Last updated: April 22, 2025
In September, Matamoros, Mexico, experiences a warm climate characterized by a maximum temperature soaring to 39°C (102°F) and an average of 28°C (83°F), providing a typical late-summer atmosphere. The weather is punctuated by notable humidity levels at 80%, contributing to a muggy feel. With 21 days of precipitation totaling 157 mm (6.2 in), rain events frequently interrupt the heat, fostering a lush environment. Visitors during this month should prepare for a mix of warm sun and intermittent showers, making September a unique time to experience the region.
September in Matamoros, Mexico, brings a blend of warmth and mild humidity, setting the stage for a pleasant early fall experience. With minimum temperatures hovering around 22°C (72°F) and average highs reaching a comfortable 39°C (102°F), this month represents a gradual shift as summer begins to fade. The average temperature settles at 28°C (83°F), making it ideal for outdoor activities, though locals and travelers alike should be prepared for the lingering heat. Notably, September continues the trend of the preceding months, maintaining high averages while hinting at the cooler days that October will bring. As this vibrant city transitions from the intense summer heat, the warmth of September is perfect for enjoying its rich culture and scenic views.
In September, Matamoros experiences a significant spike in precipitation, receiving 157 mm (6.2 in) over 21 days, marking it as one of the wettest months of the year. This surge follows a progressively wetter trend, building from 63 mm (2.5 in) in May, escalating through the summer months of June and August. The increased rainfall not only indicates the peak of the rainy season but also suggests a sustained pattern of moisture that sets the stage for the upcoming fall. As October approaches, precipitation levels remain high, but the sheer volume of rainfall in September is a reminder of the region's transition into a lush and vibrant landscape, offering a stark contrast to the drought-like conditions seen in winter months.
In Matamoros, Mexico, September marks a notable rise in humidity, reaching 80%, which is a significant increase from the summer months. This uptick reflects the transitional nature of early fall, following August's high of 76%. As the year progresses, a consistent trend emerges: humidity levels gradually increase, peaking in the colder months where they reach over 80% by October and continue to climb to 84% by December. This pattern indicates that while the intense summer heat may wane, the moisture in the air persists, setting the stage for a humid autumn season.
In September, Matamoros, Mexico, continues to experience an extreme UV Index of 13, echoing the consistent high levels of sun exposure seen throughout the summer months. With a burn time of just 10 minutes, it's crucial for residents and visitors alike to take precautions against potential sun damage. Interestingly, this month maintains the trend set from May through August, where the UV Index has remained remarkably stable, illustrating Matamoros' enduring exposure to intense sunlight. As the year transitions into autumn, it's essential to be aware of these UV levels for safe outdoor activities. For more detailed information on local UV conditions, visit Matamoros UV Index.
UV Risk Categories
In September, Matamoros, Mexico, basks in a delightful 300 hours of sunshine, contributing to the region's vibrant atmosphere as summer transitions into fall. This month stands out with a commendable amount of sunlight, just a notch below the peak summer months of July and August, which boast 331 and 323 hours respectively. Interestingly, the data reveals a general trend of increasing sunlight as the year begins, peaking in late spring and summer before gradually tapering off through autumn and winter. With a beautifully consistent array of sunny days, September sets a warm stage for outdoor activities and community gatherings, ensuring that the sun continues to play a vital role in the daily rhythm of life in Matamoros.
In September, Matamoros, Mexico experiences a notable dip in sunshine, with only a 30% chance of clear skies. This marks the month as one of the cloudier periods of the year, following the typically sunny months of March and April, which boast chances as high as 76% and 64% respectively. The trend throughout the year indicates a gradual decline in sunny days from the vibrant sunshine of late spring into the cooler autumn months. Consequently, visitors in September might want to prepare for the likelihood of overcast conditions, making it a perfect time for indoor activities or exploring the rich culture and history of the city when the sun is hiding. After September, the chance of sun begins to rise again, creating a dynamic weather pattern that keeps each month unique in its own right.
In Matamoros, Mexico, the daylight duration showcases a noticeable rhythm throughout the year. Beginning with about 11 hours of daylight in January and February, the days gradually lengthen, peaking at 13 hours from May to July. As summer transitions to autumn, daylight starts to recede, settling back to 12 hours in September before dropping to 11 hours by October. This cyclical pattern reflects the region's mild climate and inviting light, making it a delightful time to enjoy the outdoors as daylight gradually dims with the coming fall.
As September rolls into Matamoros, Mexico, the wind begins to soften, with average speeds dipping to 2.3 m/s (5 mph). This marks a gradual decline from the breezier late spring and summer months, where wind speeds hovered around 3.0 m/s (7 mph). Following the vibrant summer season, September heralds a transition into calmer weather, setting the stage for the cooler autumn months ahead. Interestingly, wind speeds continue to decrease into October, reaching a low of 1.9 m/s (4 mph), suggesting a gentle easing in the atmospheric conditions as the region bids farewell to the energetic summer breezes. This trend encapsulates the serene, contemplative essence of early fall in Matamoros, inviting both locals and visitors to embrace its tranquil charm.
The weather in Matamoros 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 Matamoros and find detailed weather information for every month.
September and January present a notable contrast in weather conditions. In September, temperatures range from a minimum of 22°C (72°F) to a scorching maximum of 39°C (102°F), with an average temperature of 28°C (83°F). This month experiences significant rainfall, totaling 157 mm (6.2 inches) over 21 days, coupled with high humidity at 80%. In contrast, January offers cooler temperatures, with a minimum of 13°C (56°F) and a maximum of 37°C (99°F), averaging around 24°C (76°F). Rainfall is minimal during this month, with just 19 mm (0.8 inches) over 3 days, and humidity levels are slightly lower at 78%. For more information on the weather patterns in January, you can check out Matamoros weather in January.
When comparing the weather in September and February, distinct differences emerge. September typically experiences much warmer temperatures with a minimum of 22°C (72°F) and an average of 28°C (83°F), while February starts cooler, with a minimum of only 12°C (54°F). However, February can reach similar maximums, peaking at 40°C (105°F), just slightly above September's maximum of 39°C (102°F). September is characterized by higher humidity (80%) and significantly more precipitation, averaging 157 mm (6.2 in) over 21 days, whereas February sees minimal rain, with just 5 mm (0.2 in) on only 1 day and lower humidity at 73%. For a detailed look at the climate, check out Matamoros weather in February.
September and March exhibit notable differences in weather patterns. September typically has warmer nights, with minimum temperatures around 22°C (72°F), peaking at a maximum of 39°C (102°F) during the day. Conversely, March features cooler nights with a minimum of 16°C (62°F) but can reach even higher daytime temperatures, maxing out at 42°C (107°F). While both months have similar average temperatures at 28°C (83°F), September is marked by significant rainfall, averaging 157 mm (6.2 in) over 21 days, whereas March experiences minimal precipitation with only 8 mm (0.3 in) over just one day. Additionally, humidity levels are higher in September at 80%, compared to 64% in March. For more detailed insights, you can check Matamoros weather in March.
When comparing the weather between September and April, notable differences emerge in temperature and precipitation. September typically experiences a minimum temperature of 22°C (72°F) and an average of 28°C (83°F), with peak temperatures reaching as high as 39°C (102°F). This month also sees substantial rainfall, averaging 157 mm (6.2 in) over 21 days, accompanied by a high humidity of 80%. In contrast, April showcases a more extreme temperature range, with minimums dropping to 17°C (63°F) and achieving maximums of 44°C (111°F). Precipitation is significantly lower during this month, with only 18 mm (0.7 in) spread across just 4 days, and a humidity rate of 61%. For more detailed insights, take a look at Matamoros weather in April.
In comparing the weather of September and May, a few noticeable differences emerge. September features a warmer average temperature of 28°C (83°F), with a high that can reach up to 39°C (102°F), while May boasts an even higher average of 31°C (88°F) and peaks at 43°C (109°F). Precipitation also varies significantly; September experiences 157 mm (6.2 in) of rain over 21 days, making it a much wetter month than May, which sees only 63 mm (2.5 in) over about 10 days. Additionally, September's humidity level is considerably higher at 80%, compared to May’s 59%, leading to a relatively stickier feel during the former. For more detailed information on May weather, you can visit Matamoros weather in May.
When comparing the weather in September to that in June, we see notable differences in both precipitation and humidity levels. September boasts an average temperature of 28°C (83°F) with highs reaching 39°C (102°F), while June has a similar average of 29°C (84°F) and a maximum of 39°C (103°F). However, September experiences significantly more rainfall, with 157 mm (6.2 in) spread over 21 days, compared to June's 240 mm (9.5 in) in just 18 days. Furthermore, humidity levels are much higher in September at 80%, whereas June sees a lower humidity level of 59%. For a closer look at June weather patterns, you can check out Matamoros weather in June.
In comparing the weather between September and July, September tends to be slightly cooler with average temperatures around 28°C (83°F), while July has a marginally higher average of 29°C (85°F). Both months start with minimum temperatures of about 22°C (72°F), but July peaks at 40°C (103°F), just shy of September's maximum of 39°C (102°F). Notably, September experiences significantly more rainfall, with 157 mm (6.2 in) over 21 days, in contrast to July's 74 mm (2.9 in) over 14 days. Additionally, the humidity is higher in September at 80%, compared to July's 64%, making September feel much more humid overall. For more detailed weather insights, you can check Matamoros weather in July.
In comparing the weather between August and September, we notice some distinct differences. August generally boasts slightly warmer average temperatures, reaching an average of 29°C (85°F) and peaking at 40°C (105°F), while September features a slightly cooler average of 28°C (83°F) with a maximum temperature of 39°C (102°F). Precipitation also increases significantly in September, with 157 mm (6.2 in) falling over 21 days, compared to 104 mm (4.1 in) over 18 days in August. Additionally, September experiences higher humidity levels at 80%, compared to August's 76%. For more detailed insights on August weather, check out Matamoros weather in August.
September and October exhibit distinct weather patterns, although they share some similarities. In September, temperatures range from a minimum of 22°C (72°F) to a maximum of 39°C (102°F), with an average of 28°C (83°F). The month is also characterized by significant rainfall, totaling 157 mm (6.2 inches) over 21 days and a humidity level of 80%. In contrast, October sees a slight dip in temperatures, with a minimum of 17°C (64°F), an average of 27°C (81°F), and a maximum of 37°C (99°F). Rainfall is also reduced to 146 mm (5.8 inches), but the number of rainy days remains the same at 21, with humidity slightly increasing to 82%. For more details, check Matamoros weather in October.
In September, the weather is significantly warmer with average temperatures reaching 28°C (83°F) and highs soaring up to 39°C (102°F). This month also sees considerable rainfall, totaling 157 mm (6.2 in) over 21 days, creating a humid environment with levels around 80%. In contrast, November experiences a much cooler climate with an average temperature of 25°C (78°F) and a maximum of 35°C (95°F). Rainfall drops to 60 mm (2.4 in) spread over just 10 days, while humidity slightly increases to 83%. For more insights on this month's weather, check Matamoros weather in November.
In September, temperatures typically range from a minimum of 22°C (72°F) to a maximum of 39°C (102°F), with an average of 28°C (83°F). This month also sees significant precipitation, with 157 mm (6.2 in) of rain falling over 21 days, contributing to a high humidity level of 80%. In contrast, December offers a much cooler climate, with temperatures ranging from a minimum of 11°C (51°F) to a maximum of 36°C (98°F), and an average temperature of 25°C (77°F). Rainfall drastically decreases to just 25 mm (1.0 in) over 5 days, while humidity remains relatively high at 84%. For a more detailed view of the December weather, you can visit Matamoros weather in December.
As September rolls in, Matamoros experiences a unique transformation compared to the preceding months. With an average temperature hovering at a warm 28°C (83°F), this vibrant city becomes a canvas of fluctuating highs reaching up to 39°C (102°F) and lows dipping to 22°C (72°F). This month is characterized by an increase in humidity levels, often soaring to around 80%, enhancing the sultry atmosphere. Moreover, the rainfall picks up significantly, with 157 mm (6.2 in) spread over 21 days, setting the stage for dramatic thunderstorms and lush greenery. This blend of warmth and moisture truly distinguishes September, making it a noteworthy time in the Matamoros climate calendar. For more detailed insights, visit Matamoros Climate.