September Weather in Cajamarca, Colombia

Last updated: August 21, 2025

September in Cajamarca, Colombia features a temperate climate, with maximum temperatures reaching 21°C (69°F) and an average of 13°C (56°F), while minimums dip to a crisp 6°C (42°F). This month is characterized by significant precipitation, totaling 265 mm (10.4 in), spread over 26 days, resulting in a notably humid atmosphere with levels around 80%. Visitors may need to brace for rain while enjoying the lush landscapes and vibrant culture of this charming Andean town.

September Temperature in Cajamarca

In Cajamarca, Colombia, September marks a continuation of the region's mild and stable climate. With minimum temperatures averaging around 6°C (42°F), the coolness is complemented by a consistent average of 13°C (56°F), a hallmark of this high-altitude locale. The maximum temperatures see a slight dip to about 21°C (69°F), creating a pleasant atmosphere that feels neither too hot nor too cold. This month carries the same steady temperature trend seen throughout the winter and spring months, making Cajamarca an inviting retreat for those seeking temperate weather. As the year progresses into October, temperatures will gradually rise again, but September remains a standout example of comfortable, stable conditions, ideal for outdoor adventures and exploration of the picturesque surroundings.

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

The chart illustrates September temperature patterns in Cajamarca, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Cajamarca, 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).
JanFebMarAprMayJunJulAugSepOctNovDec555656565756565656555656
Data source: Temperature data for Cajamarca 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 Cajamarca

September in Cajamarca, Colombia, sees a notable precipitation amount of 265 mm (10.4 in), marking a slight decrease from the heavier rains in the preceding months. With 26 days of rainfall, this month continues the trend of frequent precipitation, characteristic of the region's overarching wet season. As the month transitions into October, rainfall begins to ramp up again, indicating that the lush landscape thrives on these intermittent showers. The consistent pattern of significant rainfall from March through October shapes not only the verdant scenery but also the agricultural rhythms of the local community. Whether it's a gentle drizzle or a more robust downpour, September’s weather exemplifies Cajamarca’s rich and dynamic seasonal climate.

September Precipitation Trends in Cajamarca

The chart displays monthly precipitation patterns in Cajamarca, 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 Cajamarca, September typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec178250522590520373241220265427442229
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Cajamarca

In Cajamarca, Colombia, September experiences a humidity level of 80%, reflecting a slight decrease after the peak of 87% in May and June. This month, while maintaining a relatively moist atmosphere, mirrors August's humidity, suggesting a stable trend in late winter and early spring. Following this, the humidity gradually increases again in October and November, emphasizing the region's characteristic tropical conditions as the year transitions towards its end. Overall, Cajamarca’s humidity levels exhibit a pattern of fluctuation that aligns with seasonal changes, offering a consistent backdrop for its lush landscapes.

September Average Humidity in Cajamarca

This chart illustrates the average monthly humidity levels in Cajamarca, 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 Cajamarca is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec79%77%80%83%88%87%85%80%80%85%87%83%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Cajamarca

In September, residents and visitors of Cajamarca, Colombia can expect a UV Index of 15, maintaining the extreme exposure category that has characterized the region throughout much of the year. This consistent high level of UV radiation highlights a trend where the burn time remains a rapid 10 minutes, requiring vigilance when enjoying outdoor activities. Despite slight fluctuations in the UV Index across the year, September's values mirror those seen in the preceding months, reinforcing the need for proper sun protection strategies. As you navigate the sunny days, be sure to stay informed about the UV conditions by checking out Cajamarca UV Index.

Maximum UV Index Levels in Cajamarca for September

The chart shows the monthly maximum UV Index (UVI) for Cajamarca 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 Cajamarca typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec151617171615151515151412
Data source: Cajamarca 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 Cajamarca

As September unfolds in Cajamarca, Colombia, residents can bask in an impressive 310 hours of sunshine, continuing the trend of bright days that peak during the mid-year months. The hours of sunlight steadily increase from January onwards, culminating in a remarkable 324 hours in August. This sunny streak slightly tapers off in October but remains higher than the earlier months of the year. With the warm glow of sunshine painting the landscape, September serves as a perfect bridge between the peak of summer and the cooler months to come, inviting both locals and visitors to enjoy the vibrant outdoors.

Monthly Sunshine Duration in Cajamarca: September Highlighted

The September sunshine duration represents the total number of hours Cajamarca 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.
JanFebMarAprMayJunJulAugSepOctNovDec251h280h297h280h277h279h316h324h310h277h253h288h
Data source: Cajamarca September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Cajamarca During September

In Cajamarca, Colombia, the likelihood of sunny weather in September offers a moderate chance of enjoyment with 16% sunshine probability. This marks a slight increase from the drier months of April (3%) and May (6%), indicating a gradual shift towards more favorable conditions as the year progresses. While September may not boast the sunniest prospects compared to January's peak at 23%, it certainly stands out against the preceding months, like the overly cloudy August with just 4%. As visitors plan their activities, September emerges as a hopeful month, hinting at the subtle return of clearer skies after the extended rainy season.

Percentage of Sunny Days in September in Cajamarca

The chart illustrates the percentage of sunny days in Cajamarca 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 Cajamarca experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec23%12%4%3%6%5%10%4%16%7%10%10%
Data source: Cajamarca September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Cajamarca in September

In Cajamarca, Colombia, the pattern of daylight duration showcases a fascinating stability throughout the year. September marks the continuation of a consistent trend where residents enjoy 12 hours of daylight, a duration that has been maintained since March. Following a gradual increase from 11 hours in the early months, the daylight reaches its peak in the heart of the year, before gently tapering back to 11 hours as the year closes out in November and December. This rhythmic cycle not only influences daily life but also enhances the region's agricultural cycles and cultural rhythms, embodying the essence of life in this highland paradise.

Average Daylight Hours in Cajamarca for September

The chart illustrates the variation in daylight duration in Cajamarca throughout the year, with September highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec11h 53m11h 58m12h 4m12h 12m12h 18m12h 21m12h 19m12h 14m12h 7m12h11h 54m11h 51m
Data source: Cajamarca daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Cajamarca

September in Cajamarca, Colombia experiences a gentle breeze, with an average wind speed of 1.4 m/s (3 mph), mirroring the consistent patterns seen throughout the year. After a slight uptick in July to 1.7 m/s (4 mph), wind speeds settle back into a comfortable rhythm similar to the preceding months of June and August. This stable airflow contributes to the region's pleasant climate, making it an ideal time to enjoy outdoor activities amidst the lush surroundings. Notably, as the year progresses towards its end, October dips slightly to 1.1 m/s (3 mph), showcasing a trend of overall mild and tranquil conditions that characterize Cajamarca’s weather.

Average September Wind Speed in Cajamarca

The chart displays monthly wind speed patterns in Cajamarca, 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.
JanFebMarAprMayJunJulAugSepOctNovDec1.31.31.21.21.31.21.71.41.4 m/s1.11.01.1
Data source: Cajamarca September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Cajamarca Compares to Other Months

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

In September, the weather in Cajamarca is characterized by a range of temperatures that typically span from a cool 6°C (42°F) to a maximum of 21°C (69°F), with an average of 13°C (56°F). This month experiences significant rainfall, with 265 mm (10.4 in) spread over 26 days, resulting in a high humidity level of around 80%. In contrast, January sees similar average temperatures, but the minimum dips slightly to 5°C (41°F) while still reaching a peak of 21°C (69°F). Notably, precipitation decreases to 178 mm (7.0 in) over 19 days, and humidity is slightly lower at 78%. For more detailed information, you can check out Cajamarca weather in January.

September and February offer similar average temperatures, with both months hovering around 13°C (56°F). However, September experiences slightly cooler minimum temperatures and warmer maximum temperatures, showing a range from 6°C (42°F) to 21°C (69°F), while February is a bit more consistent with a minimum of 7°C (45°F) and a maximum reaching 22°C (73°F). In terms of precipitation, September sees more rainfall with 265 mm (10.4 in) over 26 days, compared to February's 250 mm (9.8 in) across 22 days. Humidity is also higher in September at 80%, compared to February's 77%. For more details, check out Cajamarca weather in February.

In comparing the weather of September and March, both months exhibit a similar average temperature of 13°C (56°F) and a maximum temperature peaking at 21°C (69°F in September and 70°F in March). However, March experiences significantly higher precipitation, totaling 522 mm (20.5 in) over 29 days, compared to September's 265 mm (10.4 in) across 26 days. This increase in rainfall may contribute to the slight increase in humidity, as both months maintain a humidity level of 80%. For more details about the weather during this month, you can check the link: Cajamarca weather in March.

When comparing the weather in September and April, both months share similar average temperatures, hovering around 13°C (56°F), but they differ significantly in precipitation and humidity levels. September features a minimum temperature of 6°C (42°F) and a maximum of 21°C (69°F), experiencing 265 mm (10.4 in) of rainfall over 26 days and a humidity level of 80%. In contrast, April sees slightly warmer minimum temperatures at 8°C (46°F) and similar maximum temperatures up to 21°C (70°F), but it is much wetter, with 590 mm (23.2 in) of rain falling over 29 days and a humidity of 83%. For more details, you can check Cajamarca weather in April.

In comparing the weather between September and May, we notice that both months have similar maximum temperatures peaking at around 21°C (69°F). However, September tends to be slightly cooler overall, with average temperatures ranging from a minimum of 6°C (42°F) to an average of 13°C (56°F), while May starts with slightly warmer temperatures, with a minimum of 8°C (46°F) and an average of 14°C (57°F).

Precipitation levels are significantly higher in May, boasting 520 mm (20.5 in) over 30 days compared to September's 265 mm (10.4 in) across 26 days, resulting in May being a wetter month. The humidity also reflects this pattern, with May having 87% humidity compared to September's 80%. For more detailed insights into May's weather, you can explore Cajamarca weather in May.

When comparing the weather in September and June, both months exhibit mild average temperatures, with September experiencing a slightly broader range between its minimum and maximum temperatures. September typically sees lows of 6°C (42°F) and highs of 21°C (69°F), while June registers a minimum of 8°C (46°F) and a max of 20°C (69°F), showcasing more consistent warmth. However, June tends to be wetter, with 373 mm (14.7 in) of precipitation over 29 days compared to September's 265 mm (10.4 in) across 26 days. Additionally, June has higher humidity levels at 87%, as opposed to September's 80%, making June feel more humid overall. For more detailed information on June weather, you can visit Cajamarca weather in June.

Upon comparing the weather in September and July, we see that both months share a similar average temperature of around 13°C (56°F), but they differ in their minimum and maximum temperatures. September tends to be slightly cooler, with a minimum of 6°C (42°F) and a maximum of 21°C (69°F), compared to July's minimum of 8°C (46°F) and maximum of 21°C (70°F). In terms of precipitation, September experiences a higher total of 265 mm (10.4 in) over 26 days, while July has 241 mm (9.5 in) spread across 28 days. Additionally, September's humidity is marginally lower at 80%, compared to July's 85%. For a more detailed look at July weather, you can check Cajamarca weather in July.

In comparing the weather of September and August, we see that both months share similar average temperatures, with September's minimum at 6°C and maximum at 21°C, closely mirroring August's minimum of 7°C and maximum of 21°C. However, September tends to be wetter, recording 265 mm of precipitation over 26 days compared to August's 220 mm over 23 days. Remarkably, both months exhibit consistent humidity levels at 80%. For more detailed insights into August's weather, you can visit Cajamarca weather in August.

September and October share similar average temperatures, with September recording a minimum of 6°C (42°F) and a maximum of 21°C (69°F), while October has a slightly higher minimum of 7°C (45°F) and a maximum of 22°C (72°F). However, October is notably wetter, experiencing increased precipitation of 427 mm (16.8 in) over 30 days, compared to September's 265 mm (10.4 in) over 26 days. Additionally, October’s humidity rises to 85%, making the air feel a bit more saturated than in September, which had an average humidity of 80%. For more details on October weather, you can check Cajamarca weather in October.

In September, the weather exhibits mild temperatures with a minimum of 6°C (42°F) and a maximum of 21°C (69°F), while averaging around 13°C (56°F). However, it is also characterized by significant precipitation, with 265 mm (10.4 in) falling over 26 days and humidity levels reaching 80%.

In contrast, November experiences slightly warmer temperatures, with a minimum of 7°C (44°F) and a maximum of 21°C (70°F), maintaining the same average of 13°C (56°F) as September. However, it sees increased rainfall, totaling 442 mm (17.4 in) across 29 days, leading to a rise in humidity to 87%. For more specific insights into November’s climate, visit Cajamarca weather in November.

In comparing the weather of September and December, we find some notable similarities and differences. Both months exhibit an average temperature of around 13°C (56°F), but September features slightly cooler nighttime temperatures, with a minimum of 6°C (42°F) compared to December's 7°C (45°F). Precipitation is quite substantial in September, totaling 265 mm (10.4 in) over 26 days, whereas December sees a decrease in total precipitation to 229 mm (9.0 in) across 27 days. Humidity levels are higher in December at 83%, compared to September's 80%, making the latter month feel just a touch more comfortable. For more detailed insights into December's weather, you can visit Cajamarca weather in December.

Compare Cajamarca's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Cajamarca

In September, Cajamarca experiences a notable shift in weather compared to other months, characterized by a cooler average temperature and significantly increased rainfall. With nearly 26 days of precipitation and a humidity level hovering around 80%, the month is marked by overcast skies and frequent showers. This moisture-laden environment not only enhances the region's lush landscape but also invites locals and visitors to seek cozy indoor activities. The combination of mild temperatures and persistent rain can make for a unique experience, encouraging exploration of Cajamarca's rich culture and history—even amidst the clouds. For a deeper understanding of the seasonal variations, visit Cajamarca Climate.