September Weather in Carmen, Mexico

Last updated: April 22, 2025

Experience the vibrant climate of Carmen, Mexico in September, where temperatures soar to a maximum of 37°C (99°F) while maintaining an average of 26°C (78°F). As the warmth envelops the region, expect cooler evenings with temperatures dipping to a comfortable 15°C (60°F). This month sees 89 mm (3.5 in) of precipitation spread over 11 days, bringing a refreshing touch to the humidity-laden atmosphere, which averages around 72%. September in Carmen is a captivating blend of heat and occasional rain, perfect for exploring the natural beauty of this coastal paradise.

September Temperature in Carmen

In September, Carmen, Mexico, experiences a comfortable transition from the heat of summer, with temperatures that underscore the region's diverse climate. The minimum temperature settles at a mild 15°C (60°F), while the average temperature rises to a pleasant 26°C (78°F), peaking at a maximum of 37°C (99°F). This month marks a notable shift, as the evenings start to cool down slightly compared to the sweltering summer months, yet the days still retain warmth. With a combination of rising humidity and persistent warmth, September serves as a bridge to the more temperate months ahead, making it an inviting time for travelers seeking both sun and comfort.

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

The chart illustrates September temperature patterns in Carmen, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec576269747981828378726460
Data source: Temperature data for Carmen 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 Carmen

September stands out in Carmen, Mexico, as the month with the highest precipitation, recording an impressive 89 mm (3.5 in) of rainfall over 11 days. This significant spike contrasts sharply with the drier summer months, especially August, which only saw 19 mm (0.7 in) across just four days. The increase in rainfall signals a shift towards the wet season, providing much-needed moisture to the region after the preceding months of moderate precipitation. As the year progresses into October, the rainfall drops noticeably to 34 mm (1.3 in), indicating a transition back to drier conditions. This trend highlights September as a pivotal month for rainfall in Carmen, rejuvenating the landscape and replenishing water sources as the region moves into the cooler months.

September Precipitation Trends in Carmen

The chart displays monthly precipitation patterns in Carmen, 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.
JanFebMarAprMayJunJulAugSepOctNovDec251424446068751989342121
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Carmen

In Carmen, Mexico, September brings a noticeable increase in humidity, reaching 72%, just a touch below the summer highs. This marks a shift from the drier months of July and August, which saw humidity levels dip to 57% and 58%, respectively. As the region transitions into autumn, the humidity begins to rise again, setting the stage for a wetter atmosphere ahead. The subsequent months of October and November see humidity levels climb further, peaking at 81% in November, indicative of the region's shift towards a more humid climate as it approaches the end of the year. Overall, September serves as a bridge, blending the drier summer with the moister fall, enriching the air in preparation for the wetter months to come.

September Average Humidity in Carmen

This chart illustrates the average monthly humidity levels in Carmen, 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.
JanFebMarAprMayJunJulAugSepOctNovDec75%70%65%59%66%71%57%58%73%76%81%80%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Carmen

As September rolls into Carmen, Mexico, the UV Index remains notably high, reaching an impressive 11, classifying it within the extreme exposure category. With a burn time of just 10 minutes, caution is paramount for outdoor enthusiasts. This month's UV Index is a slight decrease from the peak of 12 observed from April through August, yet it still underscores the need for sun protection. This trend of elevated UV exposure spans the warmer months, making awareness and preparedness essential. For those looking to enjoy the sun safely, it's crucial to stay informed about the UV levels. Check out the details at Carmen UV Index for the most accurate updates.

Maximum UV Index Levels in Carmen for September

The chart shows the monthly maximum UV Index (UVI) for Carmen 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.
JanFebMarAprMayJunJulAugSepOctNovDec79101212121212111076
Data source: Carmen 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 Carmen

As summer transitions into autumn, September in Carmen, Mexico, offers a delightful mix of warmth and sunshine, averaging 279 hours of bright daylight. This month serves as a gentle retreat from the peak summer brilliance of August, which boasts a striking 344 hours of sunshine. Following a steady climb from January's modest 198 hours, daylight hours reached their zenith in the height of the summer months, showcasing a vibrant trend of increasing sunshine. Although September's totals mark a decrease from summer, they still reflect a substantial abundance of sunshine compared to the earlier months of the year, making it an ideal time for relaxation before the cooler autumn days approach.

Monthly Sunshine Duration in Carmen: September Highlighted

The September sunshine duration represents the total number of hours Carmen 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.
JanFebMarAprMayJunJulAugSepOctNovDec198h247h283h292h324h341h341h344h279h282h254h261h
Data source: Carmen September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Carmen During September

In Carmen, Mexico, September offers a promising 58% chance of sunny weather, continuing a trend of favorable clear skies as the summer months transition into fall. While the likelihood of sunshine dips slightly from the preceding months of August, which boasts a 59% chance, it remains relatively high compared to earlier in the year. The sunshine probabilities exhibit a general fluctuation as the year progresses, with January and October marking the peak sunshine months at 62% and 63% respectively. Travelers and locals alike can embrace September as a delightful time to enjoy warm days, with moderate cloud cover, making it an enticing option for outdoor adventures.

Percentage of Sunny Days in September in Carmen

The chart illustrates the percentage of sunny days in Carmen 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 Carmen experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec62%56%60%51%50%54%44%59%58%63%52%59%
Data source: Carmen September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Carmen in September

As September rolls in, Carmen, Mexico experiences a gentle transition in daylight duration, offering 12 hours of sunlight each day. This month mirrors the previous one, August, where daylight begins to taper off from the summer peak of 13 hours. Following the warmth of summer, September brings a sense of balance, with consistent daylight that hints at the approaching autumn. Observing the yearly trend, it’s clear that daylight extends from a modest 10 hours in January, gradually increasing as spring blooms and peaking in late spring and summer, before gradually receding back into shorter days as the year progresses. This ebb and flow of daylight creates a rhythmic pattern that highlights the captivating change of seasons in Carmen.

Average Daylight Hours in Carmen for September

The chart illustrates the variation in daylight duration in Carmen throughout the year, with September highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec10h 42m11h 16m12h 1m12h 46m13h 24m13h 43m13h 33m12h 59m12h 15m11h 30m10h 51m10h 32m
Data source: Carmen daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Carmen

As summer gracefully transitions to autumn in Carmen, Mexico, the winds begin to whisper a softer tune. In September, the average wind speed dips to 2.2 m/s (5 mph), making it one of the calmer months of the year. This pattern is part of a gentle decline that starts in July and continues into the cooler months, where wind speeds hover around the same tranquil levels of 2.1 to 2.2 m/s from October to December. Notably, May stands out as the peak of the year with brisk winds at 3.1 m/s (7 mph), creating a contrasting backdrop against the serene September breeze. Overall, this shift reflects a gradual descent into the quietude of fall, inviting residents and visitors alike to enjoy the soothing atmosphere that defines Carmen during this transitional period.

Average September Wind Speed in Carmen

The chart displays monthly wind speed patterns in Carmen, 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.
JanFebMarAprMayJunJulAugSepOctNovDec2.32.52.92.93.12.52.32.82.2 m/s2.12.22.1
Data source: Carmen September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Carmen Compares to Other Months

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

September and January present stark contrasts in weather conditions. In September, temperatures range from a minimum of 15°C (60°F) to a high of 37°C (99°F), with an average of 26°C (78°F), accompanied by substantial precipitation of 89 mm (3.5 in) over 11 days and humidity levels peaking at 72%. In contrast, January experiences much cooler temperatures, with a minimum of -2°C (29°F) and a maximum of 35°C (96°F), averaging around 14°C (58°F). The month sees significantly less precipitation, totaling only 25 mm (1.0 in) over just 5 days, while humidity remains relatively high at 75%. For more detailed insights, you can check out Carmen weather in January.

In September, the weather is notably warmer, with average temperatures around 26°C (78°F) and maximums reaching up to 37°C (99°F). The month also sees higher humidity at 72% and more rainfall, totaling 89 mm (3.5 in) over approximately 11 days. In contrast, February presents a much cooler climate, with minimum temperatures dropping to -5°C (24°F) and an average of 17°C (62°F). Precipitation is significantly lower at just 14 mm (0.6 in) across 4 days, and humidity is slightly reduced at 70%. For more detailed information about February weather conditions, you can visit Carmen weather in February.

In comparing the weather between September and March, significant differences emerge in temperature and precipitation patterns. September boasts warmer temperatures, with an average of 26°C (78°F) and highs reaching up to 37°C (99°F), while March presents a cooler average of 20°C (69°F), with a minimum temperature of 4°C (39°F). Precipitation also varies markedly, as September experiences around 89 mm (3.5 in) of rain over 11 days, compared to the much drier March, which sees just 24 mm (0.9 in) over 6 days. Additionally, humidity levels in September are higher at 72%, whereas March has a slightly lower humidity of 65%. For a more detailed look at the weather in March, you can visit Carmen weather in March.

When comparing the weather in September and April, there's a notable contrast in temperature and humidity. September boasts a warmer average temperature of 26°C (78°F) with maximum highs reaching up to 37°C (99°F), while April has a cooler average temperature of 23°C (74°F) and can spike to 40°C (104°F). Precipitation is more common in September, with 89 mm (3.5 in) falling over 11 days, compared to April's 44 mm (1.7 in) over 8 days. Additionally, September experiences higher humidity levels at 72%, whereas April's humidity stands at a more comfortable 59%. For a closer look at April weather specifics, check out Carmen weather in April.

In September, the weather exhibits a warm and humid climate with average temperatures around 26°C (78°F), peaking at a maximum of 37°C (99°F). The month brings about 89 mm (3.5 in) of precipitation over approximately 11 days, contributing to the higher humidity level of 72%. In contrast, May presents a similar average temperature of 26°C (79°F), but it can soar to a scorching 42°C (107°F) on the hottest days. While May has a lower total precipitation of 60 mm (2.4 in) spread across 13 days, it experiences a drier atmosphere with reduced humidity at 66%. For a detailed look at the weather in May, you can visit Carmen weather in May.

In June, temperatures are slightly warmer than in September, with minimums of 19°C (66°F) compared to 15°C (60°F) in September. The average temperatures are comparable, with June averaging 27°C (81°F) and September slightly higher at 26°C (78°F). However, June experiences higher maximum temperatures, reaching up to 40°C (104°F), while September peaks at 37°C (99°F). On the precipitation front, June has less rainfall, totaling 68 mm (2.7 in) over 10 days, while September sees more rain with 89 mm (3.5 in) over 11 days. Both months have similar humidity levels, around 71-72%. For more detailed weather information, you can check out Carmen weather in June.

When comparing the weather in September to that of July, September tends to be slightly cooler, with average temperatures ranging from a minimum of 15°C (60°F) to a maximum of 37°C (99°F), compared to July’s higher range of 20°C (68°F) to 38°C (101°F). Additionally, September experiences more precipitation, totaling 89 mm (3.5 in) over 11 days, versus July's 75 mm (2.9 in) spread over just 7 days. Moreover, September exhibits higher humidity levels at 72%, while July maintains a lower humidity of 57%. For further details, you can refer to Carmen weather in July.

In comparing the weather between August and September, it is clear that September tends to be slightly cooler, with average temperatures ranging from a minimum of 15°C (60°F) to a maximum of 37°C (99°F), compared to August’s warmer range of 20°C (69°F) to 38°C (100°F). Humidity is also higher in September at 72%, in contrast to August’s lower humidity level of 58%. Additionally, September experiences significantly more precipitation, totaling 89 mm (3.5 in) spread over 11 days, whereas August sees only 19 mm (0.7 in) over just 4 days. For more detailed insights into August weather, you can visit Carmen weather in August.

September and October showcase a notable transition in weather conditions. In September, temperatures range from a minimum of 15°C (60°F) to a maximum of 37°C (99°F), with an average temperature of 26°C (78°F). The month experiences considerable rainfall, with 89 mm (3.5 in) of precipitation over 11 days and a humidity level of 72%. Conversely, October brings cooler temperatures, starting at a minimum of 6°C (43°F) and peaking at 36°C (98°F), with an average temperature of 22°C (72°F). This month is significantly drier, receiving only 34 mm (1.3 in) of precipitation over 7 days while maintaining a slightly higher humidity level of 76%. For more details about the weather in October, you can visit Carmen weather in October.

September and November present a stark contrast in weather conditions. In September, temperatures soar with a minimum of 15°C (60°F) and an average peak of 26°C (78°F), reaching highs of 37°C (99°F). This month also experiences considerable rainfall, with 89 mm (3.5 in) of precipitation over 11 days, alongside a humidity level of 72%. In contrast, November brings much cooler temperatures, with a minimum dropping to 0°C (32°F), an average of 18°C (64°F), and maximums reaching 34°C (93°F). Rainfall significantly decreases to just 21 mm (0.8 in) over 5 days, and humidity levels rise to 81%. For more detailed insights, you can visit Carmen weather in November.

In September, the weather is warm, with average temperatures around 26°C (78°F) and maximums reaching up to 37°C (99°F). The month experiences higher humidity at 72% and significant precipitation of 89 mm (3.5 in) over 11 days, indicating a wetter climate. In contrast, December sees a considerable drop in temperatures, with averages around 16°C (61°F) and minimums dipping to 0°C (33°F). Rainfall is minimal at just 21 mm (0.8 in) over 3 days, despite a slightly higher humidity level of 80%. This shift highlights the transition from a humid, rainy season in September to a cooler and drier December. For more details, check out Carmen weather in December.

Compare Carmen's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Carmen

September in Carmen brings a notable shift in weather patterns compared to the drier summer months. With an average temperature hovering around 26°C (78°F), it offers a comfortable reprieve from the intense summer heat, which can soar up to 37°C (99°F). However, the month is marked by increased humidity and precipitation, with about 11 days of rain totaling 89 mm (3.5 in). This blend of warmth and moisture not only enhances the vibrant local scenery but also signals the transition into the autumn season. For a deeper dive into what to expect throughout the year, visit Carmen Climate.