September Weather in Toxtla, Mexico

Last updated: April 22, 2025

In September, Toxtla, Mexico experiences a captivating blend of weather patterns. With average temperatures hovering around 17°C (63°F), ranging from a comfortable 25°C (78°F) maximum to a cooler 7°C (45°F) minimum, this month brings a refreshing transition into the rainy season. Precipitation is significant, totaling 337 mm (13.3 in) over 27 days, contributing to the area's lush landscapes. Coupled with an average humidity of 82%, the atmosphere feels rich and tropical, inviting both residents and visitors to embrace the vibrant, transforming environment.

September Temperature in Toxtla

In September, Toxtla experiences a gentle shift in temperatures as autumn approaches. With a minimum of 7°C (45°F) and an average of 17°C (63°F), the weather remains mild, making it a comfortable time to explore this vibrant region. The maximum temperature hovers around 25°C (78°F), striking a pleasant balance that invites outdoor activities without the sweltering heat of summer. As the month progresses, the steady averages signal a transition, hinting at cooler evenings while still basking in the warmth of the day. This trend reflects Toxtla's characteristic mild climate, perfect for those looking to enjoy the beauty of early fall.

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

The chart illustrates September temperature patterns in Toxtla, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec535659626463636363605654
Data source: Temperature data for Toxtla 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 Toxtla

September marks a significant peak in precipitation in Tuxtla, Mexico, with an impressive 337 mm (13.3 in) of rainfall accumulated over 27 days. This not only solidifies September's position as the month with the highest rainfall but also illustrates the continuation of the wet season that started in June, where rainfall steadily climbs. Following the intense downpours of August, September maintains this trend, delivering moisture essential for the region's lush landscapes. As the rains taper off into October, the decrease in precipitation is notable, suggesting a gradual transition towards drier months ahead. This dynamic shift in rainfall patterns emphasizes the rich seasonal changes characterizing Tuxtla’s climate.

September Precipitation Trends in Toxtla

The chart displays monthly precipitation patterns in Toxtla, 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.
JanFebMarAprMayJunJulAugSepOctNovDec73588810115026422530933726010437
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Toxtla

In September, humidity in Tuxtla, Mexico, rises to 82%, marking a notable increase as the rainy season approaches its peak. This month serves as a transition from the drier summer months, where July and August recorded lower humidity levels of 68% and 70%, respectively. As autumn begins, September sets the stage for a notable uptick, foreshadowing the wetter conditions of October and November, which boast humidity levels of 91% and 89%. Observing this trend, it becomes clear that September is a critical juncture, moving from the lingering warmth of summer into the more humid atmosphere that characterizes the latter part of the year. With such shifts, residents and visitors alike can expect a mix of warm days and increased cloud cover as they enjoy the vibrant scenery of Tuxtla.

September Average Humidity in Toxtla

This chart illustrates the average monthly humidity levels in Toxtla, 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.
JanFebMarAprMayJunJulAugSepOctNovDec84%78%75%71%77%76%68%70%82%91%89%88%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Toxtla

In September, Toxtla, Mexico experiences a consistently high UV Index of 14, categorized as extreme, with a burn time of just 10 minutes. This trend reflects the region's intense sun exposure, characteristic of the summer months that typically stretch from February through October. Notably, while the UV Index peaks at 15 during May, it remains elevated at 14 through to September, indicating a sustained need for sun protection. As the UV Index gradually decreases in October, dropping to 12, residents and visitors alike should remain vigilant about sun safety during this period. For a comprehensive view of UV trends throughout the year, visit Toxtla UV Index.

Maximum UV Index Levels in Toxtla for September

The chart shows the monthly maximum UV Index (UVI) for Toxtla 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.
JanFebMarAprMayJunJulAugSepOctNovDec9121314151414141412108
Data source: Toxtla 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 Toxtla

As the year unfolds in Toxtla, Mexico, September brings a gentle transition characterized by an inviting 260 hours of sunshine. This follows the vibrant peak of summer, where May shines brightest with 316 hours. While September sees a reduction in sunlight compared to the sun-kissed months of June and July, it still holds onto a wealth of brightness, embracing a cozy ambiance. The daylight diminishes gradually as autumn sets in, yet September remains significantly sunnier than the cooler months ahead. This pattern not only highlights the region's pleasant climate but also sets the stage for the more mellow months of October and November, where daylight hours settle around 264 and 257 respectively. The rich tapestry of sunshine paints each month with its unique charm, keeping Toxtla vibrant year-round.

Monthly Sunshine Duration in Toxtla: September Highlighted

The September sunshine duration represents the total number of hours Toxtla 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.
JanFebMarAprMayJunJulAugSepOctNovDec212h255h299h302h316h278h301h292h260h264h257h275h
Data source: Toxtla September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Toxtla During September

In September, Toxtla, Mexico experiences a notable dip in sunny weather, with a mere 12% chance of sunshine. This stark decline follows the summer months, where July and August also see low probabilities of clear skies at 13% and 18% respectively. Notably, this month falls within the rainy season, leading to increased cloud cover and precipitation. As autumn approaches, the likelihood of sunny days gradually improves, rising to 27% in October. While September may offer limited sunlight, it sets the stage for a return to clearer skies as the year progresses, reflecting the region's climatic transitions.

Percentage of Sunny Days in September in Toxtla

The chart illustrates the percentage of sunny days in Toxtla 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 Toxtla experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec38%61%58%42%33%10%13%18%13%27%28%60%
Data source: Toxtla September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Toxtla in September

As September unfolds in Toxtla, Mexico, daylight lingers for approximately 12 hours, marking the transition from the extended brightness of summer into the shorter days of autumn. This month, along with March and April, reflects a plateau in daylight, where residents experience a welcomed balance between light and dark. Following the peak of 13 hours in May through July, the gradual decline in daylight begins, hinting at the forthcoming changes in season. Notably, September serves as a bridge, where the warmth of lingering summer days still embraces the landscape, preparing for the milder, shorter days that October will bring.

Average Daylight Hours in Toxtla for September

The chart illustrates the variation in daylight duration in Toxtla throughout the year, with September highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec11h 4m11h 29m12h 2m12h 36m13h 4m13h 18m13h 10m12h 45m12h 13m11h 39m11h 10m10h 56m
Data source: Toxtla daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Toxtla

As September rolls into Toxtla, Mexico, the average wind speed dips to 1.4 m/s (3 mph), maintaining a gentle breeze that is characteristic of the transitional seasons. This slight decrease from the summer months reflects a gradual cooling trend, as the winds settle after the vibrant gusts of earlier months. Alongside August's 1.6 m/s, September's calmness paves the way for the coming autumn, where wind speeds remain modest through October and November. This subtle shift invites residents and visitors alike to enjoy the serene and tranquil ambiance, perfect for leisurely strolls and outdoor gatherings, as the region prepares for the seasonal changes ahead.

Average September Wind Speed in Toxtla

The chart displays monthly wind speed patterns in Toxtla, 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.
JanFebMarAprMayJunJulAugSepOctNovDec1.61.71.81.91.71.41.41.61.4 m/s1.61.51.6
Data source: Toxtla September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Toxtla Compares to Other Months

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

In comparing the weather of September and January, we observe notable differences in temperature and precipitation. September experiences a more moderate range, with minimum temperatures around 7°C (45°F) and averages peaking at 17°C (63°F), while January sees cooler minimums of 1°C (34°F) and an average of 11°C (53°F). Both months can reach a maximum of 25°C (78°F), but September is significantly wetter, with 337 mm (13.3 in) of precipitation spread over 27 days compared to January's 73 mm (2.9 in) over just 12 days. Humidity levels remain fairly similar, with September at 82% and January slightly higher at 84%. For detailed insights into January weather, you can refer to this link: Toxtla weather in January.

September and February present distinct weather contrasts. In September, temperatures range from a chilly 7°C (45°F) at night to a comfortable 25°C (78°F) during the day, with an average of 17°C (63°F). However, this month is characterized by frequent rain, experiencing 337 mm (13.3 in) of precipitation over 27 days and high humidity at 82%. In contrast, February offers cooler nights with a minimum temperature of 1°C (34°F) and can reach up to 29°C (84°F) during the warmest part of the day, averaging 13°C (56°F). The precipitation is significantly lower at 58 mm (2.3 in) over just 11 days, and humidity levels are slightly lower at 78%. For more insights, check out Toxtla weather in February.

In comparing the weather between September and March, September tends to be slightly warmer overall, with average temperatures reaching 17°C (63°F) and a maximum of 25°C (78°F), while March has a cooler average of 15°C (59°F) and can peak at 29°C (84°F). However, September is characterized by significantly higher precipitation, with 337 mm (13.3 in) spread over 27 days, in contrast to March’s much lower 88 mm (3.5 in) over just 14 days. The humidity levels are also higher in September at 82%, compared to March's 75%. For more detailed insights, you can check Toxtla weather in March.

Comparing the weather between September and April reveals notable differences. In September, temperatures range from a minimum of 7°C (45°F) to a maximum of 25°C (78°F), with an average of 17°C (63°F). This month is characterized by high humidity at 82%, and significant precipitation, totaling 337 mm (13.3 in) over 27 days. In contrast, April experiences slightly cooler conditions, with a minimum of 6°C (44°F) and a higher maximum temperature of 29°C (85°F), while maintaining a similar average of 17°C (62°F). April is also much drier, with only 101 mm (4.0 in) of precipitation across 20 days and lower humidity at 70%. For more detailed information, you can refer to Toxtla weather in April.

September and May present contrasting weather patterns, with September being notably cooler and wetter. In September, temperatures range from a minimum of 7°C (45°F) to a maximum of 25°C (78°F), averaging around 17°C (63°F), while May boasts slightly warmer averages, with temperatures ranging from 8°C (46°F) to 29°C (85°F) and an average of 18°C (64°F). Additionally, September experiences significantly higher precipitation, totaling 337 mm (13.3 in) over 27 days, compared to May's 150 mm (5.9 in) across 21 days. The humidity is also higher in September at 82%, whereas May sees a more comfortable 77%. For further details, you can check Toxtla weather in May.

September and June both showcase mild average temperatures, but September typically features cooler minimum temperatures, averaging 7°C (45°F) compared to June's 9°C (49°F). While the average high in June reaches 28°C (82°F), September's max temperature is slightly lower at 25°C (78°F). Rainfall also differs significantly: September experiences higher precipitation at 337 mm (13.3 in) over 27 days, while June sees 264 mm (10.4 in) across 25 days. Additionally, humidity levels in September are elevated at 82%, compared to 76% in June, contributing to a more humid feel during the former month. For a detailed look at June weather, refer to Toxtla weather in June.

In comparing the weather between September and July, we find that both months share similar average temperatures, typically around 17°C (63°F). However, September tends to be cooler at night with minimum temperatures dropping to 7°C (45°F), while July’s minimum is slightly warmer at 10°C (50°F). Precipitation levels highlight a significant contrast; September receives a substantial 337 mm (13.3 in) over 27 days, compared to July's 225 mm (8.8 in) across 29 days, indicating that September is not only wetter but also more humid, boasting an average humidity of 82% compared to July’s 68%. For more details on July weather, you can explore Toxtla weather in July.

In comparing the weather between September and August, both months maintain a similar average temperature of 17°C (63°F) and feel quite comfortable. However, September experiences slightly cooler minimum temperatures, averaging 7°C (45°F), compared to August's 8°C (48°F). Precipitation is notably higher in September, with 337 mm (13.3 in) falling over 27 days, compared to August's 309 mm (12.2 in) over 29 days. Additionally, September boasts a higher humidity level at 82%, compared to 70% in August, making it feel more humid and damp. For more details on August weather specifics, you can check Toxtla weather in August.

In September, the weather is characterized by slightly warmer temperatures, with average highs reaching 25°C (78°F) and a notable humidity of 82%. However, it also experiences considerable rainfall, totaling 337 mm (13.3 in) over 27 days. In contrast, October sees a small dip in average temperature, with min, avg, and max temperatures of 6°C (42°F), 16°C (61°F), and 26°C (80°F), respectively. Although it remains humid at 91%, October has less precipitation at 260 mm (10.2 in) over 22 days. For more details on October weather, you can visit Toxtla weather in October.

September and November exhibit distinct weather patterns that reflect the transition from late summer to autumn. In September, temperatures range from a minimum of 7°C (45°F) to a maximum of 25°C (78°F), with an average temperature of 17°C (63°F). This month is characterized by high precipitation, totaling 337 mm (13.3 in) over 27 days, combined with a humidity level of 82%, making it feel quite damp.

In contrast, November experiences cooler temperatures, with a minimum of 0°C (33°F) and a slightly higher maximum of 24°C (76°F), averaging 13°C (56°F). The precipitation significantly decreases to 104 mm (4.1 in) over just 13 days, while humidity rises to 89%, contributing to a crisper feel in the air. For more details on November weather, you can check this link: Toxtla weather in November.

In September, the weather is quite mild, with average temperatures ranging from a minimum of 7°C (45°F) to a maximum of 25°C (78°F). However, this month typically experiences heavy rainfall, totaling 337 mm (13.3 in) over 27 days, contributing to a high humidity level of 82%.

In contrast, December brings cooler temperatures, with averages ranging from a minimum of -2°C (29°F) to a maximum of 24°C (76°F). Precipitation significantly decreases to just 37 mm (1.4 in) over 8 days, while humidity remains relatively high at 88%. For those interested in exploring conditions during this month, more details can be found in Toxtla weather in December.

Compare Toxtla's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Toxtla

As September unfolds in Toxtla, it marks a distinct shift in the weather pattern compared to the drier months that precede it. With temperatures averaging a mild 17°C (63°F), days remain comfortably warm but are often accompanied by heavy rainfall, culminating in an impressive 337 mm (13.3 in) of precipitation over 27 days. The high humidity level of 82% adds a muggy feel to the atmosphere, making it the wettest month of the year. This combination of cooler temperatures and persistent rain not only revitalizes the landscape but also sets September apart, offering a unique experience for both residents and visitors. For a deeper understanding of the climate patterns, explore more details at Toxtla Climate.