Last updated: August 21, 2025
In September, Quito, Ecuador experiences mild and humid weather, characterized by a maximum temperature of 21°C (70°F) and an average of 14°C (57°F). This month is notably wet, with 192 mm (7.6 in) of precipitation spread over 28 days, creating a lush, vibrant landscape. The humidity level sits at a comfortable 63%, making for a refreshing atmosphere despite the frequent showers. Visitors can expect a dynamic climate, perfect for exploring the city's cultural treasures amidst the rain.
September in Quito, Ecuador sees temperatures that align closely with the city's characteristic cool climate. With mild lows around 7°C (45°F) and average daytime temperatures reaching up to 14°C (57°F), the weather is comfortably crisp, perfect for exploration. As the month progresses, daytime highs hover around 21°C (70°F), making it ideal for outdoor activities. This consistency in temperature reflects Quito's unique positioning near the equator, where dramatic fluctuations are rare. As summer transitions into fall, September remains a delightful time to experience the rich culture and vibrant landscapes of this breathtaking Andean city.
September in Quito, Ecuador, marks a noticeable transition in the city's precipitation patterns. With 192 mm (7.6 in) of rain spread over 28 days, the month experiences a relatively heavy downpour that continues the wet season trend seen since early in the year. Notably, this rainfall is a dip from the peak months of March and April, where precipitation soared above 300 mm. However, September still contributes to Quito's reputation for lush greenery, as it precedes October's return to higher rainfall levels. This rhythm of gradually decreasing and then increasing precipitation illustrates the city's typical wet season cycle, making September a pivotal month in the annual climate narrative of this beautiful Andean city.
In September, Quito experiences a noticeable drop in humidity, averaging around 63%, which marks a refreshing transition from the preceding months. This trend of decreasing humidity begins in July, where it peaks at 72%, and continues its decline through August. However, as the city moves into the latter part of the year, humidity begins to climb again, reaching 76% in October. Overall, September serves as a brief respite in humidity levels, offering a slightly drier atmosphere before the return of the more humid months in the fall. This cyclical pattern highlights Quito's unique climate dynamics and the subtle shifts in moisture throughout the year.
In September, Quito, Ecuador, continues to experience an extreme UV Index of 17, consistent with the ongoing trend of high UV levels throughout the year. This intensity means that unprotected skin can begin to burn in as little as 10 minutes, urging both residents and visitors to take precautions against harmful sun exposure. Interestingly, the UV Index has remained notably elevated from January through to May, peaking in March and April at 19, before slightly declining and still maintaining a significant level of intensity in the latter months. With such persistent UV exposure, staying informed and proactive is key; check out the detailed information on the Quito UV Index to keep your skin safe while enjoying this vibrant city.
UV Risk Categories
September in Quito, Ecuador, continues the trend of abundant sunshine that characterizes the city during the dry season. With 281 hours of sunlight, it ranks as one of the sunniest months of the year, just behind the peak of August, which offers an impressive 300 hours. This sunny streak is indicative of the region's climate, where daylight hours reach their zenith in the middle of the year. Following the vibrant summer months, September still provides a warm and inviting atmosphere, making it a perfect time for outdoor adventures and exploration of the rich cultural heritage that Quito has to offer. As the year progresses into October, sunlight begins to taper off, but September's glow leaves a lasting impression on both residents and visitors alike.
In Quito, Ecuador, the likelihood of enjoying sunny weather significantly improves by September, offering a 30% chance of clear skies. This marks a notable increase from the previous months, where the chances hovered around 20% or less. Particularly, July stands out with a 34% likelihood, suggesting a warming trend as the year progresses. Following the sunny peak in July, September continues to hold its ground, balancing optimal sunlight with the onset of late-year humidity. As the rainy season approaches, visitors in September can experience some of the best weather the city has to offer, making it an ideal time to explore the stunning landscapes and vibrant culture of Quito.
In Quito, Ecuador, the consistent rhythm of day and night creates a unique experience throughout the year. Notably, September showcases a remarkable hallmark of this equatorial city—exactly 12 hours of daylight. This perfect balance persists from January to December, illustrating a captivating trend of uniformity in daylight duration. The steady hour count invites both locals and visitors to engage in outdoor activities and explore the vibrant culture beneath the sun's embrace, making each day feel refreshingly similar, yet full of opportunities for new adventures.
As September unfolds in Quito, Ecuador, the average wind speed picks up slightly to 1.4 m/s (3 mph), mirroring the gentle trends observed in the previous months of July and August. This subtle increase hints at the onset of more lively breezes that can invigorate the city, inviting residents and visitors alike to enjoy outdoor activities. With the wind maintaining a steady pace throughout much of the year, from 1.2 m/s in the earlier months to a slight uptick in September, the air remains refreshingly crisp, creating a perfect backdrop for the city's vibrant life. Whether strolling through lush parks or exploring historic streets, the pleasant winds of September carry with them a promise of warmth and a touch of adventure.
Weather in Quito varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Quito, focusing on differences in temperature, rainfall, humidity, and UV levels.
When comparing the weather in September and January, we notice some notable differences. September tends to have slightly warmer temperatures, with an average of 14°C (57°F) compared to January's average of 13°C (56°F). However, January can reach a maximum of 22°C (72°F), which is comparable to September's high of 21°C (70°F). In terms of precipitation, January is wetter, receiving 254 mm (10.0 in) over 25 days, whereas September has 192 mm (7.6 in) over 28 days. Additionally, January exhibits higher humidity levels at 82%, compared to September's 63%. For more details on Quito's weather in January, visit Quito weather in January.
When comparing the weather in September and February, we find that both months feature similar maximum temperatures, peaking at around 21°C (70°F). However, September experiences slightly cooler average temperatures, with a minimum of 7°C (45°F) compared to February's min of 8°C (46°F). February sees higher total precipitation at 288 mm (11.3 in) across 27 days, in contrast to September's 192 mm (7.6 in) over 28 days, which contributes to increased humidity levels of 79% in February compared to 63% in September. For more details on weather conditions, you can check Quito weather in February.
September and March both feature mild temperatures, with September slightly warmer on average at 14°C (57°F) compared to March's average of 13°C (56°F). However, March experiences significantly higher precipitation at 345 mm (13.6 in) over 30 days, compared to September's 192 mm (7.6 in) spread over 28 days. Additionally, March has a higher humidity level at 86%, making it feel more damp compared to September's 63%. For more detailed information on March weather, you can visit Quito weather in March.
In comparing the weather between September and April, both months experience similar temperature ranges, with September averaging 14°C (57°F) and April averaging slightly lower at 13°C (56°F). However, April tends to be wetter, with a higher total precipitation of 335 mm (13.2 in) compared to September's 192 mm (7.6 in), and it also records rainfall over a longer duration of 30 days versus September's 28 days. Additionally, April has a significantly higher humidity level at 86%, compared to September's 63%. For more detailed insights, you can check out Quito weather in April.
In comparing the weather of September and May, both months exhibit similar minimum temperatures, with a low of 7°C (45°F) and an average of 14°C (57°F). However, May tends to be slightly warmer, reaching a maximum of 22°C (71°F) compared to September's 21°C (70°F). Notably, May experiences significantly higher precipitation, with 296 mm (11.6 in) over 30 days, compared to September's 192 mm (7.6 in) over 28 days. Additionally, the humidity levels are markedly higher in May at 92%, compared to 63% in September. This contrast makes May feel considerably more humid and wetter overall. For more detailed information, check out Quito weather in May.
When comparing the weather of September and June, both months exhibit similar average temperatures, with September having a minimum of 7°C (45°F) and June slightly cooler at 6°C (44°F). Both months reach a maximum of around 21°C (70°F to 71°F), providing a comfortable range for outdoor activities. However, June experiences higher humidity, at 90%, compared to September's 63%, making June feel more muggy. Precipitation levels are quite comparable, with September seeing 192 mm (7.6 in) over 28 days and June slightly lower at 190 mm (7.5 in) over 29 days. For more detailed insights on the weather, you can explore Quito weather in June.
When comparing the weather in September and July, both months exhibit mild temperatures, with maximums reaching around 21°C (70°F). September tends to be slightly warmer on average, with temperatures ranging from a minimum of 7°C (45°F) to a maximum of 21°C (70°F), compared to July's range of 6°C (43°F) to 21°C (70°F). Precipitation levels are notably higher in September at 192 mm (7.6 in) over 28 days, while July sees 136 mm (5.4 in) spread across 27 days. Additionally, September has a lower humidity level at 63% compared to July's higher humidity at 72%. For more detailed insights on July weather specifically, check out Quito weather in July.
In comparing the weather patterns of September and August, both months experience similar temperature ranges with minimums at 7°C (45°F) and average temperatures around 14°C (57°F). However, September slightly cools off with a maximum temperature of 21°C (70°F), compared to August's peak of 22°C (72°F). This subtle drop in temperature accompanies a significant increase in precipitation, with September receiving 192 mm (7.6 in) over 28 days, compared to August's 137 mm (5.4 in) over 27 days. Additionally, September's humidity is marginally higher at 63%, compared to August's 60%. For more details on the weather in August, you can visit Quito weather in August.
September and October weather in Quito reveals some interesting comparisons. In September, temperatures typically range from a minimum of 7°C (45°F) to a maximum of 21°C (70°F), with an average temperature of 14°C (57°F). The month experiences considerable rainfall, accumulating 192 mm (7.6 in) of precipitation over 28 days, along with a humidity level of 63%.
In contrast, October sees slightly cooler temperatures, with a minimum of 6°C (44°F), an average of 13°C (56°F), and a maximum of 22°C (73°F). Rainfall increases significantly, totaling 280 mm (11.0 in) over 29 days, while humidity rises to 76%. For a closer look at what to expect during this month, you can check out Quito weather in October.
In September, the weather in Quito is characterized by mild temperatures, with a minimum of 7°C (45°F) and a maximum of 21°C (70°F), averaging around 14°C (57°F). The month experiences significant precipitation, with 192 mm (7.6 in) spread over 28 days, and humidity levels averaging 63%. In contrast, November sees slightly cooler temperatures, with a minimum of 5°C (42°F) and a maximum of 20°C (69°F), while the average remains at 13°C (56°F). However, November is notably wetter, with a total precipitation of 309 mm (12.2 in), maintaining the same frequency of rainy days. The increased humidity in November rises to 85%, creating a distinctly damp atmosphere. For more detailed information, you can check Quito weather in November.
When comparing the weather in September and December, there are some notable differences. September typically experiences a slightly wider temperature range, with average highs around 21°C (70°F) and lows near 7°C (45°F). In contrast, December offers a similar low at 6°C (44°F), but higher average rainfall at 332 mm (13.1 in) spread over 30 days compared to September’s 192 mm (7.6 in) over 28 days. Additionally, December sees increased humidity levels at 86%, making the air feel much more humid than in September, which has a humidity of 63%. For more specifics on December weather, you can check out Quito weather in December.
As September rolls into Quito, visitors can expect a unique blend of mild temperatures and high humidity that differentiates it from other months. The average temperature settles around a cool 14°C (57°F), while maximums peak at a comfortable 21°C (70°F). However, this month is notably characterized by frequent rainy days, with precipitation occurring on nearly every day of September, totaling a significant 192 mm (7.6 in). This persistent drizzle, coupled with a humidity level of 63%, creates a lush and vibrant atmosphere throughout the city. For those eager to dive deeper into Quito's climate patterns, more details can be found here: Quito Climate.