Last updated: April 22, 2025
September weather in Zacatecas, Mexico showcases a striking contrast in temperatures, with daytime highs reaching up to 39°C (102°F) and averages around 27°C (81°F), while nights cool off to a minimum of 17°C (63°F). This month also brings a noticeable amount of precipitation, totaling approximately 110 mm (4.3 in) across 11 days, contributing to the region's distinctive atmospheric humidity of 72%. Visitors can expect a mix of sunny days and refreshing rain showers, making September a unique time to experience the vibrant landscapes and culture of Zacatecas.
In Zacatecas, Mexico, September marks a delightful transition in temperatures as the summer heat begins to wane. With a minimum temperature of 17°C (63°F) and an average of 27°C (81°F), the month remains comfortably warm, peaking at a maximum of 39°C (102°F). This is a notable dip from the sweltering heights of May and August, where temperatures frequently reached 41°C (107°F) and 40°C (104°F), respectively. As September unfolds, visitors can enjoy milder evenings and pleasant days, making it an ideal time for exploring the charming landscapes and cultural heritage of the region. The gradual cooling signals the approach of fall, inviting both locals and travelers to savor the crispness of early autumn without sacrificing the warmth of summer.
September marks a significant turning point in Zacatecas, Mexico, as the region experiences its peak precipitation of 110 mm (4.3 in), a dramatic increase compared to the drier summer months. With rainfall occurring over 11 days, this month stands out as the wettest, contrasting sharply with August's mere 15 mm (0.6 in). As the rainy season reaches its zenith, the lush landscapes and revitalized ecosystems come alive, showcasing the beauty of nature in full bloom. The uptick in rainfall is a pivotal transition that precedes the cooler, drier months ahead, setting the tone for the region's climatic cycle and emphasizing the importance of September in the broader context of Zacatecas' weather patterns.
In September, Zacatecas experiences a noticeable rise in humidity, settling at 72%, which is an increase from the drier summer months of July and August that hovered around 57% and 58%, respectively. This shift signals the onset of the fall season, where humidity levels often rise as temperatures begin to cool. Notably, September's humidity is a precursor to the wetter months that follow; both October and November see elevated readings of 76% and 81%. Overall, the trend through the year illustrates a gradual increase in humidity as the year progresses, peaking in the late fall and winter months, creating a rich, lively atmosphere in the region.
As September rolls into Zacatecas, the UV Index remains impressively high at 11, categorizing the sun's intensity as extreme. While slightly lower than the peak readings of 12 in the earlier summer months, this still translates to a burn time of just 10 minutes for those unprotected. This pattern reflects an ongoing trend of elevated UV exposure throughout the year, particularly during the spring and summer months, with notably high figures persisting into early fall. As a reminder to stay vigilant, residents and visitors alike should take precautions against this intense UV radiation. For more detailed insights on UV levels throughout the year, check out Zacatecas UV Index.
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In Zacatecas, Mexico, September shines brightly with an impressive 283 hours of sunshine, contributing to the region's vibrant landscape as summer transitions into fall. Following a peak in August, where the sun graced the city for 346 hours, September marks a slight decline but still offers a generous amount of sunlight. The trend reveals a gradual increase in daylight hours from January's 200 hours up to the summer months, with June and July both enjoying the maximum exposure of 339 hours. As autumn approaches, sunshine remains abundant, allowing for continued outdoor enjoyment and adventure before the shorter days of winter set in, which feature a noticeable decrease in hours. Thus, September encapsulates the warmth of summer while gently ushering in the more temperate days ahead.
In Zacatecas, Mexico, September showcases a moderate 56% chance of sunny weather, indicative of a transition toward the more favorable autumn conditions. As summer draws to a close, the likelihood of sunshine is similar to the preceding months, with August leading the way at 62%. Following September, October sees a slight uptick in sunshine, climbing to 61%, which highlights a positive trend for outdoor enthusiasts. Overall, September's weather presents a pleasant mix of sunshine and occasional clouds, making it a delightful time to explore the vibrant landscapes of Zacatecas.
As September rolls into Zacatecas, Mexico, the daylight begins to gently transition, offering around 12 hours of sunlight each day. Following the peak brightness of summer months, where daylight reaches a vibrant 13 hours, the days start to shorten slightly as autumn approaches. This gradual shift reflects a consistent pattern throughout the year—where January and November see only 10 hours of daylight, and the longest days are clustered around the warmer months. September serves as a harmonious balance, bridging the tail end of summer's warmth with the cooler, shorter days of fall, inviting residents and visitors alike to enjoy the beautiful, sunlit scenery.
As September rolls into Zacatecas, the average wind speed gently tapers to 2.3 m/s (5 mph), reflecting a subtle shift in the seasonal breeze. This decline mirrors the transition from the more blustery summer months of July and August, which saw average winds of 2.5 m/s (6 mph) and 3.1 m/s (7 mph), respectively. With the winds calming down, the early fall air becomes a delightful companion for outdoor adventures, heralding the approach of cooler temperatures. Overall, September's serene gusts invite locals and visitors alike to embrace the picturesque landscapes of Zacatecas, as nature prepares for the profound tranquility of autumn.
The weather in Zacatecas 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 Zacatecas and find detailed weather information for every month.
September and January present strikingly different weather conditions. In September, temperatures range from a pleasant 17°C (63°F) to a scorching 39°C (102°F), with an average of 27°C (81°F). This month also sees significant rainfall, totaling 110 mm (4.3 in) over about 11 days, coupled with a humidity level of 72%. In contrast, January offers a cooler climate with temperatures ranging from a chilly -1°C (30°F) to a maximum of 34°C (93°F), averaging 15°C (59°F). Precipitation is minimal at just 24 mm (1.0 in) over 4 days, and humidity is slightly higher at 75%. For more detailed information, you can check Zacatecas weather in January.
In September, the weather is generally warm and humid, with average temperatures around 27°C (81°F) that can peak at highs of 39°C (102°F), accompanied by significant rainfall totaling 110 mm (4.3 in) over approximately 11 days. In contrast, February experiences much cooler temperatures, starting with a minimum of -3°C (27°F) and averaging 17°C (64°F), with maximums reaching up to 37°C (99°F). The precipitation in February is significantly lower at just 13 mm (0.5 in) across 3 days, and humidity remains relatively similar at 70%. For a more detailed look at the weather specifics during February, you can check out Zacatecas weather in February.
In September, weather in Zacatecas tends to be warmer and more humid, with average temperatures ranging from a minimum of 17°C (63°F) to a maximum of 39°C (102°F). The month also experiences more precipitation, totaling 110 mm (4.3 in) over 11 days, leading to a humidity level of 72%. In contrast, March offers a cooler and drier climate, with temperatures averaging between 4°C (40°F) and 38°C (100°F). This month typically sees less rainfall, with only 24 mm (0.9 in) across 6 days and a lower humidity of 65%. For more details on the specifics of March weather, you can refer to Zacatecas weather in March.
When comparing the weather in September and April, several notable differences emerge. September features a warmer average temperature of 27°C (81°F), with highs reaching up to 39°C (102°F) and higher humidity levels at 72%. It also experiences more rainfall, with around 110 mm (4.3 in) over 11 days. In contrast, April offers a cooler climate with an average temperature of 24°C (76°F), maximum temperatures peaking at 41°C (107°F), and lower humidity at 59%. Additionally, April sees significantly less precipitation, accumulating only 40 mm (1.6 in) over 7 days. For more detailed insights on April weather, visit Zacatecas weather in April.
When comparing the weather in September and May, we notice some similarities and differences. Both months have an average temperature of 27°C (81°F), but September experiences a slightly higher minimum temperature of 17°C (63°F) compared to May's 15°C (59°F). May boasts a record maximum temperature of 42°C (109°F), making it the hotter month overall. On the other hand, September sees more precipitation with 110 mm (4.3 in) over 11 days, while May has less, with 68 mm (2.7 in) over 10 days. In terms of humidity, September is more humid at 72%, whereas May has a relative humidity of 66%. For more details on May's climate, check out Zacatecas weather in May.
In comparing the weather of September and June, it’s clear that both months offer warm temperatures, but with notable differences. September typically has a minimum temperature of 17°C (63°F) and can reach up to 39°C (102°F), while June starts at a higher minimum of 20°C (68°F) and peaks at 42°C (107°F). Interestingly, September receives more rainfall, averaging 110 mm (4.3 in) over 11 days, compared to June's 86 mm (3.4 in) over 8 days. Both months have similar humidity levels, with September at 72% and June slightly lower at 71%. For a more detailed look at June weather, visit Zacatecas weather in June.
In comparing the weather between September and July, we find that September tends to be slightly cooler, with average temperatures ranging from a minimum of 17°C (63°F) to a maximum of 39°C (102°F), compared to July's range of 21°C (70°F) to 40°C (104°F). September also experiences more precipitation, totaling 110 mm (4.3 in) over 11 rainy days, while July has less rain at 82 mm (3.2 in) spread over only 6 days. Moreover, September's humidity is notably higher at 72%, contrasting with July's drier conditions, which have a humidity level of 57%. For more detailed insights, you can check Zacatecas weather in July.
In comparison to August, September experiences slightly cooler temperatures, with average daily highs of 27°C (81°F) compared to August's 30°C (87°F). While both months can reach high temperatures, September's maximum temperature is just 39°C (102°F), slightly lower than August's peak of 40°C (104°F). Notably, September sees significantly more precipitation, totaling 110 mm (4.3 in) over approximately 11 days, whereas August has a mere 15 mm (0.6 in) over only 3 days, resulting in higher humidity levels in September at 72% compared to August's 58%. For more details, check out Zacatecas weather in August.
September and October present a notable shift in weather patterns. In September, temperatures range from a minimum of 17°C (63°F) to a peak of 39°C (102°F), with an average temperature of 27°C (81°F). The month also experiences 110 mm (4.3 in) of precipitation over 11 days, contributing to a humidity level of 72%. In contrast, October brings cooler temperatures, with a minimum of 7°C (44°F), an average of 24°C (75°F), and a maximum of 37°C (100°F). Rainfall decreases significantly to 49 mm (1.9 in) across 8 days, and humidity slightly rises to 76%. This comparison highlights October's transition towards cooler and drier conditions compared to the warmer and wetter September. For more detailed information, you may visit Zacatecas weather in October.
In September, the weather is significantly warmer, with average temperatures soaring to around 27°C (81°F) and maximums reaching up to 39°C (102°F). This month also experiences notable humidity at 72% and higher precipitation levels, totaling 110 mm (4.3 in) over approximately 11 days. In contrast, November presents a much cooler climate, where average temperatures drop to 19°C (67°F), with minimums as low as 2°C (35°F). Notably, November sees less precipitation, with just 24 mm (0.9 in) falling over 5 days, and a slightly higher humidity level at 81%. For more detailed information on this month’s climate, check out Zacatecas weather in November.
In September, the weather is characterized by warm temperatures, with a minimum of 17°C (63°F) and an average of 27°C (81°F), peaking at a scorching 39°C (102°F). This month also sees significant precipitation, with 110 mm (4.3 in) of rain across 11 days, contributing to a humidity level of 72%. In contrast, December offers a much cooler climate, where temperatures drop significantly with a minimum of 2°C (36°F) and an average of 17°C (62°F), reaching a maximum of 35°C (95°F). The precipitation is markedly less, at 21 mm (0.8 in) over just 3 days, with humidity slightly higher at 80%. For more details on the specific weather patterns during this month, visit Zacatecas weather in December.
September in Zacatecas showcases a unique blend of warmth and occasional rainfall, distinctly different from the arid heat of summer months. With temperatures peaking around 39°C, the days remain warm, but the average temperature takes a comfortable dip, fostering a more pleasant atmosphere as the month progresses. Rainy days become more frequent, resulting in increased humidity levels that offer a refreshing contrast to the preceding dry spells. This transitional month not only marks a shift in weather patterns but also sets the stage for the vibrant colors of fall. For more detailed insights into the yearly weather trends, explore Zacatecas Climate.