September Weather in Nogales, Mexico

Last updated: April 22, 2025

In September, Nogales, Mexico experiences a blend of warm temperatures and notable rainfall, making it a unique time of year. The maximum temperature reaches 31°C (88°F), while the average hovers around a comfortable 20°C (68°F), with nighttime lows dropping to 10°C (51°F). This month sees significant precipitation, totaling 135 mm (5.3 in) across 17 rainy days, contributing to a high humidity level of 82%. Visitors should be prepared for a mix of sunny spells and refreshing showers, creating a vibrant atmosphere in this border town.

September Temperature in Nogales

September in Nogales, Mexico, ushers in a delightful transition with temperatures showcasing a comfortable blend of warmth and freshness. The month experiences a minimum temperature around 10°C (51°F), rising to an average of 20°C (68°F) and peaking at a maximum of 31°C (88°F). This marks a noticeable shift from the sweltering heat of summer, as days remain warm yet more bearable, inviting both locals and travelers to explore the vibrant surroundings. With evenings cooling down slightly, September offers the perfect backdrop for outdoor activities, highlighting a time when the weather is just right for enjoying the region's rich culture and beautiful landscapes.

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

The chart illustrates September temperature patterns in Nogales, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec535763687376727267656054
Data source: Temperature data for Nogales 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 Nogales

September sees a significant surge in precipitation in Nogales, Mexico, with 135 mm (5.3 in) of rainfall recorded over 17 days. This month stands out not only as the wettest of the year but also showcases a notable shift from the drier patterns earlier in the year. Following the relatively light rains of the spring and early summer, September’s influx marks the peak of the monsoon season, paving the way for vibrant landscapes and replenished water sources. As the rain pours down, the city's environment transforms, reflecting the bountiful moisture that invigorates the region, making it a captivating month for both nature and residents alike.

September Precipitation Trends in Nogales

The chart displays monthly precipitation patterns in Nogales, 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.
JanFebMarAprMayJunJulAugSepOctNovDec699410401157613655914
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Nogales

As September rolls into Nogales, Mexico, residents experience a noticeable spike in humidity, reaching 82%, marking a peak after the summer months. This uptick is part of a broader trend observed throughout the year, where humidity gradually rises from a low of 48% in April to a sultry 73% in July. While August remains slightly cooler at 71%, September heralds the onset of a more humid climate that will continue into the fall. Interestingly, the months following September maintain consistent high humidity levels, with October, November, and December hovering around 83% and 84%. This pattern suggests a wet season is settling in, encapsulating Nogales in a lush, moisture-laden atmosphere as the year begins to close.

September Average Humidity in Nogales

This chart illustrates the average monthly humidity levels in Nogales, 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.
JanFebMarAprMayJunJulAugSepOctNovDec70%62%53%48%52%64%73%71%82%83%82%84%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Nogales

September in Nogales, Mexico, continues the trend of an extremely high UV Index, measuring 13, which is consistent with the preceding months of summer. With a burn time of just 10 minutes, it's crucial for sun-seekers to take necessary precautions against skin damage. As the summer months fade into autumn, the UV Index remains elevated, reflecting the region's intense solar exposure. For those planning outdoor activities, it’s essential to stay informed and protected. Embrace the sun wisely, and for detailed information, check out the Nogales UV Index to ensure a safe and enjoyable experience.

Maximum UV Index Levels in Nogales for September

The chart shows the monthly maximum UV Index (UVI) for Nogales 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.
JanFebMarAprMayJunJulAugSepOctNovDec811121414131413131197
Data source: Nogales 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 Nogales

September in Nogales, Mexico, brings a delightful transition as summer's warmth begins to wane, offering 281 hours of sunshine. This month typically showcases a notable decrease from the summer peak, with sunlight hours dropping from 353 in May to September's count. While the sun still graces the skies abundantly, a gradual shift is evident from the sweltering highs of June and July, where hours hovered in the mid-340s. As autumn approaches, Nogales enjoys a perfect balance of light and warmth that invites both locals and visitors to revel in the vibrant landscapes and cultural festivities, making September a charming time to explore this sun-soaked region.

Monthly Sunshine Duration in Nogales: September Highlighted

The September sunshine duration represents the total number of hours Nogales 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.
JanFebMarAprMayJunJulAugSepOctNovDec220h262h311h324h353h346h344h339h281h286h271h273h
Data source: Nogales September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Nogales During September

September in Nogales, Mexico, features a 42% chance of sunny weather, marking a noticeable dip compared to the vibrant sunny months of May (74%) and April (66%). This trend is consistent with the fading summer, as the region transitions from the peak heat of July (39%) and August (38%), which are the least sunny months. With the arrival of October, the likelihood of sunshine begins to rebound significantly to 63%, indicating that while September may not be the sunniest month, it serves as a bridge to the clearer skies of autumn. Overall, visitors can expect a mix of sunshine and clouds as the seasons shift.

Percentage of Sunny Days in September in Nogales

The chart illustrates the percentage of sunny days in Nogales 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 Nogales experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec69%66%59%66%74%56%39%38%42%63%61%59%
Data source: Nogales September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Nogales in September

As September arrives in Nogales, Mexico, residents enjoy a pleasant 12 hours of daylight, mirroring the balance seen in the months of March and April. This marks a slight decline from the longer days of summer, where daylight peaked at 13 hours in May, June, and July. As the year transitions into autumn, the daylight gradually begins to wane, leading into the 11 hours of daylight expected in October. This consistent ebb and flow of daylight duration throughout the year highlights the region's rhythmic change in seasons, offering both a reprieve from the summer sun and a hint of the cozy winter months to come.

Average Daylight Hours in Nogales for September

The chart illustrates the variation in daylight duration in Nogales throughout the year, with September highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec10h 46m11h 18m12h 1m12h 45m13h 21m13h 39m13h 29m12h 57m12h 15m11h 31m10h 54m10h 35m
Data source: Nogales daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Nogales

As September ushers in a subtle shift in Nogales, Mexico, the winds slow down to an average of 1.9 m/s (4 mph), mirroring the calming breezes of late summer. This gentle air movement reflects a broader trend seen earlier in the season, with wind speeds gradually decreasing from a peak in March at 2.9 m/s (7 mph). The transition into fall brings a rhythm of tranquility, as the winds settle to levels reminiscent of July and August. In this serene atmosphere, September's breezes create a perfect backdrop for the vibrant culture and landscapes of Nogales, inviting residents and visitors alike to enjoy the lingering warmth and the scent of the earth preparing for its seasonal rest.

Average September Wind Speed in Nogales

The chart displays monthly wind speed patterns in Nogales, 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.
JanFebMarAprMayJunJulAugSepOctNovDec2.32.42.92.72.32.61.81.91.9 m/s1.81.72.0
Data source: Nogales September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Nogales Compares to Other Months

The weather in Nogales 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 Nogales and find detailed weather information for every month.

September and January present striking contrasts in weather. In September, temperatures typically range from a cool 10°C (51°F) at night to a hot 31°C (88°F) during the day, with an average of 20°C (68°F). This month is characterized by significant rainfall, averaging 135 mm (5.3 in) over 17 days, and high humidity levels at 82%. In contrast, January experiences much colder temperatures, with a minimum of -4°C (25°F) and a maximum of 27°C (81°F), averaging around 12°C (53°F). Precipitation is scarce in January, with only 6 mm (0.2 in) over just one day, and humidity is lower at 70%. For more details on January weather, check out Nogales weather in January.

September and February present contrasting weather patterns. In September, temperatures range from a mild 10°C (51°F) at night to a warm 31°C (88°F) during the day, with an average of 20°C (68°F). This month typically sees a significant amount of precipitation, totaling 135 mm (5.3 in) over about 17 days, coupled with high humidity levels at 82%. In stark contrast, February experiences lower temperatures, with nighttime lows dropping to -3°C (27°F) and an average of 14°C (57°F), while daytime highs can also reach 31°C (88°F). February is much drier, receiving only 9 mm (0.4 in) of precipitation over just 2 days, and features lower humidity at 62%. For more specifics about February weather, you can visit Nogales weather in February.

September and March present distinct weather patterns that reflect the transition between seasons. In September, temperatures range significantly from a cooler minimum of 10°C (51°F) to a warm average of 20°C (68°F), peaking at 31°C (88°F). This month is characterized by higher precipitation, averaging 135 mm (5.3 in) over 17 days, and an elevated humidity level of 82%. In contrast, March experiences milder weather with temperatures ranging from a low of 1°C (34°F) to an average of 17°C (63°F), and surging to a maximum of 34°C (94°F). Moreover, it sees minimal precipitation of just 9 mm (0.4 in) over a single day and a lower humidity of 53%. These differences highlight the wetter, more humid conditions of September compared to the drier and warmer March days. For more specific insights into the climate, you can explore Nogales weather in March.

In comparing the weather conditions of September and April, we see notable differences in temperature and precipitation. September experiences a wider temperature range with minimums of 10°C (51°F) and maximums reaching up to 31°C (88°F), while April starts cooler at a minimum of 4°C (40°F) but can peak at a higher maximum of 34°C (94°F). Precipitation is significantly higher in September, with 135 mm (5.3 in) falling over 17 days, compared to just 4 mm (0.1 in) over 1 day in April. Additionally, September's humidity is considerably higher at 82%, contrasting sharply with April's much drier atmosphere at 48%. For more detailed information, you can check Nogales weather in April.

When comparing the weather in September and May, notable differences emerge. September typically sees a broader temperature range, with minimums around 10°C (51°F) and maximums reaching up to 31°C (88°F), while May features slightly lower minimums at 8°C (46°F) but higher maximums soaring to 36°C (98°F). Additionally, September experiences significantly more rainfall, averaging 135 mm (5.3 in) across 17 days, contrasting sharply with May's minimal precipitation of just 10 mm (0.4 in) over 3 days. Humidity levels in September are notably high at 82%, whereas May brings a more comfortable 52%. For further details, check out this link: Nogales weather in May.

September and June present distinct weather characteristics. September typically experiences a wider temperature range, with minimums around 10°C (51°F) and maximums reaching up to 31°C (88°F), while June offers a warmer climate with minimums of 13°C (55°F) and highs soaring to 37°C (98°F). Humidity levels are notably higher in September at 82%, contributing to a more muggy atmosphere, compared to June's lower humidity of 64%. Additionally, September sees significantly more rainfall, accumulating 135 mm (5.3 in) over about 17 days, whereas June is drier with only 40 mm (1.6 in) falling over just 7 days. For further details on June weather, you can check Nogales weather in June.

In comparing the weather conditions of September and July, it's clear that July tends to be warmer and drier. During July, temperatures range from a minimum of 14°C (58°F) to a maximum of 34°C (93°F), with an average of 22°C (72°F). In contrast, September sees cooler temperatures, with a minimum of 10°C (51°F) and a maximum of 31°C (88°F), averaging at 20°C (68°F). While July experiences less precipitation at 115 mm (4.5 in) over 15 days, September is comparatively wetter, receiving 135 mm (5.3 in) across 17 days. Additionally, September has higher humidity levels at 82%, while July's humidity sits lower at 73%. For more detailed insights, you can check Nogales weather in July.

In comparing the weather of September and August, September tends to be cooler overall, with average temperatures ranging from a minimum of 10°C (51°F) to a maximum of 31°C (88°F), while August features slightly warmer conditions, with a minimum of 13°C (55°F) and a maximum of 33°C (92°F). Additionally, September experiences significantly higher precipitation, totaling 135 mm (5.3 in) over 17 days, compared to August's 76 mm (3.0 in) over just 9 days. Humidity levels are also higher in September at 82%, compared to 71% in August, contributing to a more humid atmosphere. For more detailed information, you can check out Nogales weather in August.

In September, temperatures range from a minimum of 10°C (51°F) to a maximum of 31°C (88°F), with an average of 20°C (68°F). The month is characterized by significant precipitation, totaling 135 mm (5.3 in) over 17 days, and a humidity level of 82%. In contrast, October sees slightly cooler temperatures, with minimums dropping to 6°C (43°F) and an average of 18°C (65°F), while the maximum reaches 30°C (87°F). Notably, October experiences much less rainfall, with only 55 mm (2.2 in) over 7 days and a similar humidity level of 83%. For more insights into October weather specifics, you can refer to Nogales weather in October.

September and November exhibit distinct differences in weather conditions. In September, temperatures range from a minimum of 10°C (51°F) to a maximum of 31°C (88°F), with an average of 20°C (68°F). This month also experiences considerable precipitation, totaling 135 mm (5.3 in) over 17 days, and maintains a humidity level of 82%. In contrast, November sees a notable drop in minimum temperatures, reaching as low as -3°C (26°F), while the average hovers around 15°C (60°F) and can peak at 30°C (86°F). Precipitation is significantly reduced to just 9 mm (0.3 in) over one day, yet humidity remains consistent at 82%. For more details on November weather, you can check Nogales weather in November.

In September, the weather is considerably warmer, with temperatures ranging from a minimum of 10°C (51°F) to a maximum of 31°C (88°F) and an average of 20°C (68°F). The month experiences significant precipitation, totaling 135 mm (5.3 in) over 17 days, along with a high humidity level of 82%. In contrast, December brings a chillier climate, with temperatures dropping to a minimum of -6°C (21°F) and a more moderate average of 12°C (54°F), peaking at 28°C (83°F). The precipitation is much lower in December, only about 14 mm (0.5 in) over just 2 days, while humidity remains relatively high at 84%. For more details on December conditions, you can check out Nogales weather in December.

Compare Nogales's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Nogales

As September unfolds in Nogales, it brings a blend of warmth and moisture that sets it apart from the drier months of the year. With maximum temperatures hovering around a comfortable 31°C (88°F) and an average that cools down to a mild 20°C (68°F), the month's climate invites outdoor exploration, albeit amidst frequent rainfall. The 82% humidity and approximately 17 days of rain contribute to a lush landscape, marking a distinct contrast to the sun-soaked and arid scenes of the summer months. This transitional season not only refreshes the surroundings but also prepares nature for the upcoming cooler months. To explore more about how this weather influences life in the region, check out Nogales Climate.