September Weather in Huayllay, Peru

Last updated: August 27, 2025

In Huayllay, Peru, September brings a cool and moist climate, with temperatures ranging from a comfortable maximum of 14°C (57°F) to a brisk minimum of -4°C (25°F). The average temperature settles at a chilly 4°C (40°F), perfect for those who enjoy sweater weather. This month witnesses 78 mm (3.1 in) of precipitation across 19 rainy days, resulting in a relative humidity of 40% that adds a refreshing crispness to the air. Nature thrives in this vibrant setting, making it an ideal time for visitors to experience the stunning landscapes and rich biodiversity of the region.

September Temperature in Huayllay

In September, Huayllay, Peru, experiences cool temperatures, with a minimum of -4°C (25°F) and an average of 4°C (40°F), peaking at a maximum of 14°C (57°F). As the transition to spring occurs, the temperatures remain stable, showing little variation from the preceding months of August and July. This consistency reflects a gradual warming trend as the region moves towards the end of winter, making it a tranquil time to enjoy the unique beauty of Huayllay's landscapes, where the crisp air complements the stunning highland scenery. Visitors can expect cool days that often call for layers, offering a refreshing escape into the serene Andean environment.

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

The chart illustrates September temperature patterns in Huayllay, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Huayllay, 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).
JanFebMarAprMayJunJulAugSepOctNovDec424242414039383939414242
Data source: Temperature data for Huayllay generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

September Precipitation in Huayllay

In September, Huayllay experiences a notable rainfall increase, with 78 mm (3.1 in) of precipitation recorded over 19 days. This marks a return to a wetter pattern following the drier months of July and August, reflecting a transition towards the more substantial rains typical of the upcoming months. Not only does this month see a bump in rainfall, but it also prepares the landscape for the heavier deluges of October and November, which often feature more intense precipitation. As the season shifts, the rain provides much-needed moisture, revitalizing the region's flora and contributing to the vibrant ecosystem that characterizes Huayllay.

September Precipitation Trends in Huayllay

The chart displays monthly precipitation patterns in Huayllay, 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 Huayllay, September typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec1842142201117831254178122164197
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Huayllay

In September, Huayllay experiences a notable shift in humidity, dipping to 40% after the low of 38% in August. This slight increase marks a transition from the dry winter months of June and July, where humidity levels dropped significantly to 47% and 65% respectively. As the region moves towards the end of the year, humidity steadily climbs, culminating in the rainy season characterized by much higher levels, peaking at 91% in both January and March. The trends reveal a distinct seasonal pattern, with September acting as a bridge between the dry winter and the upcoming wetter months, making this period a critical time for both agriculture and natural ecology in the area.

September Average Humidity in Huayllay

This chart illustrates the average monthly humidity levels in Huayllay, 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 Huayllay is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec91%90%91%89%85%65%47%38%40%56%76%90%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Huayllay

September in Huayllay, Peru, continues the trend of extreme UV Index levels, registering at 17, with a consistent burn time of just 10 minutes. The summer months show a high UV Index, peaking at 20 in January through March, gradually tapering off as the year progresses but still maintaining significant UV intensity. As you transition from August's 15 to September's 17, it's clear that while there may be slight fluctuations, the risk of sunburn remains a critical concern year-round in this region. Stay vigilant and protect your skin, especially in the high-altitude environment of Huayllay. For more detailed information on UV levels throughout the year, check out Huayllay UV Index.

Maximum UV Index Levels in Huayllay for September

The chart shows the monthly maximum UV Index (UVI) for Huayllay 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 Huayllay typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec202020181513141517191918
Data source: Huayllay 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 Huayllay

September in Huayllay, Peru, continues the trend of abundant sunshine, with 317 hours of bright daylight, marking it as one of the sunniest months of the year. As the seasons transition from winter to spring, the days remain filled with golden rays, though slightly less than the peak of 334 hours in August. This gradual decline is typical as the year progresses towards its end, yet September still shines with more sunlight than the early months of the year. With sunshine hours consistently climbing from 211 in January to a remarkable 334 in August, the vibrant energy of Huayllay makes September a delightful time to soak in the warmth and explore the stunning landscapes bathed in this natural glow.

Monthly Sunshine Duration in Huayllay: September Highlighted

The September sunshine duration represents the total number of hours Huayllay 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.
JanFebMarAprMayJunJulAugSepOctNovDec211h239h260h296h323h308h327h334h317h312h273h276h
Data source: Huayllay September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Huayllay During September

In Huayllay, Peru, the likelihood of sunny weather shows a distinct pattern throughout the year. As winter transitions to spring, September offers a 21% chance of sunshine, marking a slight dip from the sunnier months of July and August, which enjoy peaks of 38% and 33% respectively. This seasonal shift suggests a gradual reduction in clear skies as the region moves towards the wetter months. Notably, the months with the highest probabilities of sunshine occur in the middle of the year, creating a vibrant contrast with the gloomier, cloud-covered days of January, February, November, and December, which experience chances as low as 5%. With September's blend of sunny spells and cooling temperatures, it remains a transitional month that signals the end of the dry season, inviting visitors to relish in the captivating landscapes of Huayllay.

Percentage of Sunny Days in September in Huayllay

The chart illustrates the percentage of sunny days in Huayllay 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 Huayllay experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec5%7%6%14%24%22%38%33%22%16%5%14%
Data source: Huayllay September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Huayllay in September

In Huayllay, Peru, the rhythm of daylight dances throughout the year, with September marking a notable transition. As the days begin to lengthen once again, September offers 12 hours of daylight, echoing the brightness of the summer months in January and February. This increase stands in contrast to the autumn and winter months—April through August—where daylight settles at 11 hours. Following September, the cycle continues with October through December maintaining the 12-hour daylight, creating a sense of balance and continuity. This pattern illustrates a harmonious blend of light and shadow, framing the picturesque landscape of Huayllay across the seasons.

Average Daylight Hours in Huayllay for September

The chart illustrates the variation in daylight duration in Huayllay throughout the year, with September highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec12h 40m12h 26m12h 7m11h 49m11h 35m11h 28m11h 32m11h 44m12h 1m12h 20m12h 36m12h 44m
Data source: Huayllay daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Huayllay

In September, Huayllay, Peru experiences a notable uptick in average wind speed at 2.0 m/s (4 mph), matching the breezy conditions of July. This marks a shift as the winds have gradually strengthened since June, where they dipped to their annual low of 1.5 m/s (3 mph). The consistency in wind speeds through the previous months—hovering around 1.5 to 1.9 m/s—sets the stage for this invigorating September breeze. As autumn approaches, the air feels fresher, inviting residents and visitors alike to enjoy the captivating scenery of Huayllay under the gentle yet spirited caress of the wind.

Average September Wind Speed in Huayllay

The chart displays monthly wind speed patterns in Huayllay, 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.
JanFebMarAprMayJunJulAugSepOctNovDec1.51.91.71.61.71.52.01.92.0 m/s1.71.51.8
Data source: Huayllay September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Huayllay Compares to Other Months

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

In September, the weather typically features a min temperature of -4°C (25°F) and averages around 4°C (40°F), peaking at a maximum of 14°C (57°F). This month experiences about 78 mm (3.1 in) of precipitation over 19 days, accompanied by a relatively low humidity of 40%. In contrast, January offers slightly warmer conditions, with a minimum of -4°C (24°F) and an average of 5°C (42°F), while maximum temperatures can reach up to 15°C (59°F). However, January is notably wetter, with precipitation totaling 184 mm (7.2 in) across 25 days and much higher humidity at 91%. For more detailed insights, you can check out Huayllay weather in January.

When comparing the weather in September and February, notable differences emerge in temperature, precipitation, and humidity levels. September features a minimum temperature of -4°C (25°F) and an average of 4°C (40°F), with a maximum of 14°C (57°F). In contrast, February sees slightly milder temperatures, with a minimum of -3°C (27°F), an average of 6°C (42°F), and a maximum of 15°C (60°F).

Precipitation levels are significantly higher in February, totaling 214 mm (8.4 in) over 25 days, compared to September's 78 mm (3.1 in) over 19 days. This increased rainfall in February is accompanied by much higher humidity, reaching 90%, while September maintains a lower humidity level of 40%. For more detailed insights, you can explore Huayllay weather in February.

When comparing the weather in September and March, several notable differences emerge. In September, temperatures generally range from a chilly -4°C (25°F) at night to a mild average of 4°C (40°F) during the day, peaking at 14°C (57°F). With an average precipitation of 78 mm (3.1 in) over 19 days, humidity levels are a relatively comfortable 40%. In contrast, March experiences slightly warmer temperatures, with a minimum of -2°C (29°F), an average of 5°C (42°F), and a maximum of 13°C (57°F). However, it is significantly wetter, with 219 mm (8.6 in) of precipitation spread across 30 days, resulting in much higher humidity levels at 91%. For a more detailed look at March weather, check out Huayllay weather in March.

September and April present contrasting weather conditions. In September, temperatures range from a chilly minimum of -4°C (25°F) to a more moderate maximum of 14°C (57°F), with an average temperature of 4°C (40°F). This month experiences a lower humidity level of around 40%, alongside 78 mm (3.1 in) of precipitation over 19 days. In contrast, April shows a slight uptick in average temperature at 5°C (41°F), peaking at 16°C (60°F) while maintaining the same minimum of -4°C (25°F). The month is also characterized by higher humidity at 89% and increased rainfall, with 111 mm (4.4 in) over 24 days. For a more detailed look at April weather, you can explore Huayllay weather in April.

In September, the weather features a slightly wider temperature range with minimums dropping to -4°C (25°F) and averages around 4°C (40°F), peaking at 14°C (57°F). The month experiences 78 mm (3.1 in) of precipitation over 19 days, with humidity levels at a relatively comfortable 40%. In contrast, May sees slightly milder conditions with temperatures ranging from a minimum of -3°C (27°F) to a similar maximum of 14°C (57°F) and an average of 5°C (41°F). However, it brings higher humidity levels at 85% and a bit more rainfall, also totaling 78 mm (3.1 in) over 21 days. For more detailed information, you can check Huayllay weather in May.

When comparing the weather in September and June, both months share similar temperature ranges, with minimums at -4°C (25°F), averages at 4°C (40°F), and maximums reaching 14°C (57°F). However, September experiences significantly more precipitation, with 78 mm (3.1 in) over 19 days compared to June's 31 mm (1.2 in) over just 9 days. This results in noticeably lower humidity levels in September at 40%, while June has a higher humidity of 65%. For more details, you can refer to Huayllay weather in June.

In September, the weather in Huayllay shows a slight increase in temperatures compared to July, with an average of 4°C (40°F) and a maximum reaching 14°C (57°F). However, September experiences significantly more precipitation, totaling 78 mm (3.1 in) over 19 days, compared to just 24 mm (1.0 in) over 7 days in July. The humidity is also lower in September at 40%, compared to 47% in July. Overall, while both months feature similar maximum temperatures, September is notable for its increased rainfall and slightly warmer average temperatures. For more detailed information, you can visit Huayllay weather in July.

In comparing the weather of September and August, September exhibits slightly milder temperatures with an average of 4°C (40°F), while August also averages 4°C but features a lower minimum temperature of -7°C (20°F). The maximum temperature in September reaches up to 14°C (57°F), just one degree below August's maximum of 15°C (59°F). September also sees significantly more precipitation, totaling 78 mm (3.1 in) over 19 days compared to August's 40 mm (1.6 in) across 12 days. Humidity levels are slightly higher in September at 40%, compared to August's 38%. For more detailed weather insights, you can check Huayllay weather in August.

In comparing the weather between September and October, we see a slight upward trend in temperatures, with October averaging 5°C (41°F) compared to September’s 4°C (40°F). Both months experience similar minimum temperatures of -4°C (25°F), while October’s maximum temperature reaches 15°C (59°F), slightly higher than September's 14°C (57°F). However, October is notably wetter, with total precipitation increasing from 78 mm (3.1 in) over 19 days in September to 122 mm (4.8 in) across 25 days in October. Additionally, October experiences higher humidity at 56%, compared to September's 40%. For a closer look at weather specifics in this month, you can visit Huayllay weather in October.

September and November present notable differences in weather patterns. In September, temperatures range from a minimum of -4°C (25°F) to a maximum of 14°C (57°F), with an average of 4°C (40°F). This month sees a total precipitation of 78 mm (3.1 in) spread over 19 days, accompanied by lower humidity levels at 40%.

In contrast, November experiences slightly milder temperatures, with a minimum of -2°C (29°F), an average of 6°C (43°F), and a maximum of 15°C (59°F). However, precipitation significantly increases to 164 mm (6.5 in) over 26 days, and humidity rises to 76%. These changes highlight a trend towards wetter and more humid conditions as the year progresses. For more details, you can check Huayllay weather in November.

September and December present contrasting weather conditions. In September, temperatures range from a minimum of -4°C (25°F) to a maximum of 14°C (57°F), with an average around 4°C (40°F). The month experiences moderate precipitation of 78 mm (3.1 in) over 19 days, alongside a relatively low humidity of 40%. In contrast, December sees slightly milder temperatures with a minimum of -3°C (26°F) and a maximum of 16°C (61°F), yielding an average of 6°C (43°F). However, the month is considerably wetter, with precipitation reaching 197 mm (7.8 in) across 28 days, and the humidity climbing to a high 90%. For more detailed insights, you can check Huayllay weather in December.

Compare Huayllay's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Huayllay

As September rolls into Huayllay, the weather transitions to cooler temperatures and increased precipitation compared to the warmer months preceding it. With average temperatures settling around 4°C, chilly nights dip down to -4°C, offering a crisp ambiance that’s invigorating yet brisk. The month also sees a notable uptick in rainfall, with nearly 19 days of precipitation, contributing to a humidity level of 40% that contrasts sharply with the drier summer. This shift marks the onset of the rainy season, making September a unique blend of refreshing coolness and lively landscapes, perfect for those who appreciate nature's transitions. For more insights into Huayllay's weather patterns, check out Huayllay Climate.