September Weather in Cayambe, Ecuador

Last updated: August 21, 2025

In Cayambe, Ecuador, September brings a mix of mild temperatures and frequent rainfall. With maximum temperatures reaching 20°C (68°F) and an average of 11°C (53°F), the weather is generally cool, with nighttime lows dropping to 4°C (39°F). This month sees significant moisture, as the region experiences 107 mm (4.2 in) of precipitation spread over 19 days, contributing to a humidity level of approximately 63%. The combination of these elements creates a refreshing and vibrant atmosphere, making September a unique time to experience the lush landscapes of Cayambe.

September Temperature in Cayambe

In September, Cayambe, Ecuador experiences a refreshing climate, characterized by a minimum temperature of 4°C (39°F) and a pleasant average of 11°C (53°F), with daily highs reaching up to 20°C (68°F). This month marks a continuation of the mild temperatures seen throughout the year, with minimal fluctuation compared to previous months. While the evenings can feel a bit crisp, the daytime warmth invites outdoor exploration, making it an ideal time to enjoy the stunning landscapes. Overall, September offers a balanced climate perfect for both adventure and relaxation in this beautiful Andean region.

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

The chart illustrates September temperature patterns in Cayambe, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Cayambe, 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).
JanFebMarAprMayJunJulAugSepOctNovDec535353535353525253535353
Data source: Temperature data for Cayambe 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 Cayambe

In September, Cayambe, Ecuador experiences a moderate shift in its precipitation patterns, receiving 107 mm (4.2 in) of rainfall over 19 days. This marks a slight increase from the drier months of July and August, which saw significantly lower totals of 104 mm (4.1 in) and 77 mm (3.0 in), respectively. As winter transitions to spring, the rainfall begins to pick up again, hinting at the wetter months ahead. This gradual increase serves as a precursor for October, which brings a more robust rainfall average of 188 mm (7.4 in), indicating a return to the region's typically lush, verdant landscape.

September Precipitation Trends in Cayambe

The chart displays monthly precipitation patterns in Cayambe, 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 Cayambe, September typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec17819526326423815310477107188232211
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

September Humidity in Cayambe

In September, Cayambe, Ecuador experiences a noticeable shift in humidity levels, dropping to 63% after the more humid months of May and June, which saw peaks of 92% and 90% respectively. This decline marks a transitional phase as the dry season begins, following the wetter months of early and mid-year. As summer wanes and October approaches, humidity begins to rise again, settling around 76%. Overall, September stands out with its lower humidity, providing a more comfortable atmosphere compared to the surrounding months. Such fluctuations create a dynamic climate that beautifully showcases the varied weather patterns characteristic of this region throughout the year.

September Average Humidity in Cayambe

This chart illustrates the average monthly humidity levels in Cayambe, 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 Cayambe is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec82%80%86%86%92%90%72%60%63%76%85%86%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Cayambe

In Cayambe, Ecuador, September sees a UV Index of 16, firmly placing it within the extreme exposure category with a rapid burn time of just 10 minutes. This month, like its immediate predecessors, continues to display high UV levels, signaling a consistent trend of intense sunlight throughout the year. The UV Index remains notably elevated from January to May, consistently hovering around 17 to 18, before slightly decreasing in June and July. As the seasons shift, September retains a significant UV rating, emphasizing the need for protective measures. For more detailed insights, check out the Cayambe UV Index.

Maximum UV Index Levels in Cayambe for September

The chart shows the monthly maximum UV Index (UVI) for Cayambe 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 Cayambe typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec171718181714141516161514
Data source: Cayambe 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 Cayambe

In Cayambe, Ecuador, September shines brightly as one of the sunniest months of the year, boasting an impressive 280 hours of sunshine. Following a summer peak in August with a remarkable 295 hours, September maintains a warm glow, providing ample opportunity for outdoor adventures amidst the breathtaking Andean landscape. This trend of increasing sunlight during the middle months suggests a vibrant atmosphere for both locals and visitors alike, with daylight hours consistently rising from January's mere 197 hours to the summer highs. As the year transitions into autumn, the sunlight begins to taper off, yet September remains a beautiful bridge between the lush greenness of the rainy season and the approaching cooler months, making it a perfect time to experience nature's splendor.

Monthly Sunshine Duration in Cayambe: September Highlighted

The September sunshine duration represents the total number of hours Cayambe 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.
JanFebMarAprMayJunJulAugSepOctNovDec197h224h222h219h249h262h283h295h280h247h215h246h
Data source: Cayambe September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Cayambe During September

September in Cayambe, Ecuador, emerges as a notable highlight in the year’s weather patterns, showcasing a 29% chance of sunny days. This increase is a refreshing contrast to the more overcast months preceding it, where the likelihood of sunshine hovers between a mere 6% and 21%. As winter transitions to spring, the sunny disposition seen in September not only signals a marked improvement in weather but also invites outdoor activities and explorations of the region’s breathtaking landscapes. This upward trend in sunshine continues to hold promise as the year advances, making September an appealing choice for those seeking brighter skies.

Percentage of Sunny Days in September in Cayambe

The chart illustrates the percentage of sunny days in Cayambe 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 Cayambe experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec15%6%6%7%21%20%25%17%29%14%11%10%
Data source: Cayambe September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Cayambe in September

In Cayambe, Ecuador, September marks another month of consistent daylight duration, as residents bask in a steady 12 hours of sunlight. This remarkable stability stretches across the entire year, with each month delivering the same generous amount of light. This uniformity not only provides an ideal backdrop for outdoor activities but also fosters a sense of rhythm in the local lifestyle, making the most of the equatorial sun. As September unfolds, the predictable pattern of daylight serves as a gentle reminder of the beauty and balance inherent in nature's cycles.

Average Daylight Hours in Cayambe for September

The chart illustrates the variation in daylight duration in Cayambe throughout the year, with September highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec12h 6m12h 6m12h 6m12h 6m12h 6m12h 7m12h 6m12h 6m12h 6m12h 6m12h 6m12h 6m
Data source: Cayambe daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Cayambe

In September, the winds in Cayambe, Ecuador continue to be gentle, maintaining an average speed of 2.0 m/s (4 mph), which aligns with the breezy conditions noted in August. This marks a slight dip from the more vigorous 2.2 m/s (5 mph) seen in July, suggesting a transition toward calmer days as the year progresses. Interestingly, the chart of wind speeds reveals a gradual increase starting in May and peaking during the mid-year months, only to stabilize as autumn approaches. As the warmer seasons fade, the consistent enjoyment of soft breezes in September offers a delightful backdrop for the stunning landscapes of Cayambe, making it the perfect time for outdoor activities and exploration.

Average September Wind Speed in Cayambe

The chart displays monthly wind speed patterns in Cayambe, 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.
JanFebMarAprMayJunJulAugSepOctNovDec1.51.51.31.51.61.72.22.02.0 m/s1.41.21.4
Data source: Cayambe September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Cayambe Compares to Other Months

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

September and January exhibit notable differences in weather, though their average temperatures remain consistent at around 11°C (53°F). In September, the temperatures range from a chilly minimum of 4°C (39°F) to a pleasant maximum of 20°C (68°F), accompanied by 107 mm (4.2 in) of precipitation over 19 days. In contrast, January experiences slightly milder temperatures, with a minimum of 1°C (35°F) and a maximum that hovers around 20°C (67°F). However, it sees increased rainfall, totaling 178 mm (7.0 in) over 22 days, and higher humidity at 82%. For a closer look at January's climate specifics, you can visit Cayambe weather in January.

When comparing the weather in September and February, both months show similar average temperatures, with September averaging around 11°C (53°F) and February slightly higher at 12°C (53°F). However, February experiences significantly more precipitation, totaling 195 mm (7.7 in) over 26 days compared to September's 107 mm (4.2 in) spread across 19 days. Additionally, February has a higher humidity level at 79%, compared to September's 63%, contributing to a more humid feel during that month. For a more detailed look at February's weather, you can visit Cayambe weather in February.

September and March present distinct variations in weather conditions. In September, temperatures range from a minimum of 4°C (39°F) to a maximum of 20°C (68°F), with an average of 11°C (53°F). The month experiences moderate rainfall, totaling 107 mm (4.2 in) across 19 days, and humidity levels sit around 63%. In contrast, March is characterized by slightly warmer temperatures, with a minimum of 3°C (38°F) and a maximum of 19°C (67°F), and an average temperature of 12°C (53°F). However, it is also much wetter, receiving 263 mm (10.3 in) of precipitation over 29 days, coupled with higher humidity at 86%. For more detailed information, refer to Cayambe weather in March.

When comparing the weather in September and April, notable differences emerge. September features cooler temperatures, ranging from a minimum of 4°C (39°F) to a maximum of 20°C (68°F), with an average of 11°C (53°F). In contrast, April tends to be slightly warmer, with temperatures between 6°C (42°F) and 19°C (66°F), averaging 12°C (53°F). However, April is significantly wetter, experiencing 264 mm (10.4 in) of precipitation over 28 days, compared to September's 107 mm (4.2 in) over 19 days. Additionally, April's humidity levels are higher at 86%, compared to September's 63%. For more details on the specific conditions, check out Cayambe weather in April.

When comparing the weather in September and May, there are notable differences in temperature and precipitation. September generally experiences slightly cooler temperatures, with a minimum of 4°C (39°F) and a maximum of 20°C (68°F), whereas May has a minimum of 5°C (42°F) and a maximum of 19°C (67°F). In terms of precipitation, May is significantly wetter, receiving 238 mm (9.4 in) over 28 days compared to September's 107 mm (4.2 in) over 19 days. Additionally, humidity levels in May are higher at 92%, compared to 63% in September. For more detailed information on weather conditions during May, you can visit Cayambe weather in May.

When comparing the weather in September and June, notable differences can be observed. September tends to be slightly warmer, with average temperatures reaching 11°C (53°F) and maximums of 20°C (68°F), compared to June, which has a similar average but maxes out at 19°C (66°F). Precipitation levels are also distinct, as June experiences more rain with 153 mm (6.0 in) over 25 days, while September has 107 mm (4.2 in) across 19 days. Additionally, September's humidity at 63% is significantly lower than June's high humidity of 90%, creating a more comfortable atmosphere in early autumn. For a deeper insight into the climate specifics for June, check out Cayambe weather in June.

When comparing the weather in September and July, it's notable that both months exhibit similar average temperatures, with September slightly warmer with a maximum of 20°C (68°F) compared to July's 19°C (66°F). However, July sees slightly cooler minimum temperatures, averaging 3°C (38°F), while September starts at a minimum of 4°C (39°F). Precipitation levels are quite comparable as well, with September receiving 107 mm (4.2 in) over 19 days, while July has 104 mm (4.1 in) across 20 days. Notably, humidity is higher in July at 72%, as opposed to September’s 63%. For more detailed information on July weather, you can check Cayambe weather in July.

September's weather shows a slight increase in temperatures compared to August, with average temperatures hovering around 11°C (53°F) for both months, but September reaches a maximum of 20°C (68°F) compared to August's 19°C (67°F). Precipitation is notably higher in September, totaling 107 mm (4.2 in) over 19 days, whereas August received only 77 mm (3.0 in) over 17 days. Humidity also sees a slight uptick, sitting at 63% in September compared to 60% in August. For more detailed information, you can check Cayambe weather in August.

In comparing the weather between September and October, both months feature similar temperature ranges, with minimums at 4°C (39°F), averages at 11°C (53°F), and maximums reaching 20°C (68°F). However, October sees a significant increase in precipitation, with 188 mm (7.4 in) falling over 27 days, compared to September's 107 mm (4.2 in) over 19 days. Additionally, October's humidity rises to 76%, up from September's 63%, contributing to a more damp atmosphere. For more detailed insights, you can check out Cayambe weather in October.

In September, temperatures in Cayambe range from a minimum of 4°C (39°F) to a maximum of 20°C (68°F), with an average of 11°C (53°F). The month typically experiences 107 mm (4.2 in) of precipitation over 19 days, accompanied by a humidity level of 63%. In contrast, November sees slightly cooler temperatures, with a minimum of 3°C (38°F) and an average of 12°C (53°F), while still reaching a maximum of 20°C (68°F). Notably, November is much wetter, with 232 mm (9.1 in) of precipitation spread across 27 days and a significantly higher humidity level of 85%. This makes November a more humid and rainy month compared to September. For more detailed weather information, check out Cayambe weather in November.

In September, the weather is characterized by a mild average temperature of 11°C (53°F), with daytime highs reaching up to 20°C (68°F). The month experiences a significant amount of rainfall, totaling 107 mm (4.2 in) over 19 days, with a humidity level of 63%. In contrast, December offers slightly warmer temperatures, with an average of 12°C (53°F) and maximums around 19°C (67°F). However, it sees a notable increase in precipitation, with 211 mm (8.3 in) falling across 28 days and humidity rising to 86%. This makes December a wetter and more humid period compared to September. For more detailed insights, you can check Cayambe weather in December.

Compare Cayambe's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Cayambe

As September unfolds in Cayambe, the weather presents a distinct character compared to other months. With temperatures averaging around 11°C and peaking at 20°C, the coolness is a refreshing contrast to the warmer summer months. This month sees 107 mm of rainfall over 19 days, contributing to a notably 63% humidity that marks the onset of the wet season. The persistent drizzle and cooler temperatures provide a unique charm to the landscape, encouraging lush vegetation and vibrant flora. For those keen to explore the nuances of Cayambe's climate throughout the year, our detailed guide on Cayambe Climate offers a wealth of information.