather of September and August, we observe some notable differences. September experiences slightly higher average temperatures, with a minimum of 19°C (66°F) and a maximum of 28°C (83°F), compared to August's 18°C (64°F) minimum and the same maximum of 28°C (82°F). Additionally, September has less precipitation, totaling 79 mm (3.1 in) over 20 days, whereas August sees a heavier 106 mm (4.2 in) spread over 22 days. Humidity levels are also quite similar in both months, with September at 75% and August at 76%. For more specifics on August weather in this region, you can check the details here: Itacare weather in August.

In September, the weather features a minimum temperature of 19°C (66°F), averaging around 24°C (75°F) with a maximum of 28°C (83°F). The month sees about 79 mm (3.1 in) of precipitation over 20 days, accompanied by a humidity level of 75%. In contrast, October shows a slight increase in temperatures, with a minimum of 20°C (68°F), an average of 25°C (77°F), and a maximum of 29°C (85°F). Rainfall in October is slightly higher at 83 mm (3.3 in), occurring over 18 days, while humidity remains relatively stable at 74%. For a more detailed overview of October's conditions, check out Itacare weather in October.

In September, the weather is generally warm with temperatures ranging from a minimum of 19°C (66°F) to a maximum of 28°C (83°F), averaging around 24°C (75°F). The month experiences significant rainfall, with 79 mm (3.1 in) of precipitation over about 20 days, accompanied by a humidity level of 75%.

By November, temperatures increase slightly, with a minimum of 21°C (70°F) and a maximum reaching 30°C (86°F), averaging 25°C (78°F). However, November also sees a rise in rainfall, with 170 mm (6.7 in) of precipitation spread across 23 days, and humidity decreases slightly to 73%. For more detailed information, you can visit Itacare weather in November.

In September, the weather tends to be mild, with temperatures ranging from a minimum of 19°C (66°F) to a maximum of 28°C (83°F) and an average of 24°C (75°F). The month experiences about 79 mm (3.1 in) of precipitation over 20 days, contributing to a relatively humid atmosphere with 75% humidity. In contrast, December sees warmer temperatures, with a minimum of 21°C (71°F) and a maximum reaching 31°C (87°F), averaging 26°C (79°F). This month also registers higher precipitation at 130 mm (5.1 in) over 22 days, although humidity decreases slightly to 72%. For a more detailed look at December weather in Itacaré, check out Itacare weather in December.

Compare Itacare's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Itacare

September in Itacaré presents a notable transition in weather, characterized by cooler temperatures that invite visitors to explore its stunning natural beauty. With an average temperature of 24°C (75°F), it's a refreshing change from the warmer summer months, offering a delightful balance of warmth and cool breezes. While precipitation remains relatively high, with rain spread across 20 days, the lush landscapes benefit greatly, enhancing the region's vibrancy. Humidity levels hover around 75%, adding a refreshing feel to the air. This unique blend of warmth and moisture makes September an ideal time to experience the lush scenery and cultural richness of Itacaré. For more detailed insights into the climate of this beautiful destination, visit Itacare Climate.