Last updated: August 21, 2025
September in Guayaquil, Ecuador is characterized by warm temperatures and high humidity, making it an inviting time for visitors. Daily maximums reach around 30°C (87°F), while average temps hover at a comfortable 24°C (75°F), dipping to a minimum of 19°C (66°F) at night. However, the month is also marked by considerable precipitation, with 69 mm (2.7 in) of rain falling over approximately 16 days, contributing to the region's lush greenery. With an 86% humidity level, the atmosphere can feel quite balmy, offering a vibrant tropical experience throughout this period.
In September, Guayaquil, Ecuador experiences mild temperatures that are emblematic of its coastal climate. With minimums settling at 19°C (66°F) and reaching a comfortable average of 24°C (75°F), the city maintains a pleasant warmth that invites exploration. The highs, capping at 30°C (87°F), reflect a slight dip compared to the previous summer months, signaling the transition into the wetter season. This month continues the trend seen from the previous months, where the temperatures remain consistently mild, making it an ideal time for both locals and visitors to enjoy the vibrant atmosphere and rich culture of Guayaquil.
September in Guayaquil, Ecuador, marks a subtle transition in the city's precipitation patterns. With an average rainfall of 69 mm (2.7 in) spread over 16 days, this month signifies a slight uptick from the preceding dry spell in August, where only 46 mm (1.8 in) fell over 12 days. While September's rainfall remains relatively modest compared to the peak months of February and March, it serves as a gentle reminder of the impending wet season. As the year progresses, it’s evident that Guayaquil experiences its heaviest rains in the earlier months, making September a pivotal time as the city prepares for the more substantial downpours typically seen in the fall.
In Guayaquil, Ecuador, September experiences a humidity level of 86%, maintaining a consistent trend seen throughout the year. This month sits comfortably between the higher humidity levels of January and February, both hitting 88% and 87% respectively, and the slightly lower figures noted in the drier months of April and July. Interestingly, while humidity dips occasionally, it tends to hover around the mid-80s to high-80s percentile, indicating a fairly stable maritime climate. As the year progresses into October, humidity remains steady at 86%, reinforcing the notion that Guayaquil's tropical essence remains present even as seasons shift. Overall, September serves as a bridge, embodying the lush, warm characteristics typical of this vibrant coastal city.
In September, Guayaquil experiences a UV Index of 13, maintaining its trend of extreme exposure that characterizes much of the year. With a swift burn time of just 10 minutes, locals and visitors alike are reminded to take precautions against the sun’s intense rays. This month sits comfortably between the UV Index levels seen in the preceding months of August (11) and October (also 13), demonstrating a slight increase in solar intensity. As the year progresses, the UV Index remains consistently high, emphasizing the importance of sun safety in this vibrant coastal city. To learn more about UV levels throughout the year, visit Guayaquil UV Index.
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As September blossoms in Guayaquil, Ecuador, residents and visitors alike enjoy a delightful average of 290 sunshine hours, making it one of the sunniest months of the year. This follows a peak in August with 304 hours of radiant light, showcasing a vibrant summer climax before the gradual transition into the cooler fall months. Notably, the sunshine hours dip in October to 257 hours, yet still remain abundant compared to the beginning of the year. Overall, the upward trend in sunlight from January through August reflects the region's rich climate, while September retains a generous dose of warmth and brightness before the days start to shorten. Embrace the lingering summer spirit; Guayaquil in September is a splendid choice for those seeking sunshine!
In Guayaquil, Ecuador, September typically brings a 19% chance of sunny weather, marking a slight dip from the peak of the earlier months in the dry season. This month sits within a transitioning period where the likelihood of sunny days is lower compared to the sunny heights of July, which boasts 30% sunshine. Following the pattern of the year, September's weather hints at the onset of the wet season, as it gravitates toward the averages of October and November. With a modest chance of sunshine, visitors can expect a mix of overcast days and sunshine, offering a unique glimpse into the region's evolving climate.
In September, Guayaquil enjoys a consistent 12 hours of daylight, mirroring the pattern observed throughout much of the year. From January to May, the city experiences uninterrupted sunlight, establishing a rhythm of bright days that persists until June, when daylight dips to 11 hours. The return to 12 hours in August signals the start of a transition into spring, and September continues this trend, promising ample opportunities for outdoor activities. This remarkable consistency in daylight hours underscores Guayaquil's tropical climate, where sun-soaked days are a defining feature of life, inviting residents and visitors alike to revel in the vibrant atmosphere of this coastal city.
As September arrives in Guayaquil, the city experiences a delightful breeze, with average wind speeds reaching 2.5 m/s (6 mph). This month marks a notable point in the windy trajectory of the year, as it retains the stronger gusts developed over the previous months of July and August. Following a gradual increase from 1.4 m/s (3 mph) in March to 2.6 m/s (6 mph), the winds provide a refreshing contrast to the warmer days. Interestingly, this continuation hints at a consistent pattern where the winds grow stronger toward the year's end, culminating in November's peak of 2.8 m/s (6 mph). Thus, September showcases not only a pleasant wind but also serves as a precursor to the seasonal transition, ensuring Guayaquil’s charm remains enchanting throughout the year.
Weather in Guayaquil varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Guayaquil, focusing on differences in temperature, rainfall, humidity, and UV levels.
In September, the weather typically features mild temperatures, with averages around 24°C (75°F) and maximums reaching up to 30°C (87°F). The month experiences about 69 mm (2.7 in) of precipitation spread over 16 days, combined with a humidity level of 86%. In contrast, January presents warmer conditions, where minimum temperatures are around 22°C (71°F) and maximums soar to 34°C (93°F). This month also sees increased rainfall, totaling 198 mm (7.8 in) over approximately 20 days, and slightly higher humidity at 88%. For a detailed overview of January’s climate, you can check Guayaquil weather in January.
In comparing the weather between September and February, one can see notable differences in temperature and precipitation patterns. September typically features milder temperatures, with a minimum of 19°C (66°F), an average of 24°C (75°F), and a maximum of 30°C (87°F), accompanied by relatively lower precipitation of 69 mm (2.7 in) over 16 days and humidity around 86%. In contrast, February experiences warmer conditions, with minimum temperatures at 22°C (72°F) and maximums reaching 32°C (91°F), along with significantly higher rainfall totaling 363 mm (14.3 in) spread over 27 days, maintaining a similar humidity level of 87%. For those interested in exploring more about February weather, you can check out Guayaquil weather in February.
When comparing the weather between September and March, notable differences emerge. In September, temperatures range from a minimum of 19°C (66°F) to a maximum of 30°C (87°F), with an average of 24°C (75°F) and precipitation totaling 69 mm (2.7 in) over 16 rainy days. In contrast, March experiences warmer temperatures, with minimums reaching 22°C (72°F) and maximums soaring to 33°C (91°F), averaging 27°C (80°F). Precipitation in March is significantly higher, amounting to 495 mm (19.5 in) across 28 days, maintaining the same humidity level of 86%. For more detailed weather information, check out Guayaquil weather in March.
When comparing the weather in September and April, several key differences emerge. September typically has a lower temperature range, with minimums around 19°C (66°F) and maximums reaching 30°C (87°F), whereas April is warmer with minimums of 23°C (73°F) and maximums climbing to 32°C (91°F). Additionally, April experiences significantly higher precipitation, averaging 280 mm (11.0 in) over 26 days, compared to September's 69 mm (2.7 in) over 16 days. Despite this increased rainfall, April has a slightly lower humidity level at 84% compared to September's 86%. For more details on April weather in Guayaquil, visit Guayaquil weather in April.
In comparing the weather between September and May, we see some notable contrasts. September experiences slightly cooler temperatures with a minimum of 19°C (66°F) and an average of 24°C (75°F), while May heats up with minimums of 21°C (69°F) and averages around 26°C (79°F). Despite the mild temperatures in September, it has a lower amount of precipitation totaling 69 mm (2.7 in) over 16 days, compared to May's significantly higher rainfall of 214 mm (8.4 in) spanning 25 days. Humidity levels are quite similar in both months, with September at 86% and May at 87%. For a closer look at May weather, you can visit Guayaquil weather in May.
When comparing the weather in September and June, both months share similar maximum temperatures, peaking at around 30°C (87°F). However, September tends to be slightly cooler with an average temperature of 24°C (75°F), compared to June’s 25°C (77°F). Precipitation is notably higher in June, with an average of 112 mm (4.4 in) falling over 19 days, while September sees reduced rainfall at 69 mm (2.7 in) over 16 days. Humidity levels are almost identical, with September at 86% and June slightly higher at 87%. For a detailed look at June's weather, you can check out Guayaquil weather in June.
In comparing the weather of September and July, both months display similar temperature ranges, with September slightly cooler, featuring a minimum of 19°C (66°F) compared to July's 20°C (68°F). The average temperature remains consistent at 24°C (75°F) for both months, while the maximum temperature peaks at 30°C (87°F) in each case. Precipitation levels are nearly identical, with September recording 69 mm (2.7 in) and July at 70 mm (2.8 in), both occurring over 16 days. However, September experiences slightly higher humidity at 86%, compared to July's 84%. For more details, you can explore Guayaquil weather in July.
September and August share similar temperature ranges, with both months featuring a minimum of 19°C (66°F), an average of 24°C (75°F), and a maximum of 30°C (87°F). However, September experiences higher levels of precipitation, with 69 mm (2.7 in) over 16 days compared to August’s 46 mm (1.8 in) over 12 days. Humidity also slightly increases in September at 86%, compared to 84% in August. Overall, while the temperatures remain consistent between the two months, September tends to be wetter and a bit more humid. For more insights on August weather, check out Guayaquil weather in August.
In September, the weather features a minimum temperature of 19°C (66°F) and an average of 24°C (75°F), reaching a maximum of 30°C (87°F). The month sees about 69 mm (2.7 inches) of precipitation, occurring on 16 days, with a humidity level of 86%. In comparison, October presents a slightly warmer minimum temperature of 20°C (68°F) while maintaining the same average of 24°C (76°F) and a maximum of 31°C (88°F). Precipitation decreases to 60 mm (2.4 inches) over 14 days, yet the humidity remains consistent at 86%. For more detailed insights, you can check Guayaquil weather in October.
In comparing the weather of September and November, both months experience similar average temperatures, with September showing a range of 19°C to 30°C and November slightly higher at a minimum of 20°C and a maximum of 31°C. September tends to be wetter, with total precipitation of 69 mm over 16 days, while November has a significantly lower rainfall of 36 mm across only 10 days. Humidity levels remain high in both months, hovering around 86% in September and slightly increasing to 87% in November. For more detailed insights, you can visit Guayaquil weather in November.
In September, the weather typically features a minimum temperature of 19°C (66°F), with an average around 24°C (75°F) and a maximum reaching 30°C (87°F). With 69 mm (2.7 in) of rain spread over 16 days, the humidity level sits at a notable 86%. In contrast, December experiences slightly warmer conditions, with minimum temperatures of 21°C (69°F) and an average of 25°C (78°F), peaking at 32°C (89°F). The month sees increased precipitation of 105 mm (4.1 in) over 15 days, with humidity rising to 88%. For more detailed insights, visit Guayaquil weather in December.
As September rolls into Guayaquil, the city experiences a unique blend of warmth and frequent rain, setting it apart from other months. With daily temperatures hovering comfortably around 24°C, the warm days are often accompanied by high humidity at 86%, making the air feel pleasantly tropical. However, this month stands out due to its increased rainfall, with about half of the days seeing precipitation. While other months may offer drier conditions or hotter highs, September’s combination of warmth and wetness creates a vibrant landscape that breathes life into the city’s charm. For a deeper dive into what to expect throughout the year, check out Guayaquil Climate.