September Weather in Juarez, Mexico

Last updated: April 22, 2025

In September, Juarez, Mexico experiences a dramatic range in temperatures, with highs peaking at 42°C (109°F) and a comfortable average of 29°C (84°F), while nighttime lows can drop to a refreshing 15°C (59°F). This month marks the onset of the rainy season, bringing 87 mm (3.4 in) of precipitation over approximately 8 days, contributing to a humidity level of 77% that adds a distinct tropical feel to the air. Despite the heat, the combination of warmth and occasional rain creates a vibrant atmosphere, making September a dynamic time in Juarez.

September Temperature in Juarez

As September rolls into Juarez, Mexico, the city experiences a delightful transition that signals the onset of autumn. With nightly lows of around 15°C (59°F), the evenings bring a refreshing coolness that contrasts beautifully with the daytime warmth, where temperatures can soar to a balmy 29°C (84°F) on average. Although the peak can still reach 42°C (109°F), September marks a slight decline from the intense summer heat, providing a more temperate climate for outdoor activities and explorations. This trend towards milder conditions not only enhances the enjoyment of the vibrant local culture but also makes it an ideal time for travelers seeking to experience Juarez’s unique charm without the oppressive heat of the preceding months.

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

The chart illustrates September temperature patterns in Juarez, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec586372788488909084766661
Data source: Temperature data for Juarez 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 Juarez

In September, Juarez, Mexico experiences a significant surge in precipitation, receiving 87 mm (3.4 in) of rain over 8 days, marking it as the wettest month of the year. This increase contrasts sharply with the drier summer months, such as August, which only recorded 25 mm (1.0 in) across just 2 days. The transition into fall brings not only more frequent rainfall but also the highest number of precipitation days in the entire year. This trend highlights how September serves as a pivotal month in Juarez, bridging the dry summer and the milder, wetter autumn months ahead, as the vibrant shift in weather contributes to the region's dynamic climate landscape.

September Precipitation Trends in Juarez

The chart displays monthly precipitation patterns in Juarez, 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.
JanFebMarAprMayJunJulAugSepOctNovDec101313234727312587431816
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Juarez

In September, Juarez, Mexico experiences a notable uptick in humidity, reaching 77%. This marks a shift from the drier months of July and August, which see lower humidity levels of 64% and 61%, respectively. As the year progresses into the fall, humidity levels begin to rise again, reflecting a broader trend where the later months, particularly from October to December, consistently record higher humidity, culminating at 89% in December. This intermittent fluctuation showcases a seasonal rhythm, where the hotter summer months give way to a more humid autumn, creating a unique climate experience in Juarez.

September Average Humidity in Juarez

This chart illustrates the average monthly humidity levels in Juarez, with September's data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, allowing you to see how September's humidity levels compare to other months.
JanFebMarAprMayJunJulAugSepOctNovDec83%74%75%74%79%77%64%61%77%83%85%89%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Juarez

In September, Juarez, Mexico, experiences a UV Index of 11, classifying it as extreme, with a burn time of only 10 minutes. This month marks a slight decrease from the peak of 12 seen from April to August, yet the potential for skin damage remains critically high. Throughout the summer, the UV Index consistently reached extreme levels, prompting heightened caution for sun exposure. As fall approaches, while the UV Index may wane, residents and visitors should still take proactive measures to protect their skin, especially during peak sunlight hours. For more detailed information, check out the Juarez UV Index.

Maximum UV Index Levels in Juarez for September

The chart shows the monthly maximum UV Index (UVI) for Juarez 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.
JanFebMarAprMayJunJulAugSepOctNovDec6910121212121211975
Data source: Juarez 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 Juarez

In September, Juarez, Mexico, enjoys a delightful 280 hours of sunshine, a significant drop from the peak summer months of July and August, with their impressive 352 and 343 hours, respectively. This transition marks a gradual shift toward autumn, as daylight begins to wane, yet the warmth of summer lingers. The month still showcases a generous amount of blue skies, ensuring that September remains a vibrant time for outdoor activities. As the year progresses, the sunlight hours will continue to decrease, but this colorful month serves as a beautiful bridge between the sunny days of summer and the cooler tones of fall.

Monthly Sunshine Duration in Juarez: September Highlighted

The September sunshine duration represents the total number of hours Juarez 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.
JanFebMarAprMayJunJulAugSepOctNovDec188h229h264h278h312h340h352h343h280h266h236h249h
Data source: Juarez September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Juarez During September

In Juarez, Mexico, September stands out as a month with a high likelihood of sunny weather, boasting a 73% chance of sunshine. As we transition from the sweltering summer months of July and August, which experience lower sun probabilities at 52% and 57% respectively, September welcomes a revitalizing increase in sunny days, featuring one of the highest percentages of the year. This trend continues into October, which maintains a solid 68% chance of sunshine, creating an ideal backdrop for outdoor activities and exploration. With this consistent brightness, September embodies the perfect blend of warmth and clear skies, making it a particularly inviting time to enjoy the vibrant landscape and culture of Juarez.

Percentage of Sunny Days in September in Juarez

The chart illustrates the percentage of sunny days in Juarez 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 Juarez experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec72%58%62%52%60%66%52%57%73%68%57%59%
Data source: Juarez September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Juarez in September

In Juarez, Mexico, the month of September marks a gentle transition as daylight begins to wane, offering 12 hours of daylight. This shift follows the peak summer months, where daylight stretched to an impressive 13 hours from May to August, creating long, vibrant evenings. As the year progresses, daylight duration gradually declines, with October and November seeing even shorter days, ultimately returning to 10 hours of daylight by late fall and winter. This seasonal ebb and flow not only highlights the changing rhythms of nature but also invites residents and visitors alike to savor those warm September days before the shorter evenings of autumn set in.

Average Daylight Hours in Juarez for September

The chart illustrates the variation in daylight duration in Juarez throughout the year, with September highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec10h 36m11h 13m12h12h 50m13h 30m13h 50m13h 39m13h 3m12h 16m11h 27m10h 45m10h 24m
Data source: Juarez daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Juarez

In September, Juarez experiences a gentle breeze, with an average wind speed of 3.7 m/s (8 mph). This marks a slight decline from the summer peak in May at 4.8 m/s (11 mph), signaling the transition into the cooler autumn months. Throughout the year, the wind particularly picks up in the spring, with March and April showcasing higher gusts, where conditions often invigorate the vibrant atmosphere of the city. As September progresses, the winds begin a gradual descent, mirroring the cooling temperatures and hinting at the calmness that awaits in the fall. This subtle shift from the summer’s warm, brisk air to the more moderate autumn breezes creates a dynamic backdrop for life in Juarez as it embraces the changing seasons.

Average September Wind Speed in Juarez

The chart displays monthly wind speed patterns in Juarez, 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.
JanFebMarAprMayJunJulAugSepOctNovDec3.03.24.24.54.84.33.94.33.7 m/s3.33.12.5
Data source: Juarez September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Juarez Compares to Other Months

The weather in Juarez changes throughout the year, offering a unique experience in each season. Below is a month-by-month comparison of September's weather with other months, highlighting differences in temperature, precipitation, and other key factors. Click on each section to discover seasonal trends in Juarez and find detailed weather information for every month.

September and January present stark contrasts in weather conditions. In September, temperatures range from a minimum of 15°C (59°F) to a scorching maximum of 42°C (109°F), with an average of 29°C (84°F). The month sees considerable rainfall, accumulating 87 mm (3.4 in) over approximately 8 days, accompanied by relatively high humidity at 77%. In contrast, January experiences much cooler temperatures, with a minimum of -2°C (29°F), an average of 14°C (58°F), and a maximum of 36°C (98°F). Precipitation is minimal, with only 10 mm (0.4 in) falling over just 3 days, while humidity remains elevated at 83%. For more detailed information, check out Juarez weather in January.

September and February present strikingly different weather patterns. In September, temperatures range from a minimum of 15°C (59°F) to a scorching maximum of 42°C (109°F), with an average of 29°C (84°F). The month is quite humid, recording an average humidity of 77%, and sees about 87 mm (3.4 in) of precipitation over 8 days. In contrast, February experiences much cooler temperatures, with a minimum of -8°C (19°F) and an average of 17°C (63°F), peaking at 38°C (101°F). This month is drier, with only 13 mm (0.5 in) of precipitation on about 3 days and slightly lower humidity at 74%. For more detailed insights, check out Juarez weather in February.

When comparing the weather in September and March, it is clear that September tends to be much warmer and wetter. In September, temperatures range from a minimum of 15°C (59°F) to a scorching maximum of 42°C (109°F), with an average temperature of 29°C (84°F). The month also experiences substantial rainfall, with 87 mm (3.4 in) of precipitation over about 8 days, contributing to a humidity level of 77%. In contrast, March offers a much cooler climate, with temperatures ranging from a brisk 3°C (39°F) to a maximum of 39°C (103°F), and an average of 22°C (72°F). Precipitation in March is significantly lower at just 13 mm (0.5 in), falling on only 3 days, and with humidity slightly lower at 75%. For a more detailed look at the weather specifics, you can visit Juarez weather in March.

September and April showcase distinct weather patterns, with September presenting warmer temperatures and more humidity. In September, temperatures range from a minimum of 15°C (59°F) to an average of 29°C (84°F), with peaks hitting 42°C (109°F). The month also records 87 mm (3.4 in) of precipitation over 8 days, contributing to a higher humidity of 77%. In comparison, April features cooler conditions, with temperatures dipping to a minimum of 9°C (49°F) and averaging 26°C (78°F), while still reaching the same maximum of 42°C (109°F). April experiences significantly less rainfall, with only 23 mm (0.9 in) spread across 4 days, and a slightly lower humidity level of 74%. For a detailed look at April's climate, you can check Juarez weather in April.

When comparing the weather in September and May, both months exhibit similar average temperatures, with minimums around 15°C (59°F) and averages hitting 29°C (84°F). However, May tends to be slightly warmer at its peak, with maximum temperatures reaching 44°C (111°F), compared to September's maximum of 42°C (109°F). Additionally, May receives less precipitation, averaging 47 mm (1.9 in) over 8 days, while September sees a higher total of 87 mm (3.4 in) during the same number of rainy days. Humidity levels are also comparable, with September at 77% and May slightly higher at 79%. For more detailed information, you can check Juarez weather in May.

In September, temperatures range from a minimum of 15°C (59°F) to a maximum of 42°C (109°F), averaging around 29°C (84°F). This month experiences significantly higher precipitation, with 87 mm (3.4 in) falling over about 8 days, although humidity remains consistent at 77%. In contrast, June sees milder mornings with a minimum temperature of 20°C (68°F) and slightly higher daily averages of 31°C (88°F), peaking at 44°C (111°F). Rainfall in June is markedly lower at 27 mm (1.0 in) over approximately 6 days. Overall, while both months have high temperatures and humidity, June tends to be drier and slightly warmer. For more details, you can visit Juarez weather in June.

In comparing the weather of September and July, September displays a wider temperature range with minimum temperatures at 15°C (59°F) and maximums soaring to 42°C (109°F), yielding an average of 29°C (84°F). In contrast, July tends to be hotter overall, maintaining a higher average of 32°C (90°F) with minimums starting at 23°C (73°F) and peak temperatures reaching 44°C (112°F). Additionally, September is more humid with 77% humidity and experiences more precipitation, averaging 87 mm (3.4 in) over 8 days, compared to July's drier conditions with only 31 mm (1.2 in) of rainfall over 5 days and a humidity level of 64%. For more detailed insights on July conditions, you can check Juarez weather in July.

In comparing the weather between September and August, September experiences a noticeable drop in minimum temperatures, with lows around 15°C (59°F) compared to August's 22°C (72°F). However, the average high remains steady at 42°C (109°F) for both months. September is also marked by higher precipitation, totaling 87 mm (3.4 in) over 8 days, while August sees significantly less rain at 25 mm (1.0 in) over just 2 days. Humidity levels also increase in September, reaching 77%, compared to August's 61%, contributing to a more humid overall feel in the air. For more details on August's weather, please visit Juarez weather in August.

In September, the weather is notably warmer, with average temperatures reaching 29°C (84°F) and maximums soaring up to 42°C (109°F). The month experiences significant humidity at 77% and receives 87 mm (3.4 in) of rainfall over 8 days. In contrast, October brings a more temperate climate, with average temperatures dropping to 24°C (76°F) and maximums of 40°C (104°F). Precipitation decreases to 43 mm (1.7 in) over just 6 days, and humidity rises slightly to 83%. For more detailed insights, you can check Juarez weather in October.

September and November showcase a striking contrast in weather conditions. In September, temperatures can soar with a minimum of 15°C (59°F) to an average high of 29°C (84°F), peaking at a scorching 42°C (109°F). This month also experiences considerable humidity at 77% and receives a notable 87 mm (3.4 in) of precipitation over about 8 days. In contrast, November brings a much cooler climate, featuring a minimum temperature of 1°C (34°F) and a more moderate average of 19°C (66°F), with a maximum reaching 33°C (92°F). Precipitation drops significantly to just 18 mm (0.7 in) over 4 days, and humidity slightly increases to 85%. For more detailed information, you can refer to Juarez weather in November.

September and December present strikingly different weather patterns. In September, temperatures soar, with a minimum of 15°C (59°F) and an average high of 29°C (84°F), reaching peaks of 42°C (109°F). The month also experiences considerable precipitation, totaling 87 mm (3.4 in) over about 8 days, and humidity sits at a notably high 77%. In contrast, December sees a significant drop in temperatures, with a minimum of 1°C (35°F) and an average of 16°C (61°F), peaking at 36°C (97°F). Precipitation is minimal in December, accumulating just 16 mm (0.6 in) over 3 days, while humidity slightly increases to 89%. For more information, check out Juarez weather in December.

Compare Juarez's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Juarez

As September unfolds in Juarez, it brings a noticeable shift in weather compared to the sweltering summer months. The average temperatures settle into a more comfortable range, providing a welcome respite from the intense heat, although max temperatures can still soar. This month also marks the beginning of increased humidity, which combined with occasional precipitation, transforms the landscape and adds a refreshing touch to the dry environment. With 87 mm of rainfall over several days, September stands out as a time of transition, paving the way for the cooler autumn months ahead. For more insights into the weather patterns throughout the year, explore Juarez Climate.