September Weather in Huanuco, Peru

Last updated: August 27, 2025

Experience the captivating September weather in Huánuco, Peru, where temperatures oscillate between a pleasant maximum of 20°C (68°F) and a cool minimum of 3°C (37°F). Throughout the month, the average hovers around a comfortable 12°C (53°F), ideal for exploring the picturesque landscape. Expect 37 mm (1.5 in) of rainfall spread across 13 days, adding a refreshing touch to the vibrant scenery. With humidity levels at 40%, the atmosphere remains crisp, making September a delightful time to enjoy the natural beauty and cultural richness of this enchanting region.

September Temperature in Huanuco

In September, Huanuco, Peru, experiences a slight resurgence in temperatures as the region transitions from the chillier winter months. The minimum temperature hovers around 3°C (37°F), providing a refreshing start to the day before gradually warming to an average of 12°C (53°F). This trend continues with a comfortable maximum of 20°C (68°F), making it an ideal time for outdoor activities amidst the beautiful landscapes. As we move through September, the temperatures reflect a steady consistency that hints at the approaching spring, with both minimum and maximum values mirroring those from recent months, ensuring that the air remains crisp yet inviting for both residents and visitors alike.

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

The chart illustrates September temperature patterns in Huanuco, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Huanuco, 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).
JanFebMarAprMayJunJulAugSepOctNovDec545554545353525253545555
Data source: Temperature data for Huanuco 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 Huanuco

In September, Huanuco experiences a noticeable shift in precipitation patterns, with 37 mm (1.5 in) of rain falling over 13 days. This marks a slight uptick compared to the drier months of August and July, where rainfall dipped to 25 mm (1.0 in) and 30 mm (1.2 in), respectively. The arrival of September typically hints at the onset of a wetter season, setting the stage for the more substantial rainfalls that follow in October and November. As the region transitions from the drier winter months into a more humid climate, this gradual increase in precipitation not only rejuvenates the landscape but also signals a vital shift for local agriculture, paving the way for the rich green scenery that characterizes Huanuco.

September Precipitation Trends in Huanuco

The chart displays monthly precipitation patterns in Huanuco, 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 Huanuco, September typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec176193190102623530253788117158
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Huanuco

In September, the humidity in Huanuco, Peru hovers around 40%, marking a slight uptick from the notably dry conditions of August, which recorded a mere 38%. This transition into early spring suggests a gradual return of moisture to the region after the peak dryness experienced during the winter months of July and August, when humidity plummeted to 47% and 38%, respectively. As the year progresses, humidity levels will continue to rise, reaching almost 90% again by December, creating a cyclical pattern that highlights the region’s unique climatic shifts throughout the year. The sharp contrast between the dry and humid months paints a vivid picture of Huanuco's diverse weather, enticing both travelers and locals alike to appreciate the changes each season brings.

September Average Humidity in Huanuco

This chart illustrates the average monthly humidity levels in Huanuco, 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 Huanuco 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 Huanuco

In September, Huanuco, Peru, experiences a UV Index of 17, maintaining its position in the extreme exposure category with a burn time of just 10 minutes. This month reflects a slight increase from the previous months of July and August, which both registered a UV Index of 14. Moreover, as the year transitions into the latter months, September's levels remain consistent with the higher indices seen earlier in the year, peaking at 19 from January to March. Overall, this trend illustrates that throughout the year, residents and visitors must remain vigilant about sun exposure, particularly during these high-index months. For a detailed overview, check the UV index trends at Huanuco UV Index.

Maximum UV Index Levels in Huanuco for September

The chart shows the monthly maximum UV Index (UVI) for Huanuco 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 Huanuco typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec191919181513141417181817
Data source: Huanuco 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 Huanuco

September in Huánuco, Peru, shines brightly with 314 hours of sunshine, continuing the trend of robust daylight from the preceding months. The city experiences a notable peak in sunshine during the mid-year with July and August leading the way at 325 and 330 hours, respectively. However, as the calendar turns to September, the sun's glow doesn’t falter significantly, maintaining a splendid warmth that invites outdoor exploration. This gradual decline in hours hints at the upcoming transition into the rainy season, yet it still reflects the region's overall abundance of light, especially when compared to the much shorter days of January with only 206 hours. Overall, September embodies a delightful balance of brightness, bridging the vibrant summer months with the softer light of autumn.

Monthly Sunshine Duration in Huanuco: September Highlighted

The September sunshine duration represents the total number of hours Huanuco 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.
JanFebMarAprMayJunJulAugSepOctNovDec206h234h261h292h323h307h325h330h314h306h259h274h
Data source: Huanuco September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Huanuco During September

September in Huanuco, Peru, marks a transition in weather patterns, with a 29% chance of sunny days—a slight dip from the peak seen in July (49%). As winter gives way to spring, the likelihood of sunshine sees a gradual decrease from the vibrant summer months of July and August. While September's sun chances are comparatively favorable, they still stand below the numbers seen in the preceding months. This trend showcases a dynamic shift in the region's climate, hinting that as the year progresses, the sunny days become less frequent, paving the way for the cloudier seasons ahead. Overall, September presents a balanced opportunity for enjoying moments of sunshine amid the early spring ambiance.

Percentage of Sunny Days in September in Huanuco

The chart illustrates the percentage of sunny days in Huanuco 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 Huanuco experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec7%9%7%14%30%30%49%39%29%17%7%14%
Data source: Huanuco September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Huanuco in September

As the vibrant month of September arrives in Huanuco, Peru, residents bask in approximately 12 hours of daylight, a delightful return to longer days reminiscent of the earlier months of the year. This shift marks a transition from the consistent 11 hours seen during the colder months of April through August, highlighting a seasonal rhythm that pivots back towards more sunlight as spring approaches. Following September, this generous daylight persists into October and November, allowing ample time for outdoor activities and celebrations that thrive under the warmth of the sun. This pattern reflects a unique seasonal cycle that elegantly balances daylight throughout the year, ensuring that Huanuco remains a lively and inviting place as it welcomes changes in the sun's embrace.

Average Daylight Hours in Huanuco for September

The chart illustrates the variation in daylight duration in Huanuco throughout the year, with September highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec12h 37m12h 24m12h 7m11h 51m11h 38m11h 31m11h 35m11h 46m12h 2m12h 19m12h 33m12h 41m
Data source: Huanuco daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Huanuco

As September rolls in, Huanuco, Peru, experiences a gentle breeze with an average wind speed of 1.1 m/s (2 mph), maintaining the tranquil atmosphere that characterizes much of the year. This month marks a slight dip from the previous couple of months, which saw the wind speed reach 1.2 m/s (3 mph), yet it still aligns with the overall trend of mild winds throughout the year. Notably, the wind speeds remain consistently low from January through November, showcasing a serene climate that invites both relaxation and exploration. As we transition into the final months of the year, the steady winds contribute to Huanuco's enchanting charm, making it an ideal time for leisurely outdoor activities.

Average September Wind Speed in Huanuco

The chart displays monthly wind speed patterns in Huanuco, 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.
JanFebMarAprMayJunJulAugSepOctNovDec1.01.01.01.01.11.01.21.21.1 m/s1.11.01.0
Data source: Huanuco September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Huanuco Compares to Other Months

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

September and January in Huanuco exhibit striking differences in weather patterns despite having similar temperature ranges. In September, temperatures oscillate between a minimum of 3°C (37°F) and a maximum of 20°C (68°F), with an average of 12°C (53°F) and relatively low humidity at 40%. Precipitation is modest, totaling 37 mm (1.5 in) over about 13 days. In contrast, January sees the same temperature range but is characterized by significantly higher rainfall, with total precipitation reaching 176 mm (6.9 in) spread across approximately 25 days, resulting in much higher humidity levels at 91%. This makes January feel distinctly wetter and more humid than the drier September. For further details, you can check Huanuco weather in January.

September and February present quite different weather patterns. In September, temperatures range from a minimum of 3°C (37°F) to a maximum of 20°C (68°F), with an average of 12°C (53°F). The month experiences relatively low precipitation of 37 mm (1.5 in) over about 13 days and humidity levels around 40%. Conversely, February is milder, with temperatures ranging from a minimum of 7°C (44°F) to a maximum of 21°C (70°F), and an average of 13°C (55°F). However, it sees significantly heavier rainfall, with precipitation totaling 193 mm (7.6 in) over 26 days, and a much higher humidity at 90%. For more detailed information, you can check Huanuco weather in February.

September and March present distinct weather profiles despite having similar average temperatures. In September, temperatures range from a cool 3°C (37°F) at night to a comfortable 20°C (68°F) during the day, accompanied by moderate humidity at 40% and light precipitation totaling 37 mm (1.5 inches) over 13 days. In contrast, March sees slightly warmer nights with a minimum of 5°C (41°F), but the overall atmosphere is quite different with high humidity at 91% and significant rainfall of 190 mm (7.5 inches) distributed across 30 days. This makes March a much wetter and more humid month compared to the drier, milder September. For more detailed weather information, check out Huanuco weather in March.

September and April share similar temperature ranges, typically reaching a minimum of 3°C (37°F), averaging around 12°C (53°F), and maxing out at 20°C (68°F). However, the weather conditions diverge significantly when it comes to precipitation and humidity. September averages 37 mm of rainfall over about 13 days, accompanied by a relatively low humidity of 40%. In contrast, April experiences a much wetter climate, with 102 mm of rain falling over 23 days and humidity levels soaring to 89%. This stark difference in precipitation and moisture levels makes April considerably more damp than September. For more detailed information, you can check Huanuco weather in April.

When comparing the weather in September and May, both months exhibit similar average temperatures, hovering around 12°C (54°F). However, September generally enjoys slightly warmer maximum temperatures of up to 20°C (68°F), while May can experience cooler nights with a minimum as low as 1°C (34°F). Precipitation is notably higher in May, totaling 62 mm (2.4 in) over 16 days, compared to September's 37 mm (1.5 in) across 13 days. Moreover, May is characterized by much higher humidity levels of 85%, while September maintains a more comfortable humidity of 40%. For further details on May weather, you can visit Huanuco weather in May.

September and June showcase contrasting weather patterns. In September, temperatures range from a low of 3°C (37°F) to a high of 20°C (68°F), with an average of 12°C (53°F). The month also experiences a bit more precipitation, totaling 37 mm (1.5 in) over 13 days, and humidity levels are relatively low at 40%. In comparison, June’s temperatures are slightly cooler, with a minimum of 0°C (32°F) and a maximum of 19°C (67°F), centered around an average of 11°C (53°F). Though June sees a similar amount of precipitation at 35 mm (1.4 in), it occurs over fewer days, just 8, contributing to higher humidity levels at 65%. Together, these patterns illustrate the transitional nature of September compared to the cooler, more humid conditions of June. For more details, check out Huanuco weather in June.

When comparing the weather in September to that of July, we notice some distinct differences. In September, temperatures range from a minimum of 3°C (37°F) to a maximum of 20°C (68°F), with an average temperature of 12°C (53°F). The month experiences a total precipitation of 37 mm (1.5 in) over 13 days, resulting in lower humidity levels at 40%. In contrast, July features slightly cooler temperatures with a minimum of 0°C (33°F) and an average of 11°C (52°F), while still reaching a maximum of 20°C (68°F). July sees less precipitation, totaling 30 mm (1.2 in) over only 7 days, but has higher humidity levels at 47%. For more detailed insights, check out Huanuco weather in July.

In comparison to August, September sees a slight increase in temperatures, with minimums rising from 1°C (34°F) to 3°C (37°F) and average temperatures also increasing marginally from 11°C (52°F) to 12°C (53°F), while the maximum remains the same at 20°C (68°F). Precipitation levels are higher in September, totaling 37 mm (1.5 in) over 13 days, compared to August's 25 mm (1.0 in) across just 8 days. Humidity also sees a slight increase, with September at 40% compared to August's 38%. For more detailed information, refer to Huanuco weather in August.

September and October present a transition in weather patterns, with October exhibiting slightly warmer temperatures and increased humidity. In September, the average temperature hovers around 12°C (53°F), with maximums reaching 20°C (68°F) and minimums of 3°C (37°F). However, as October arrives, the average temperature remains steady at 12°C (54°F), while the maximum temperature increases to 22°C (71°F). Precipitation also rises significantly in October, with total rainfall reaching 88 mm (3.4 in) over 21 days, compared to September's 37 mm (1.5 in) across 13 days. The humidity level also climbs from 40% in September to 56% in October, making October feel more damp. For more detailed information, you can check the Huanuco weather in October.

September and November exhibit contrasting weather patterns, reflecting the transition from late summer to early autumn. In September, temperatures range from a minimum of 3°C (37°F) to a maximum of 20°C (68°F), with an average of 12°C (53°F). The month experiences relatively low precipitation, totaling 37 mm (1.5 in) over about 13 days, and a comfortable humidity of 40%. In contrast, November brings slightly warmer temperatures, with a minimum of 5°C (41°F) and an average of 13°C (56°F), peaking at around 20°C (69°F). However, this month sees a significant increase in rainfall, with precipitation reaching 117 mm (4.6 in) across 24 days, accompanied by a higher humidity level of 76%. For more specific insights, you can check Huanuco weather in November.

In September, the weather typically features a milder range of temperatures, with minimums around 3°C (37°F) and maximums reaching 20°C (68°F). The month experiences moderate precipitation of 37 mm (1.5 in) over about 13 days, accompanied by a relatively low humidity level of 40%. In contrast, December sees slightly warmer temperatures, with minimums at 5°C (41°F) and maximums peaking at 21°C (71°F). However, December is significantly wetter, receiving 158 mm (6.2 in) of rainfall across 27 days and experiencing high humidity levels of 90%. This stark difference in precipitation and humidity makes December feel much more damp and overcast than the relatively dry and pleasant September. For a detailed look at December conditions, check out Huanuco weather in December.

Compare Huanuco's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Huanuco

September in Huanuco presents a refreshing transition, as the weather begins to shift towards cooler temperatures compared to the warmer months prior. With an average temperature that dips to a pleasant 12°C, it offers a comfortable backdrop for outdoor activities. However, the month is also characterized by increased precipitation, with rain appearing on about half the days, contributing to a 40% humidity level. This blend of coolness and moisture distinguishes September from the drier and warmer summer months. For a more detailed understanding of these changes, explore the full insights at Huanuco Climate.