September Weather in Tamaulipas, Mexico

Last updated: April 22, 2025

September in Tamaulipas, Mexico, offers a warm and humid climate characterized by average temperatures of 26°C (79°F), peaking at a comfortable 31°C (88°F) during the day and dipping to a mild 22°C (73°F) at night. This month is notable for its significant precipitation, with 368 mm (14.5 in) of rain falling over approximately 27 days. Relative humidity remains high at 80%, creating a tropical ambiance that is typical for the region during this time. Visitors and locals alike should prepare for frequent rain showers as the month progresses, while still enjoying the warm temperatures that define this vibrant coastal area.

September Temperature in Tamaulipas

In September, Tamaulipas, Mexico, experiences a gentle transition towards cooler temperatures as summer begins to ebb. The minimum temperature rests at a comfortable 22°C (73°F), while the average hovers around 26°C (79°F), making it a pleasant month for outdoor activities. The maximum temperature slightly dips to 31°C (88°F), providing relief from the intense heat of peak summer months. This shift signals a gradual decline in temperature compared to the preceding months, where both July and August consistently reached highs of 32°C-33°C (91°F-92°F). Overall, September offers a delightful blend of warmth and mildness, ideal for enjoying the last moments of summer before the cooler autumn days arrive.

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

The chart illustrates September temperature patterns in Tamaulipas, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec777880818179818079797978
Data source: Temperature data for Tamaulipas 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 Tamaulipas

September in Tamaulipas, Mexico, marks a peak in the region's precipitation patterns, with remarkable rainfall measurements reaching 368 mm (14.5 in). This significant uptick reflects the ongoing wet season, which typically begins in May and culminates in September, showcasing a trend of increasingly abundant rainfall. With 27 days of precipitation, September stands out as one of the wettest months, following August's impressive totals. The consistent pattern of rain in these summer months underscores the tropical climate's influence, characterized by heavy downpours that nurture the landscape while also posing challenges for residents. As the region transitions into October, the precipitation begins to taper off, yet the lingering effects of September's abundant rains pave the way for a vibrant environment, illustrating the crucial relationship between seasonal changes and weather patterns in this area.

September Precipitation Trends in Tamaulipas

The chart displays monthly precipitation patterns in Tamaulipas, 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.
JanFebMarAprMayJunJulAugSepOctNovDec33635153320192306368286214
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Tamaulipas

In September, humidity in Tamaulipas, Mexico, settles at a notable 80%, continuing the trend of elevated moisture levels characteristic of the summer months. As the summer heat peaks in July and August with humidity levels reaching 81% and 82%, September marks a slight decline, though it remains high. This month also follows a gradual increase from 64% in March to 74% in May, with a steady rise culminating in the humid late summer. As the year transitions into October, humidity levels only decrease slightly to 81%, suggesting that while the intense summer heat begins to wane, a palpable humidity remains—a telltale sign of Tamaulipas' tropical atmosphere.

September Average Humidity in Tamaulipas

This chart illustrates the average monthly humidity levels in Tamaulipas, 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%68%64%67%74%78%82%82%80%81%80%75%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Tamaulipas

In September, Tamaulipas maintains an extreme UV Index of 13, reflecting a consistent trend of high sun intensity that has persisted since February. With a brief burn time of just 10 minutes, residents and visitors alike must exercise extra caution to protect their skin from harmful UV rays. This month continues the pattern seen over the summer, where months like July and August also recorded an extreme index, highlighting the region's intense solar exposure during these sunny months. As October approaches, the UV Index will slightly drop to 12, signaling a gradual shift, yet the need for sun protection remains vital. For more details on sun safety and the UV Index, check out Tamaulipas UV Index.

Maximum UV Index Levels in Tamaulipas for September

The chart shows the monthly maximum UV Index (UVI) for Tamaulipas 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.
JanFebMarAprMayJunJulAugSepOctNovDec10111314131314131312109
Data source: Tamaulipas 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 Tamaulipas

In Tamaulipas, Mexico, September marks a delightful transition from the peak summer months, showcasing an impressive 287 hours of sunshine. This abundance of sunlight continues the trend seen from the summer, where July and August boasted 320 and 300 hours respectively, ensuring plenty of opportunities for outdoor adventures. As the year progresses, September's sunshine gently tapers off toward the autumn months, yet it remains vibrant compared to the winter decline, suggesting that warm days linger longer in this charming region. With consistent hours throughout the fall, averaging around 290 hours from October to November, Tamaulipas remains a sunny haven that invites travelers to savor its bright landscapes even as the seasons change.

Monthly Sunshine Duration in Tamaulipas: September Highlighted

The September sunshine duration represents the total number of hours Tamaulipas 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.
JanFebMarAprMayJunJulAugSepOctNovDec248h281h322h314h316h272h320h300h287h291h309h312h
Data source: Tamaulipas September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Tamaulipas During September

In Tamaulipas, Mexico, September ushers in a noticeable decline in sunny weather, with only a 17% chance of sunshine — the lowest for the year. This marks a stark contrast to the early months, where February boasts an impressive 88% likelihood of clear skies. As summer transitions into fall, the region experiences a significant drop in sunlit days, continuing a downward trend from the preceding months of June and August. The waning daylight and increased cloud cover suggest that while September may not offer the ideal beach weather, it sets the stage for a much-needed respite from the intense heat experienced in the summer months.

Percentage of Sunny Days in September in Tamaulipas

The chart illustrates the percentage of sunny days in Tamaulipas 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 Tamaulipas experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec67%88%81%58%34%12%20%15%17%39%71%87%
Data source: Tamaulipas September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Tamaulipas in September

In Tamaulipas, Mexico, the daylight duration throughout the year exhibits a gentle rhythm, peaking in the summer months. September marks a transition as daylight settles at a consistent 12 hours, mirroring the previous months of June, July, and August, which are characterized by longer days. As early autumn sets in, the daylight begins to wane, gradually retreating to 11 hours in October. This seasonal shift not only invites cooler breezes but also heralds the approach of shorter days, creating a harmonious balance between light and dark that reflects the changing seasons in this vibrant region.

Average Daylight Hours in Tamaulipas for September

The chart illustrates the variation in daylight duration in Tamaulipas throughout the year, with September highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec11h 17m11h 37m12h 2m12h 29m12h 51m13h 2m12h 56m12h 36m12h 11m11h 45m11h 22m11h 11m
Data source: Tamaulipas daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Tamaulipas

In September, the winds in Tamaulipas, Mexico, exhibit a slight uptick, reaching an average speed of 1.9 m/s (4 mph), a modest increase from the summer months. This marks a transition from the calmer breezes of July and August, where winds hovered around 1.6 to 1.7 m/s (4 mph). As summer fades, the gentle September winds hint at the promise of more invigorating gusts ahead, with the approaching October likely to bring even cooler breezes. A noticeable trend emerges as the year progresses, with wind speeds typically rising in the autumn months, peaking into November at 3.4 m/s (8 mph), suggesting that the seasonal shift not only brings cooler temperatures but also a refreshing breeze that welcomes the fall.

Average September Wind Speed in Tamaulipas

The chart displays monthly wind speed patterns in Tamaulipas, 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.
JanFebMarAprMayJunJulAugSepOctNovDec2.92.92.92.51.81.81.71.61.9 m/s1.73.42.4
Data source: Tamaulipas September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Tamaulipas Compares to Other Months

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

When comparing the weather in September and January, a marked contrast becomes evident. September features higher overall temperatures, with daily averages around 26°C (79°F) and maximums reaching 31°C (88°F). It is also characterized by significant precipitation, with 368 mm (14.5 in) of rain spread over 27 days, contributing to a high humidity level of 80%. In stark contrast, January offers a milder climate, with minimum temperatures around 18°C (65°F) and daily averages of 25°C (78°F). Notably, January is exceptionally dry, receiving just 3 mm (0.1 in) of precipitation and enjoying zero rainy days, along with a lower humidity of 70%. For more insights on seasonal weather, you can explore Tamaulipas weather in January.

In September, the weather tends to be warm and humid, with average temperatures around 26°C (79°F) and maximums reaching up to 31°C (88°F). However, this month is also characterized by significant rainfall, with 368 mm (14.5 in) of precipitation spread over 27 days, resulting in a high humidity level of 80%. In contrast, February experiences milder temperatures, with minimums of 18°C (65°F) and maximums peaking at 33°C (92°F), yet it remains dry with only 2 mm (0.1 in) of precipitation and no rainy days. The humidity drops to a comfortable 68%, making February a much drier and more pleasant month compared to the wet conditions of September. For more detailed insights, visit Tamaulipas weather in February.

September and March showcase contrasting weather patterns. In September, temperatures range from a minimum of 22°C (73°F) to a maximum of 31°C (88°F), with an average of 26°C (79°F). This month is characterized by high humidity at 80% and significant rainfall, totaling 368 mm (14.5 in) over 27 days. In stark contrast, March enjoys warmer temperatures, with a minimum of 20°C (69°F), an average of 27°C (80°F), and a maximum of 34°C (93°F). Precipitation is minimal in March, with just 6 mm (0.2 in) occurring over a single day and a lower humidity level of 64%. For more details, visit Tamaulipas weather in March.

In comparing the weather between September and April, September tends to be more humid and rainy, with an average temperature of 26°C (79°F) and significant precipitation of 368 mm (14.5 in) over 27 days. In contrast, April enjoys slightly warmer temperatures, with an average of 27°C (81°F) and much less rainfall, totaling only 35 mm (1.4 in) across just 7 days. This results in a drier climate in April, which also features lower humidity at 67%, compared to September's 80%. For more detailed insights, you can check Tamaulipas weather in April.

In September, the weather tends to be warm with average temperatures ranging from a minimum of 22°C (73°F) to a maximum of 31°C (88°F). This month is marked by high precipitation, totaling 368 mm (14.5 in) over 27 days, and an average humidity level of 80%. In contrast, May enjoys slightly warmer temperatures, with a minimum of 23°C (73°F) and a maximum soaring to 35°C (95°F), alongside significantly lower rainfall of 153 mm (6.0 in) over 24 days and a humidity level of 74%. The distinct differences in precipitation and temperature make these months unique in their own right. For more details, check Tamaulipas weather in May.

September and June in Tamaulipas exhibit similarities in temperatures, with both months experiencing a minimum temperature of 22°C (73°F) and an average around 26°C (79°F). However, June tends to be slightly warmer at a maximum of 33°C (92°F) compared to September's maximum of 31°C (88°F). In terms of precipitation, September sees a higher amount with 368 mm (14.5 in) over 27 days, compared to June's 320 mm (12.6 in) across the same number of days, highlighting September's wetter climate. The humidity levels are comparable as well; September has a humidity of 80%, while June is at 78%. For more details on June weather, visit Tamaulipas weather in June.

In comparing the weather of September and July, both months showcase a warm tropical climate, yet there are notable differences. September experiences a slightly lower temperature range, with a minimum of 22°C (73°F) and an average of 26°C (79°F), compared to July's minimum of 23°C (73°F) and average of 27°C (81°F). Rainfall is significantly higher in September, with 368 mm (14.5 in) spread over 27 days, while July sees only 192 mm (7.6 in) of precipitation over 26 days. Humidity remains relatively consistent between the two months, with September at 80% and July at 81%. Those interested in exploring July's weather can find more information here: Tamaulipas weather in July.

In comparing the weather conditions of September and August, September tends to be slightly cooler, with average temperatures ranging from a minimum of 22°C (73°F) to a maximum of 31°C (88°F), while August features a higher average of 27°C (80°F) and can peak at 33°C (91°F). Precipitation levels also rise in September, reaching 368 mm (14.5 in) over 27 days, compared to August's 306 mm (12.0 in) within the same number of days. Both months experience high humidity, though September is at 80% and August is slightly higher at 82%. For more detailed insights into the weather for August, visit Tamaulipas weather in August.

In September, the weather is characterized by warm temperatures with a minimum of 22°C (73°F) and an average of 26°C (79°F), peaking at 31°C (88°F). This month experiences significant precipitation, with 368 mm (14.5 in) falling over 27 days, contributing to a high humidity level of 80%. In contrast, October shares similar temperature averages, with a minimum of 22°C (72°F) and a maximum of 32°C (90°F), but sees a decrease in precipitation to 286 mm (11.3 in) over 25 days. The humidity remains comparable at 81%. For more details on October weather, check out Tamaulipas weather in October.

In September, the weather tends to be warmer and considerably wetter, with temperatures ranging from a minimum of 22°C (73°F) to a maximum of 31°C (88°F), and an average of 26°C (79°F). The month experiences significant rainfall, totaling 368 mm (14.5 in) over 27 days, while humidity remains high at 80%.

In contrast, November brings slightly cooler temperatures, with a minimum of 20°C (68°F) and a maximum of 32°C (90°F), maintaining an average of 26°C (79°F). The rainfall drops dramatically to just 21 mm (0.8 in) over 6 days, yet humidity remains steady at 80%. For a detailed look at the weather patterns, check out Tamaulipas weather in November.

In September, the weather is characterized by warmer temperatures, with an average of 26°C (79°F) and peaks reaching up to 31°C (88°F). However, this month also experiences significant rainfall, with 368 mm (14.5 in) of precipitation spread over 27 days, resulting in high humidity levels of around 80%. In contrast, December brings a slight cooling, with minimum temperatures of 18°C (65°F) and a similar average of 26°C (78°F), although it can reach a maximum of 32°C (89°F). Notably, December is much drier, receiving only 4 mm (0.1 in) of rainfall on just one day, and the humidity drops to 75%. For more insights into the weather conditions in December, you can visit Tamaulipas weather in December.

Compare Tamaulipas's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Tamaulipas

As September unfolds in Tamaulipas, it ushers in a transitional phase characterized by higher humidity and substantial rainfall compared to the drier months preceding it. The wetter conditions—marked by frequent showers—contribute to a rich, lush landscape, while the temperatures remain warm, creating a unique blend of heat and moisture. This distinct weather pattern not only contrasts sharply with the drier summer months but also sets the stage for the coming fall. For those intrigued by the nuances of Tamaulipas' climate, more detailed insights can be found at Tamaulipas Climate.