September Weather in Zaruma, Ecuador

Last updated: August 21, 2025

September in Zaruma, Ecuador brings a delightful blend of mild temperatures and significant rainfall. With maximums reaching 26°C (79°F) and averaging around 18°C (64°F), the weather is comfortably warm, while nighttime lows dip to a cool 11°C (52°F). This month experiences substantial precipitation, totaling 188 mm (7.4 in), over 26 rainy days, contributing to a humidity level of 62% that enhances the lush greenery of the region. Perfect for travelers and nature enthusiasts, September showcases the enchanting beauty of Zaruma amidst its frequent showers.

September Temperature in Zaruma

In September, Zaruma, Ecuador, experiences a delightful shift in temperatures, with minimums around 11°C (52°F) and maximums reaching up to 26°C (79°F). This month showcases a slightly warmer average of 18°C (64°F), making it a comfortable time for both locals and visitors to explore the region's enchanting landscapes. Notably, the gradual rise in maximum temperatures from early months hints at the transition to warmer seasons, while the steady lows indicate a refreshing coolness that persists throughout the year. September's mild climate invites outdoor activities, allowing everyone to bask in the charming ambiance of Zaruma.

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

The chart illustrates September temperature patterns in Zaruma, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Zaruma, 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).
JanFebMarAprMayJunJulAugSepOctNovDec636464646463636364636363
Data source: Temperature data for Zaruma 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 Zaruma

In September, Zaruma, Ecuador experiences a moderate shift in precipitation, with 188 mm (7.4 in) of rain spread over 26 days. This marks an increase from the drier months of July and August, which saw significantly lower totals of 153 mm (6.0 in) and 136 mm (5.4 in), respectively. As the region transitions towards the more intense rainfall expected in October, September acts as a precursor, hinting at the heightened wet season ahead. The consistent rainfall days throughout the month also maintain the lush greenery characteristic of Zaruma, showcasing the delicate balance between the wet and drier periods that define its unique climate.

September Precipitation Trends in Zaruma

The chart displays monthly precipitation patterns in Zaruma, 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 Zaruma, September typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec572631853619507258153136188361314591
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Zaruma

As September rolls into Zaruma, Ecuador, humidity levels begin to settle at 62%, a noticeable rise from the drier months of July and August, which recorded 67% and 57% respectively. The transition reflects a shift towards the more humid conditions characteristic of the region, as autumn approaches. Following a period of significant moisture accumulation from late spring through summer, marked by May’s peak at 92%, the gradual increase in September's humidity signals the onset of a wetter spell that will continue into the final months of the year. With October climbing back to 77%, and subsequent months averaging in the higher 80s, it's clear that the climatic rhythm in Zaruma is defined by these seasonal fluctuations, blending comfort and moisture as the year unfolds.

September Average Humidity in Zaruma

This chart illustrates the average monthly humidity levels in Zaruma, 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 Zaruma is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec81%79%86%88%92%87%67%57%62%77%82%87%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Zaruma

In September, Zaruma, Ecuador, experiences a highly intense UV Index of 16, categorized as extreme, with a short burn time of just 10 minutes. This trend reflects the region's persistent exposure to powerful sun rays throughout the year, especially during the first half, where UV indices often peak. After a slight dip in June and July, the UV levels recover sharply, peaking again in March and April with values of 17, consistently urging residents and visitors to prioritize sun safety. As the days turn into the twilight of the dry months, it's essential to remain vigilant against skin damage. For more detailed information on sun exposure, check the complete guide here: Zaruma UV Index.

Maximum UV Index Levels in Zaruma for September

The chart shows the monthly maximum UV Index (UVI) for Zaruma 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 Zaruma typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec151617171512121316151414
Data source: Zaruma 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 Zaruma

September in Zaruma, Ecuador, brings a delightful continuation of the sunshine trend, boasting 317 hours of bright, shining days. This is slightly less than the previous month, August, which recorded 327 hours, but still significantly above the earlier months of the year. As we transition from the heart of winter into spring, the increase in sunshine hours is notable, especially when compared to January's mere 220 hours. The trend clearly illustrates that as the year progresses, Zaruma enjoys a gradual crescendo of sunlight, peaking in mid-year before settling into a warm and luminous September. This shift in daylight hours not only brightens the landscape but also invites both locals and travelers to relish the vibrant outdoors.

Monthly Sunshine Duration in Zaruma: September Highlighted

The September sunshine duration represents the total number of hours Zaruma 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.
JanFebMarAprMayJunJulAugSepOctNovDec220h239h242h261h283h294h322h327h317h297h273h277h
Data source: Zaruma September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Zaruma During September

September in Zaruma, Ecuador, offers a moderate chance of sunny weather, with about 28% likelihood of sunshine. This month falls in a transitional phase, where the dry season gathers momentum following the wetter months of June and August, which recorded 24% and 33% sunny days, respectively. As the region heads towards October—a month known for its significantly lower 13% chance of sun—September serves as a delightful time to enjoy the dwindling rainfall and bask in the emerging sunshine. Overall, while not the sunniest month, September still presents a pleasant opportunity for outdoor activities amidst a backdrop of improving weather.

Percentage of Sunny Days in September in Zaruma

The chart illustrates the percentage of sunny days in Zaruma 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 Zaruma experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec10%7%6%11%31%24%51%33%28%13%8%8%
Data source: Zaruma September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Zaruma in September

In Zaruma, Ecuador, the daylight duration reveals an intriguing pattern throughout the year. From January to April, residents enjoy a consistent 12 hours of daylight, fostering vibrant mornings and productive afternoons. As the calendar shifts into May, daylight begins to wane slightly, dipping to 11 hours from May through August, creating a cozy, more intimate atmosphere. However, by September, the sun returns to grace the region with another 12 hours of daylight, reminiscent of the earlier months. This rhythm of light continues seamlessly into October and November, maintaining that 12-hour balance before the cycle resets in December. Thus, Zaruma's days ebb and flow with the sun, offering a dependable yet ever-changing experience of daylight throughout the year.

Average Daylight Hours in Zaruma for September

The chart illustrates the variation in daylight duration in Zaruma throughout the year, with September highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec12h 17m12h 12m12h 6m12h11h 56m11h 54m11h 54m11h 58m12h 4m12h 10m12h 16m12h 18m
Data source: Zaruma daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Zaruma

As September rolls around in Zaruma, Ecuador, the gentle whispers of the wind carry a refreshing change, with an average speed of 1.7 m/s (4 mph). This month stands out as a slight uptick compared to the calmer breezes of August at 1.8 m/s (4 mph) and the more tranquil conditions seen earlier in the year. Notably, the wind begins to pick up momentum during the mid-year months, with July recording the highest average speed, yet September maintains a comfortable breeziness that invites exploration of the stunning landscapes. As the year progresses, the winds tend to settle back down in October, hovering around 1.3 m/s (3 mph). Overall, this subtle rise in wind speed highlights September as a delightful transition, offering just the right balance between softness and vigor amidst the picturesque backdrop of Zaruma.

Average September Wind Speed in Zaruma

The chart displays monthly wind speed patterns in Zaruma, 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.
JanFebMarAprMayJunJulAugSepOctNovDec1.31.31.21.31.51.51.91.81.7 m/s1.31.21.3
Data source: Zaruma September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Zaruma Compares to Other Months

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

September and January exhibit some similarities in temperature but differ significantly in precipitation and humidity levels. In September, the weather features a comfortable average temperature of 18°C (64°F) with daytime highs reaching 26°C (79°F) and lows around 11°C (52°F). However, it experiences 188 mm (7.4 in) of rainfall over 26 days, resulting in a moderate humidity of 62%. In contrast, January has a slightly lower average temperature of 17°C (64°F) but still sees similar range, with highs of 25°C (78°F) and the same minimum of 11°C (52°F). Yet, January is notably wetter, with precipitation soaring to 572 mm (22.5 in) across 26 days and a higher humidity of 81%. For a more detailed look at January weather, you can explore Zaruma weather in January.

September and February in Zaruma present a mild climate, with average temperatures in both months hovering around 18°C (64°F). However, September typically sees slightly warmer highs reaching 26°C (79°F) compared to February's maximum of 25°C (78°F). Notably, February experiences significantly higher precipitation, with 631 mm (24.8 in) of rain over 28 days, compared to September's 188 mm (7.4 in) spread across 26 days. Additionally, humidity levels are higher in February at 79%, while September maintains a lower humidity of 62%. For more detailed weather information, you can check Zaruma weather in February.

In comparing the weather of September and March, both months present similar average temperatures, ranging from a minimum of 11°C (52°F) to an average of 18°C (64°F), with maximums of 26°C (79°F) in September and 25°C (77°F) in March. However, March experiences significantly higher precipitation, totaling 853 mm (33.6 in) across 31 days, while September has a comparatively lower total of 188 mm (7.4 in) over 26 days. Additionally, March has notably higher humidity at 85%, compared to September's 62%. For more detailed information about the weather in March, you can visit Zaruma weather in March.

When comparing September and April weather, both months feature similar average temperatures, hovering around 18°C (64°F), with September slightly cooler at a maximum of 26°C (79°F) compared to April's 25°C (78°F). However, April experiences significantly higher precipitation, measuring 619 mm (24.4 in) over 29 days, while September receives 188 mm (7.4 in) over 26 days. This results in April being not only wetter but also much more humid, with a humidity level of 88% compared to September's 62%. For more detailed weather information, you can check Zaruma weather in April.

In comparing the weather between September and May, both months exhibit similar average temperatures, ranging from a minimum of 11-12°C (52-54°F) to a maximum of 26°C (79°F). However, September is characterized by lower humidity at 62%, while May experiences a much higher humidity level of 92%. Additionally, May sees significantly more precipitation, with a total of 507 mm (20.0 in) over 29 days compared to September's 188 mm (7.4 in) over 26 days. This not only makes May a wetter month but also contributes to a much more humid atmosphere. For more detailed weather insights, you can visit Zaruma weather in May.

In comparing the weather between September and June, we see some notable differences. September tends to be slightly warmer, with average temperatures reaching 18°C (64°F) compared to June's 17°C (64°F). However, June has a higher humidity level at 87%, making it feel more muggy, while September's humidity is a bit lower at 62%. Precipitation also varies; June experiences more rainfall with 258 mm (10.1 in) over 26 days, compared to September's 188 mm (7.4 in) over the same number of days. For more detailed information, you can check Zaruma weather in June.

When comparing the weather in September and July, September tends to be slightly warmer with an average temperature of 18°C (64°F) compared to July's 17°C (63°F). However, both months have similar minimum temperatures, with September's minimum at 11°C (52°F) and July's at 10°C (51°F). September also experiences more precipitation, totaling 188 mm (7.4 in) over 26 days, while July has 153 mm (6.0 in) spread over 18 days. Additionally, humidity is a bit lower in September at 62%, compared to July’s 67%. For more specific details about July weather in Zaruma, check out this link: Zaruma weather in July.

In September, the weather shows a slight warming trend compared to August, with average temperatures reaching 18°C (64°F), up from August's average of 17°C (63°F). Both months experience similar maximum temperatures of 26°C (79°F), but September tends to be a little cooler at night, with a minimum of 11°C (52°F) compared to August's 10°C (50°F). However, September is noticeably wetter, recording 188 mm (7.4 in) of precipitation over 26 days, while August sees less rainfall at 136 mm (5.4 in) across only 20 days. The humidity also increases slightly from 57% in August to 62% in September. For more detailed information on August's weather patterns, you can check Zaruma weather in August.

In September, the weather features a moderate temperature range with a minimum of 11°C (52°F), an average of 18°C (64°F), and a maximum of 26°C (79°F). This month experiences significant precipitation, with 188 mm (7.4 in) over 26 days and a relative humidity of 62%. In contrast, October presents a similar temperature profile, maintaining the same minimum and maximum temperatures, but with a slight drop in average temperature to 17°C (64°F). However, October brings increased rainfall, totaling 361 mm (14.2 in) over 29 days, and a higher humidity level of 77%. For a detailed analysis of October's weather, you can check Zaruma weather in October.

In September, temperatures in Zaruma range from a minimum of 11°C (52°F) to a maximum of 26°C (79°F), with an average of 18°C (64°F). The month sees about 188 mm (7.4 in) of precipitation, occurring over 26 days, while the humidity levels sit at around 62%.

In contrast, November brings slightly cooler average temperatures, with a range of 11°C (52°F) to 25°C (77°F) and an average of 17°C (63°F). However, it is significantly wetter, as November records around 314 mm (12.4 in) of precipitation, also spread across 26 days, but with increased humidity levels of 82%. For more detailed information, you can visit Zaruma weather in November.

September and December offer distinct weather patterns, with September presenting slightly warmer temperatures and lower humidity. In September, the average temperature hovers around 18°C (64°F), reaching highs of 26°C (79°F) but also includes a fair amount of precipitation, totaling 188 mm (7.4 in) over 26 days. In contrast, December's temperatures are a bit cooler, with an average of 17°C (64°F) and a maximum of 24°C (76°F). However, it experiences significantly more rainfall, with 590 mm (23.2 in) spread across 30 days and higher humidity at 86%. For more information, you can check out Zaruma weather in December.

Compare Zaruma's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Zaruma

In September, Zaruma experiences a distinct weather pattern characterized by higher humidity and frequent rain, setting it apart from other months of the year. The average temperature remains mild, making outdoor activities a mixed bag. With precipitation occurring on nearly every day, the lush environment flourishes, transforming the landscape into a vibrant green. This wet season, while damp, brings a refreshing coolness that contrasts sharply with the drier, warmer months. For more detailed insights, you can explore the full weather specifics at Zaruma Climate.