September Weather in Huaraz, Peru

Last updated: August 27, 2025

In September, Huaraz, Peru, experiences a significant shift in weather as the region transitions into spring. Temperatures range from a cool minimum of -3°C (26°F) to a maximum of 14°C (58°F), with an average of 5°C (41°F), creating a brisk atmosphere ideal for outdoor enthusiasts. However, visitors should prepare for the possibility of rain, as the area sees an impressive 153 mm (6.0 in) of precipitation over approximately 24 days, contributing to a humidity level of 62%. This month serves as a reminder of nature’s dynamic rhythm, where the interplay of cool temperatures and frequent showers nourishes Huaraz's stunning landscapes.

September Temperature in Huaraz

In Huaraz, Peru, September brings a subtle transition in temperatures, with minimums hovering around -3°C (26°F) and averages consistently at 5°C (41°F), similar to the preceding months. The maximum temperature slightly dips to 14°C (58°F), which aligns closely with the trend observed from August. Throughout the year, temperatures in Huaraz are characterized by a cool consistency, marked by chilly nights and mild days, making September no exception. The gradual change in the climate hints at the onset of fall, but locals and visitors alike can still expect the invigorating, crisp air that defines this Andean paradise.

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

The chart illustrates September temperature patterns in Huaraz, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Huaraz, 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).
JanFebMarAprMayJunJulAugSepOctNovDec414241424141404041414242
Data source: Temperature data for Huaraz 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 Huaraz

In September, Huaraz experiences a notable uptick in precipitation, with rainfall reaching 153 mm (6.0 in) over approximately 24 days. This marks a shift from the drier months of July and August, where rainfall was significantly lower. The wet season begins to take hold, indicating a transition as the rainy pattern resumes into the more intense months ahead. This pattern is reflected in the upcoming months, with October and November poised to deliver even higher totals of 235 mm (9.2 in) and 234 mm (9.2 in), respectively. As such, September serves as a reminder of the region's dynamic weather, providing a much-needed hydration boost for the lush Andean landscape.

September Precipitation Trends in Huaraz

The chart displays monthly precipitation patterns in Huaraz, 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 Huaraz, September typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec207236284187136714578153235234267
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Huaraz

In September, Huaraz experiences a moderate humidity level of 62%, which marks a noticeable rebound from the drier months of July and August, where levels dropped to as low as 53%. This increase indicates the gradual transition towards the wetter months of the year, with humidity levels climbing steadily from the summer lows. As autumn approaches, the return of moisture sets the stage for the lush, vibrant landscapes that define Huaraz, reminding residents and visitors alike of the region's unique climatic rhythm. Following September, humidity will again rise sharply, reaching 82% in October, as the town prepares for the rainy season ahead.

September Average Humidity in Huaraz

This chart illustrates the average monthly humidity levels in Huaraz, 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 Huaraz is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec91%89%90%89%84%73%55%53%62%82%89%91%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Huaraz

As September rolls in Huaraz, Peru, the UV Index remains notably high at 17, categorizing exposure levels as extreme with a burn time of just 10 minutes. This trend reflects a continuation of the intense UV conditions experienced throughout the winter months, peaking in the earlier part of the year with indices of 19 from January to March. Although the index fluctuates slightly, it consistently stays within the extreme exposure category, highlighting the importance of sun protection year-round. As autumn approaches, outdoor enthusiasts should stay informed about UV levels to safeguard their skin. For detailed UV information, visit Huaraz UV Index.

Maximum UV Index Levels in Huaraz for September

The chart shows the monthly maximum UV Index (UVI) for Huaraz 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 Huaraz typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec191919181513141517181818
Data source: Huaraz 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 Huaraz

As September unfolds in Huaraz, Peru, the city enjoys a delightful 326 hours of sunshine, continuing the trend of abundant sunlight characteristic of the months leading up to it. Following a peak in July and August, where the sun generously graced the sky for 340 hours, the sunlight remains robust, although slightly less than those summer peaks. The transition into spring showcases a comforting consistency, as September's hours sit comfortably above the averages of earlier months like January and November, which both experience considerably less sunshine. This rich tapestry of sunlight not only enhances the vibrant landscapes surrounding Huaraz but also invites travelers and locals alike to bask in the beauty of the outdoors as they prepare for the warmer months ahead.

Monthly Sunshine Duration in Huaraz: September Highlighted

The September sunshine duration represents the total number of hours Huaraz 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.
JanFebMarAprMayJunJulAugSepOctNovDec211h239h245h295h334h324h340h340h326h318h284h278h
Data source: Huaraz September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Huaraz During September

In Huaraz, Peru, the likelihood of sunny weather sees a gradual rise as the year progresses, peaking in the middle of the dry season. September offers a promising 31% chance of sunshine, indicating a welcome transition from the overcast days of winter. The preceding months, particularly July and August, boast significantly higher sun probabilities, with 54% and 35% respectively, before tapering off towards the wetter months of October and beyond. This trend highlights September as a favorable time for those looking to enjoy outdoor activities in the captivating Peruvian landscape while still enjoying the lingering warmth of the dry season.

Percentage of Sunny Days in September in Huaraz

The chart illustrates the percentage of sunny days in Huaraz 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 Huaraz experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec7%7%6%12%26%23%54%35%31%13%5%9%
Data source: Huaraz September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Huaraz in September

As September rolls into Huaraz, Peru, daylight begins to embrace the region once again, offering a refreshing 12 hours of sun. This marks a notable transition from the preceding months of August, when daylight lingered at 11 hours. The region experiences a consistent pattern throughout the earlier part of the year, with 12-hour days dominating from January to March, before briefly dipping to 11 hours during the mid-year months of April through August. However, as the seasons change, daylight begins to extend once more in September, paving the way for longer, sunlit days in October and beyond. This rhythmic cycle highlights Huaraz's unique geographical position, where daylight duration enjoys a harmonious balance, creating a vibrant backdrop for both residents and visitors alike.

Average Daylight Hours in Huaraz for September

The chart illustrates the variation in daylight duration in Huaraz throughout the year, with September highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec12h 35m12h 23m12h 7m11h 52m11h 39m11h 34m11h 37m11h 48m12h 2m12h 18m12h 32m12h 39m
Data source: Huaraz daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Huaraz

As September unfolds in Huaraz, Peru, the gentle breeze picks up slightly, with an average wind speed of 1.4 m/s (3 mph). This marks a notable increase from the more tranquil months of June and July, suggesting that autumn's arrival ushers in a refreshing gust that invigorates the highland air. Interestingly, this month showcases a consistent pattern: while the winter months exhibit lower wind speeds, early spring witnesses a gradual rise. By September, the wind's embrace begins to offer a hint of transition, setting a perfect stage for exploring the breathtaking landscapes of this Andean gem.

Average September Wind Speed in Huaraz

The chart displays monthly wind speed patterns in Huaraz, 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.
JanFebMarAprMayJunJulAugSepOctNovDec1.11.31.11.11.21.01.51.31.4 m/s1.11.11.2
Data source: Huaraz September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Huaraz Compares to Other Months

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

September and January in Huaraz exhibit similar temperature ranges, with minimums around -3°C (26°F), average temperatures close to 5°C (41°F), and maximums reaching 14°C (58°F). However, January experiences higher precipitation, with 206 mm (8.1 in) over 25 days compared to September's 153 mm (6.0 in) across 24 days. Additionally, humidity levels rise significantly in January, reaching 91%, while September's humidity sits at a more comfortable 62%. For more details on January's specific conditions, check out Huaraz weather in January.

September and February share similar temperature ranges, with both months featuring minimum temperatures around -3°C (26°F) and maximums reaching 14°C (58°F). However, February tends to be slightly warmer on average, with an average temperature of 6°C (42°F) compared to September's 5°C (41°F). In terms of precipitation, February is notably wetter, receiving 236 mm (9.3 in) over 27 days, while September records 153 mm (6.0 in) across 24 days. Additionally, February's humidity is higher at 89%, compared to September's 62%. For more information on the weather in February, you can visit Huaraz weather in February.

September and March in Huaraz exhibit similar average temperatures, with both months ranging from a minimum of around -3°C (26°F) to a maximum of 14°C (58°F). However, March tends to be wetter and more humid, receiving 284 mm (11.2 in) of precipitation over 30 days, compared to September's 153 mm (6.0 in) over 24 days. This increase in rainfall in March contributes to a higher humidity level of 89%, making it feel more oppressive than the relatively cooler and less humid September, which has a humidity of 62%. For a detailed look at March weather patterns, you can visit Huaraz weather in March.

When comparing the weather in September and April, we see some intriguing similarities and differences. Both months have a similar average temperature of around 5°C (41°F), although April experiences slightly milder maximum temperatures, reaching up to 15°C (59°F) compared to September's 14°C (58°F). However, April is characterized by higher humidity levels at 88%, making it feel more damp than September's 62%. Additionally, April sees more precipitation overall, with 186 mm (7.3 in) over 27 days, compared to September's 153 mm (6.0 in) spread over 24 days. For a more detailed look at April's weather, you can check out Huaraz weather in April.

In comparing the weather between September and May, we notice some similarities and differences. Both months experience a minimum temperature of around -3°C (26°F), but September generally sees a slightly higher average maximum temperature of 14°C (58°F) compared to May's peak of 13°C (56°F). Additionally, September is marked by 153 mm (6.0 in) of precipitation over 24 days, while May receives slightly less rainfall at 136 mm (5.4 in) across 26 days. Humidity levels are also notably different, with September sitting at 62% and May experiencing a higher humidity of 84%. These factors contribute to a distinct feel for each month, influencing outdoor activities and local conditions. For more specific details on May weather, you can check Huaraz weather in May.

When comparing the weather in September and June, we observe notable similarities and differences. Both months have a minimum temperature of around -4°C (26°F), and the average temperature hovers around 5°C (41°F) with a maximum of 14°C (58°F). However, September experiences significantly more precipitation, with 153 mm (6.0 in) falling on 24 days, compared to June's 71 mm (2.8 in) over 15 days. Additionally, humidity levels are slightly higher in June at 73%, compared to 62% in September. Overall, September tends to be wetter and less humid than June. For more details, check out Huaraz weather in June.

In comparing the weather of September and July, September typically features slightly milder temperatures, with a minimum of -3°C and a maximum of 14°C, whereas July experiences a colder minimum of -5°C and a maximum similar at 15°C. The average temperature remains relatively constant at around 5°C for both months. However, September is notably wetter, receiving 153 mm of precipitation over 24 days compared to July's more manageable 45 mm over just 12 days. Additionally, humidity levels are higher in September at 62%, compared to 55% in July, contributing to a more humid atmosphere. For more specific details on July's weather, you can check Huaraz weather in July.

In comparing the weather of September and August, we notice that September experiences slightly milder temperatures, with an average of 5°C (41°F) compared to August's low of -6°C (21°F). The maximum temperatures remain fairly similar, with September reaching up to 14°C (58°F) while August peaks at 15°C (58°F). However, September sees significantly more precipitation, totaling 153 mm (6.0 in) over 24 days, compared to August’s 78 mm (3.1 in) over 17 days, indicating a much wetter month. Furthermore, humidity levels are higher in September at 62% compared to August’s 53%. For detailed insights on the weather in August, check out Huaraz weather in August.

In September, the weather in Huaraz reflects the transition from winter to spring, with temperatures ranging from a minimum of -3°C (26°F) to a maximum of 14°C (58°F) and an average of 5°C (41°F). Precipitation is significant, totaling 153 mm (6.0 in) over 24 days, and humidity sits at a moderate 62%.

As October arrives, the weather remains largely similar in terms of temperature, with minima and maxima mirroring those of September. However, October experiences an increase in precipitation to 235 mm (9.2 in) spread over 29 days, accompanied by higher humidity levels at 82%. This makes October notably wetter than September, contributing to a damp atmosphere. For more detailed information, check out Huaraz weather in October.

In comparing the weather between September and November, we see a slight increase in average temperatures, with November's average reaching 6°C (43°F) compared to September's 5°C (41°F). Both months start with similar minimum temperatures at -3°C, but November sees a marginally warmer maximum of 15°C (60°F) against September's 14°C (58°F). However, November is notably wetter, with precipitation levels rising to 234 mm (9.2 in) over 28 days, compared to September's 153 mm (6.0 in) across 24 days. Additionally, humidity levels spike in November to 89%, significantly higher than September's 62%. For more detailed insights into November's climate, you can check Huaraz weather in November.

In September, the weather tends to be milder, with average temperatures ranging from a minimum of -3°C (26°F) to a maximum of 14°C (58°F) and an average of 5°C (41°F). However, it is relatively wet, with 153 mm (6.0 in) of precipitation over 24 days and a humidity level of 62%. In contrast, December sees slightly colder minimum temperatures at -5°C (24°F) and a similar maximum of 15°C (60°F), with an average temperature of 6°C (43°F). Precipitation increases significantly to 267 mm (10.5 in) over 29 days, accompanied by a high humidity level of 91%. For a detailed look at the December weather patterns, you can check Huaraz weather in December.

Compare Huaraz's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Huaraz

As September unfolds in Huaraz, the weather presents a unique character, distinguishing itself from the preceding winter months. While temperatures begin to rise from the winter chill, you can expect a notable increase in precipitation, with many days draped in cloud cover. This shift not only brings humidity levels to around 62%, but also transforms the landscape into a lush tableau, inviting adventurers to explore its beauty. The blend of milder temperatures and the potential for rain creates a dynamic atmosphere, making it essential for visitors to be prepared for varied conditions. For more insights into the climate patterns throughout the year, visit Huaraz Climate.