September Weather in Maras, Peru

Last updated: August 27, 2025

In September, Maras, Peru experiences a cool and humid climate, with average temperatures hovering around 7°C (45°F). Daily highs reach a maximum of 16°C (62°F), while chilly nights can drop as low as -1°C (31°F). This month sees significant rainfall, with a total of 107 mm (4.2 in) spread over 27 days, contributing to an overall humidity of 51%. Visitors can expect a lush, vibrant landscape shaped by the frequent showers, making September a unique time to explore the region’s natural beauty.

September Temperature in Maras

In September, temperatures in Maras, Peru begin to show a slight warming trend, with nighttime lows averaging around -1°C (31°F) and daytime highs peaking at 16°C (62°F). This marks a gradual transition from the colder months of July and August, where temperatures lingered near freezing at night. The average temperature remains steady at 7°C (45°F), maintaining the cool crispness characteristic of the Andean highlands. As spring approaches, these temperatures invite visitors to explore the breathtaking landscapes and rich cultural heritage of the region, all while experiencing the refreshing high-altitude climate.

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

The chart illustrates September temperature patterns in Maras, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Maras, 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).
JanFebMarAprMayJunJulAugSepOctNovDec474747464544444445464848
Data source: Temperature data for Maras 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 Maras

September marks a notable transition in Maras, Peru, as precipitation begins to rise after the drier winter months. With 107 mm (4.2 in) of rain falling over 27 days, the landscape transforms, welcoming the lush greenery that defines the region's beauty. This increase in rainfall is a prelude to the even wetter months ahead, as October and November are known for their significant precipitation, with totals of 172 mm (6.8 in) and 233 mm (9.2 in), respectively. Interestingly, the number of rainy days in September remains high, resembling those of earlier months, which suggests a persistent moisture influence in the atmosphere. Overall, September's rainfall is a critical factor in sustaining the region's agriculture, preparing it for the abundant rains of the final quarter of the year.

September Precipitation Trends in Maras

The chart displays monthly precipitation patterns in Maras, 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 Maras, September typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec25428028215371343954107172233268
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Maras

In September, humidity in Maras, Peru, sits at a comfortable 51%, marking a significant shift after the dry months of July and August, which recorded a low of 44%. This increase in humidity signifies the gradual return of moisture as the region transitions into the wetter season, with levels starting to rise again, reaching 64% by October. Overall, the annual humidity profile reveals a striking pattern: high humidity peaks of 94% in January gradually taper off to the driest months in mid-year, before making a gentle ascent once more as the year concludes. This cyclical change not only influences the local climate but also enhances the lush agricultural landscape that defines Maras.

September Average Humidity in Maras

This chart illustrates the average monthly humidity levels in Maras, 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 Maras is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec94%92%92%90%88%77%55%44%51%64%84%93%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Maras

In September, the UV Index in Maras, Peru, reaches 16, categorizing it as extreme with a burn time of just 10 minutes. This marks a slight increase from August’s 14, reflecting a trend of fluctuating UV levels that spike during the initial months of the year, peaking at 19 in January and February. As the months progress, there's a noteworthy pattern of high UV exposure, with the index consistently remaining in the extreme range, making sun protection essential year-round. For detailed insights into the UV Index throughout the year, visit Maras UV Index.

Maximum UV Index Levels in Maras for September

The chart shows the monthly maximum UV Index (UVI) for Maras 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 Maras typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec191918171411131416181918
Data source: Maras 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 Maras

As September unfolds in Maras, Peru, residents and visitors alike are treated to an impressive 319 hours of sunshine, marking a slight dip from the sun-drenched peak of 338 hours in August. This month continues the trend of abundant sunlight that begins in the cooler months, with daylight hours steadily rising from January's 208 hours to a remarkable high in May. Following the summer peak, the sunlight hours gradually wane as October approaches, yet September maintains a vibrant radiance, fostering an idyllic atmosphere for exploration and outdoor activities. The monthly sunshine patterns highlight Maras' impressive climatic conditions, making it a perfect destination for sun-seekers and those eager to soak in the stunning Andean landscape.

Monthly Sunshine Duration in Maras: September Highlighted

The September sunshine duration represents the total number of hours Maras 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.
JanFebMarAprMayJunJulAugSepOctNovDec208h224h275h286h325h310h329h338h319h306h252h251h
Data source: Maras September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Maras During September

In September, the likelihood of sunny weather in Maras, Peru, begins to dip, with a 18% chance of sunshine gracing the area. This marks a notable contrast from the preceding months, particularly July and August, which boast significantly higher probabilities of clear skies at 47% and 40%, respectively. As the region transitions from winter into spring, the trend suggests a gradual decrease in sunny days, making September a time of variable weather. While the sun might not shine as consistently as in the heart of winter, those visiting can still hope for occasional bright spells amidst the shifting seasons.

Percentage of Sunny Days in September in Maras

The chart illustrates the percentage of sunny days in Maras 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 Maras experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec4%4%5%16%33%32%47%40%18%13%3%7%
Data source: Maras September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Maras in September

In Maras, Peru, the variation in daylight duration reveals a rhythmic pattern throughout the year, reflecting the region's unique equatorial position. From January to March, residents enjoy a generous 12 hours of daylight, creating a perfect backdrop for vibrant activities. As April approaches, daylight begins to wane slightly to 11 hours and remains consistent through the cooler months of winter from May to August. However, come September, sunlight returns to its 12-hour glory, signaling the onset of the spring season. This trend of fluctuating daylight not only influences daily life but also highlights the natural ebb and flow of the seasons in this enchanting region of Peru.

Average Daylight Hours in Maras for September

The chart illustrates the variation in daylight duration in Maras throughout the year, with September highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec12h 47m12h 30m12h 8m11h 46m11h 28m11h 20m11h 24m11h 40m12h 1m12h 23m12h 43m12h 53m
Data source: Maras daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Maras

In September, the wind in Maras, Peru gently breezes in at an average speed of 1.2 m/s (3 mph), just slightly below the robust winds of the previous months. This month marks a consistent pattern, as wind speeds have remained relatively stable throughout the year, with only a slight increase during the peak winter months of July and August. As the dry season transitions, September's moderate winds create a serene atmosphere, inviting visitors to enjoy the stunning landscapes without the distraction of strong gusts. The overall trend reveals a tranquil ambiance, making Maras an idyllic destination for those looking to experience the gentle caress of nature while taking in the breathtaking views.

Average September Wind Speed in Maras

The chart displays monthly wind speed patterns in Maras, 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.
JanFebMarAprMayJunJulAugSepOctNovDec1.31.11.11.01.11.21.31.31.2 m/s1.21.11.2
Data source: Maras September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Maras Compares to Other Months

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

In September, the weather features a minimum temperature of -1°C (31°F) and an average of 7°C (45°F), while the maximum can reach 16°C (62°F). This month experiences a total precipitation of 107 mm (4.2 in) spread over 27 days, with a moderate humidity level of 51%. In contrast, January sees slightly milder temperatures, with a minimum of 2°C (35°F), an average of 8°C (47°F), and a maximum of 18°C (64°F). However, it is much wetter, accumulating 253 mm (10.0 in) of rain over 25 days and a significantly higher humidity level of 94%. For more detailed insights, you can refer to this link: Maras weather in January.

In September, the weather tends to be cooler with temperatures ranging from a minimum of -1°C (31°F) to a maximum of 16°C (62°F), averaging around 7°C (45°F). This month experiences a relatively moderate level of precipitation, totaling 107 mm (4.2 in) over 27 days and maintaining a humidity level of 51%. In contrast, February is generally milder, with temperatures starting at a minimum of 2°C (36°F) and peaking at 17°C (63°F), resulting in an average temperature of 8°C (47°F). February is also much wetter, receiving 280 mm (11.0 in) of rain across 28 days, along with significantly higher humidity at 92%. For a deeper dive into February weather specifics, you can refer to Maras weather in February.

In September, temperatures typically range from a minimum of -1°C (31°F) to a maximum of 16°C (62°F), with an average of 7°C (45°F). The month sees around 107 mm (4.2 in) of precipitation spread over 27 days, resulting in a humidity level of 51%. In contrast, March experiences slightly warmer weather, with temperatures varying from a minimum of 2°C (36°F) to a maximum of 17°C (62°F) and an average of 8°C (47°F). However, it brings significantly more rainfall, totaling 282 mm (11.1 in) across 31 days, coupled with a much higher humidity level of 92%. For a detailed outlook, you can check Maras weather in March.

In comparing the weather of September and April, several notable differences emerge. September tends to be milder with temperatures ranging from a minimum of -1°C (31°F) to a maximum of 16°C (62°F), while April experiences slightly warmer temperatures, with lows of 2°C (35°F) and highs of 15°C (60°F). Precipitation levels are also distinct; September sees 107 mm (4.2 in) of rain over 27 days, whereas April has a heftier 153 mm (6.0 in) spread over 28 days, contributing to its higher humidity of 90%. For more information about weather conditions during this month, you can visit Maras weather in April.

When comparing the weather in September and May, both months experience similar minimum temperatures, dipping to around -1°C (31°F). However, September tends to be slightly warmer overall, with an average temperature of 7°C (45°F) and a maximum of 16°C (62°F), compared to May, which averages 7°C (46°F) with a maximum of 15°C (60°F). Precipitation levels also differ, with September receiving more rainfall at 107 mm (4.2 in) over 27 days, whereas May sees a milder 71 mm (2.8 in) across 20 days. Additionally, May is notably more humid with a humidity level of 88%, compared to September’s 51%. For a closer look at May's weather specifics, you can visit Maras weather in May.

In September, the weather is generally cooler and wetter compared to June. The minimum temperatures are similar in both months, at about -1°C (31°F), but September sees a higher average high of 16°C (62°F) compared to June's 15°C (59°F). Precipitation is significantly greater in September, with 107 mm (4.2 in) over 27 days, while June experiences only 34 mm (1.3 in) over 11 days. Furthermore, the humidity in June is higher at 77%, making it feel more humid than the 51% experienced in September. For a detailed look at the weather in June, you can check Maras weather in June.

In comparing the weather between September and July, we find that both months share similar average and maximum temperatures, ranging from a minimum of -1°C (31°F) in September to -2°C (29°F) in July, and peaking at 16°C (62°F) for both. However, September experiences significantly more precipitation, totaling 107 mm (4.2 in) over 27 days, compared to just 38 mm (1.5 in) over 10 days in July. Additionally, humidity levels are slightly higher in July at 55%, while September has 51%. This suggests that while temperatures remain consistent, September is considerably wetter than July. For a more detailed look at the climate in July, visit Maras weather in July.

In comparing the weather between August and September, it's evident that September experiences slightly milder temperatures, with average highs around 16°C (62°F) compared to August's maximum of 17°C (62°F). Interestingly, September also witnesses a higher level of precipitation at 107 mm (4.2 in), occurring over a greater number of days (27 days), in contrast to August's 54 mm (2.1 in) over 16 days. Additionally, humidity levels increase in September to 51%, slightly higher than August's 44%. For more detailed information about August weather, you can check Maras weather in August.

In September, the weather tends to be cooler with temperatures ranging from a minimum of -1°C (31°F) to a maximum of 16°C (62°F) and an average of 7°C (45°F). The month experiences significant precipitation, with 107 mm (4.2 in) spread over 27 days, and a relatively low humidity of 51%. In contrast, October sees a slight increase in temperatures, with a minimum of 1°C (33°F), an average of 8°C (47°F), and a maximum of 17°C (62°F). However, this month also brings higher precipitation levels, totaling 172 mm (6.8 in) over 30 days and increased humidity at 64%. For more detailed weather information specific to this month, check Maras weather in October.

In September, temperatures range from a chilly -1°C (31°F) at night to a mild maximum of 16°C (62°F) during the day, with an average temperature of 7°C (45°F). The month sees a total of 107 mm (4.2 in) of precipitation spread across 27 days, resulting in a moderate humidity of 51%.

In contrast, November experiences slightly higher nighttime temperatures, with a minimum of 2°C (37°F) and an average of 9°C (48°F), while still peaking at 16°C (61°F) during the day. However, it is significantly wetter, with 233 mm (9.2 in) of precipitation over 29 days, leading to a much higher humidity level of 84%.

For more detailed information about the weather in November, check out Maras weather in November.

In September, the weather tends to be cooler, with temperatures ranging from a minimum of -1°C (31°F) to a maximum of 16°C (62°F) and an average of 7°C (45°F). The month experiences moderate precipitation, with a total of 107 mm (4.2 in) over 27 days and a humidity level of 51%. In contrast, December brings milder temperatures, with minimums of 2°C (36°F) and maximums reaching 17°C (63°F), averaging at 9°C (48°F). However, December is significantly wetter, receiving 268 mm (10.5 in) of rain over 30 days, alongside a higher humidity of 93%. For more detailed weather information, check out Maras weather in December.

Compare Maras's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Maras

In September, Maras experiences a unique climate marked by cooler temperatures, hovering around the average of 7°C (45°F), with occasional highs reaching 16°C (62°F) and dips down to -1°C (31°F). This month is characterized by an abundance of precipitation, with 27 days seeing rain and an overall total of 107 mm (4.2 in), making it significantly wetter compared to the drier months that precede it. The relative humidity of 51% adds to the feeling of chill, setting September apart as a transitional month where the lush greenery thrives under the frequent showers. For those interested in learning more about the overall climate in this beautiful region, check out Maras Climate.