Last updated: August 21, 2025
Experience the vibrant September weather in Guarapari, Brazil, where temperatures reach a cozy maximum of 29°C (84°F) and settle to a pleasant average of 23°C (73°F). As the days transition, nighttime coolness brings temperatures down to a restful minimum of 18°C (65°F). While there's a moderate precipitation total of 65 mm (2.5 in) spread across about 7 days, the humidity level hovers around 72%, creating a refreshing coastal atmosphere perfect for beachgoers and nature lovers alike. Enjoy the enchanting blend of sun, sea, and the gentle rhythms of this tropical paradise!
In September, Guarapari begins to feel the warmth of spring, with temperatures on the rise. The minimum temperature nudges upwards to 18°C (65°F), making early mornings pleasantly mild, while the average temperature stabilizes at 23°C (73°F)—perfect for those looking to enjoy outdoor activities. The maximum temperature reaches a comfortable 29°C (84°F), inviting beachgoers and sun-seekers to bask under the Brazilian sun. This month marks a gradual transition from the cooler winter months, highlighting a trend of increasing warmth that will continue into the summer. As the days stretch and the sun shines brighter, September serves as a delightful prelude to the vibrant energy that characterizes Guarapari's warmer months.
In September, Guarapari experiences a modest rainfall of 65 mm (2.5 inches) over just 7 days, marking a slight increase compared to the drier months of July and June. This transition into the wetter season signals the beginning of a more humid climate, following the drier summer months. As the year progresses, precipitation begins to intensify, with October and November poised to bring significantly higher amounts, reaching 108 mm (4.2 inches) and 152 mm (6.0 inches), respectively. This upward trend underscores the shift to the rainy season, providing essential moisture that nurtures the region’s lush landscapes.
As September rolls in, Guarapari, Brazil, experiences a noticeable shift in humidity, dipping to 72%. This marks a continuation of the general downward trend seen since the peak of 86% in March. Following the height of the rainy season, humidity levels gradually decrease, with August already showing a lower average of 75%. By the time September arrives, the air feels drier and more comfortable, offering a pleasant reprieve before the humidity begins to rise again in the final months of the year. Overall, these September conditions create an inviting atmosphere for outdoor activities, further complemented by the area's stunning coastal scenery.
As September rolls into Guarapari, Brazil, the UV Index remains notably high at 12, categorizing exposure as extreme with a quick burn time of just 10 minutes. This is consistent with the pattern observed earlier in the year, where the UV Index predominantly stayed within the extreme range from January through April, reflecting the region's intense sun exposure. Following a slight dip in the summer months, the UV levels climb again as the seasons transition, underscoring the need for effective sun protection even as the days begin to shorten. This trend reinforces the importance of staying vigilant with sun safety practices year-round. For more insights, check the Guarapari UV Index.
UV Risk Categories
In September, Guarapari basks in a splendid 310 hours of sunshine, a delightful continuation of the summer’s warmth that began earlier in the year. This vibrant coastal town consistently enjoys a sunny disposition, with the hours of sunlight peaking in the lively months of March and December, both offering over 316 and 329 hours, respectively. As we transition from the cooler winter months of June and July, which still provide a respectable 296 and 309 hours of sunlight, September stands out with its bright golden days. Overall, the trend reveals an inviting atmosphere throughout the year, especially during the spring and summer, making Guarapari an ideal destination for sun-seekers looking to embrace the sunlit beauty of this Brazilian paradise.
In September, Guarapari enjoys a 51% chance of sunny weather, marking a balance between the brighter months of July and August and the cloudier days that lie ahead in October. This moderate probability signals the tail end of the dry season, with lingering warmth from winter and the onset of spring. Just as the sun begins to peek through more frequently, this transitional month hints at a refreshing shift in climate, encouraging outdoor activities and beach outings. Compared to February’s low of 28%, September offers a noticeable improvement, reinforcing its appeal for sun-seekers before the rainy season sets in.
In September, Guarapari experiences approximately 11 hours of daylight, a duration that aligns with the trend observed during the mid-year months. Following the longer days of January and February, which boast up to 13 hours, daylight begins to gradually decrease until it reaches its shortest in June with just 10 hours. However, September maintains this consistent 11-hour mark, similar to the preceding months of April, May, July, and August. As the year progresses into October and November, daylight duration will once again rise to 12 and 13 hours respectively, signaling the approach of the summer season. This rhythmic cycle of daylight in Guarapari orchestrates a beautiful balance between the seasons, capturing the essence of its tropical climate.
As September arrives in Guarapari, Brazil, the coastal breeze begins to pick up, reaching an average wind speed of 4.8 m/s (11 mph). This marks a noticeable increase from the preceding months, hinting at the transition from winter to spring. After experiencing a gentle lull during the earlier months, where speeds hovered around 3.1 to 4.2 m/s, September’s winds echo the vibrancy of the approaching summer, invigorating the landscape and offering a refreshing contrast to the still air of June and July. The trend continues into October, where winds slightly decline, allowing for a perfect blend of mild temperatures and breezy conditions that characterize this coastal paradise.
Weather in Guarapari varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Guarapari, focusing on differences in temperature, rainfall, humidity, and UV levels.
September and January exhibit warm weather conditions, but with some key differences. September has a minimum temperature of 18°C (65°F) and an average of 23°C (73°F), peaking at 29°C (84°F). It experiences more rainfall with 65 mm (2.5 in) over about 7 rainy days, maintaining a humidity level of 72%. In contrast, January tends to be slightly warmer, with minimum temperatures of 22°C (72°F) and an average of 26°C (79°F), reaching a maximum of 30°C (87°F). The precipitation in January is slightly lower at 58 mm (2.3 in) over 6 days, accompanied by a higher humidity level of 80%. For more detailed insights, check out Guarapari weather in January.
In comparing the weather between September and February, we see a noticeable difference in temperature and precipitation levels. September boasts milder temperatures with a minimum of 18°C (65°F) and an average of 23°C (73°F), peaking at 29°C (84°F). In contrast, February tends to be warmer with temperatures ranging from a minimum of 21°C (71°F) to an average of 26°C (79°F) and a maximum of 32°C (89°F). Precipitation is also more frequent in February, with 135 mm (5.3 in) over 13 days, compared to September's 65 mm (2.5 in) across 7 days. Additionally, February experiences higher humidity, averaging 85% compared to September's 72%. For a detailed look at February weather, you can refer to Guarapari weather in February.
In comparing the weather between September and March, it’s evident that March tends to be warmer and more humid. September experiences milder temperatures with averages around 23°C (73°F) and a maximum of 29°C (84°F), while March boasts higher temperatures, averaging 26°C (79°F) and peaking at 31°C (88°F). Additionally, March sees significantly more rainfall, accumulating 109 mm (4.3 in) over approximately 13 days, compared to September's 65 mm (2.5 in) over 7 days. The increased humidity in March, averaging 86%, adds to the overall warmth, contrasting with September's lower humidity of 72%. For more details, you can refer to Guarapari weather in March.
When comparing the weather in September and April, we find notable differences in temperature and precipitation. September features a mild temperature range with a minimum of 18°C (65°F) and an average of 23°C (73°F), while April enjoys slightly warmer weather, with a minimum of 20°C (68°F) and an average of 25°C (77°F). Additionally, April sees higher maximum temperatures, reaching up to 31°C (88°F) compared to September's 29°C (84°F). In terms of precipitation, April is significantly wetter, receiving 101 mm (4.0 in) over 14 days, in contrast to September's 65 mm (2.5 in) across 7 days. This increase in rainfall also contributes to higher humidity in April, which averages around 85%, compared to September's 72%. For more detailed insights, you can check out Guarapari weather in April.
When comparing the weather in September and May, both months exhibit similar average temperatures, with September averaging 23°C (73°F) and May also at 23°C (74°F). However, May tends to be slightly warmer with a maximum temperature reaching 30°C (86°F) compared to September's peak of 29°C (84°F). Precipitation is more pronounced in May, accumulating to 75 mm (2.9 in) over 11 days, while September sees 65 mm (2.5 in) across just 7 days. Additionally, humidity levels are notably higher in May at 82%, compared to September's 72%. For more specific information about May weather in Guarapari, you can check out Guarapari weather in May.
September and June share similar average temperatures, both ranging from a minimum of 18°C (65°F) to a maximum of 29°C (84°F in September and 85°F in June). However, June experiences slightly less precipitation at 44 mm (1.7 in), compared to September's 65 mm (2.5 in), despite having more rainy days, totaling nine in June versus seven in September. Additionally, the humidity in June is higher at 81%, while September's humidity is around 72%. For a closer look at June weather specifics, check out Guarapari weather in June.
In comparing the weather of September and July, September tends to be slightly warmer, with average temperatures reaching 23°C (73°F) compared to July's 22°C (71°F). Although both months experience warm conditions, September's maximum temperature can peak at 29°C (84°F), while July reaches a maximum of 28°C (84°F). Precipitation is notably higher in September at 65 mm (2.5 in) over 7 days, compared to July's 34 mm (1.3 in) over 10 days. Additionally, September's humidity is slightly lower at 72%, while July has a higher humidity level of 79%. For more detailed insights into the weather patterns, you can check Guarapari weather in July.
Comparing the weather between August and September, we see that September typically enjoys slightly warmer temperatures, with an average of 23°C (73°F) compared to August's 22°C (71°F). The maximum temperature in September can reach 29°C (84°F), which is a notable increase from August’s maximum of 27°C (81°F). However, September also has slightly higher precipitation, amounting to 65 mm (2.5 in) over 7 days, compared to August's 61 mm (2.4 in) spread over 10 days. Humidity levels remain comparable, with September at 72% and August slightly higher at 75%. For a more detailed look at August weather, you can visit Guarapari weather in August.
September and October exhibit a gradual transition in weather patterns. In September, temperatures range from a minimum of 18°C (65°F) to a maximum of 29°C (84°F), with an average of 23°C (73°F) and a total precipitation of 65 mm (2.5 in) over 7 rainy days. The humidity level is moderately high at 72%. In contrast, October brings slightly warmer conditions, with temperatures ranging from 19°C (66°F) to 29°C (85°F) and an average of 24°C (75°F). However, it also experiences increased rainfall, totaling 108 mm (4.2 in) over 13 days, while humidity drops to 66%. For more detailed insights, check out Guarapari weather in October.
In September, the weather presents a mild warmth with minimum temperatures around 18°C (65°F) and an average of 23°C (73°F), peaking at a maximum of 29°C (84°F). The month sees a fair amount of rain, with 65 mm (2.5 in) of precipitation spread over about 7 days, and humidity levels at 72%.
Conversely, November brings slightly warmer conditions, with minimum temperatures rising to 20°C (67°F) and an average of 24°C (75°F), culminating in maximum temperatures of 30°C (87°F). However, it also experiences a significant increase in rainfall, totaling 152 mm (6.0 in) over 16 days, while humidity remains a bit lower at 69%. For more detailed information on November's weather, you can check out Guarapari weather in November.
In comparing the weather between September and December, we see a slight increase in temperatures, with September averaging 23°C (73°F) and December rising to an average of 25°C (77°F). September features minimum temperatures of 18°C (65°F) and maximums of 29°C (84°F), while December ranges from a minimum of 20°C (69°F) to a maximum of 30°C (86°F). Notably, December experiences significantly higher precipitation at 167 mm (6.6 in), occurring over 12 days, compared to September's 65 mm (2.5 in) over 7 days. Despite the increased humidity remaining constant at 72%, December tends to feel wetter and more tropical. For more detailed information on the weather specific to Guarapari, you can check Guarapari weather in December.
As September unfolds in Guarapari, visitors can expect a transitional month characterized by mild temperatures and moderate humidity. With average highs reaching a comfortable 29°C, this period marks a shift from the sultry summer heat, offering a more enjoyable climate for outdoor activities and beachgoers. Although precipitation is present on about a week of the month, the overall rainfall, while noticeable, does not overshadow the sunny days. This balance of warmth and occasional showers creates a delightful atmosphere that is unique to September compared to the drier and hotter months that precede it. For those seeking to understand Guarapari's weather patterns further, be sure to check out Guarapari Climate.