September Weather in Campeche, Mexico

Last updated: April 22, 2025

In Campeche, Mexico, the weather in September presents a warm and humid environment, with maximum temperatures reaching up to 36°C (96°F) and an average of 28°C (83°F). The month experiences considerable precipitation, totaling 135 mm (5.3 in), spread across approximately 21 days, leaving the air with a high humidity level of 80%. Visitors should be prepared for frequent showers amidst the tropical warmth, making it essential to embrace the charming, albeit damp, atmosphere of this coastal city.

September Temperature in Campeche

In September, Campeche, Mexico, experiences warm tropical weather, with temperatures holding relatively steady. The minimum temperature sits at a comfortable 23°C (74°F), ensuring pleasant evenings, while the average hovers around 28°C (83°F), making it an ideal time for outdoor activities. During the day, temperatures can peak at 36°C (96°F), bringing the heat typical of late summer. This month marks the transition into autumn, yet the warmth remains consistent, aligning closely with the trends from August and preceding months. As September progresses, visitors can expect balmy days and mild nights, perfect for exploring this charming coastal city.

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

The chart illustrates September temperature patterns in Campeche, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec757880848583848383817876
Data source: Temperature data for Campeche 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 Campeche

September marks a significant peak in precipitation for Campeche, Mexico, with an impressive 135 mm (5.3 in) of rainfall over 21 days. This month continues the upward trend established in the preceding months, particularly following the heavy downpours of June and August. As the rainy season progresses, September often brings a mix of intense showers and more frequent rain events, preparing the region for the slightly less intense downpours that follow in October. Interestingly, while rainfall is plentiful, the days of precipitation suggest a persistent wet pattern, setting the stage for lush landscapes and rejuvenated ecosystems. This seasonal shift underscores the dynamic nature of Campeche's climate, where each month contributes uniquely to the region's overall weather pattern.

September Precipitation Trends in Campeche

The chart displays monthly precipitation patterns in Campeche, 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.
JanFebMarAprMayJunJulAugSepOctNovDec18641434205871261351404021
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Campeche

In September, Campeche, Mexico, experiences a notable uptick in humidity, reaching 80%, marking a transition to the wetter fall season. Following a summer characterized by fluctuating humidity levels from 59% in May to 76% in August, September's conditions reflect the region's return to more humid weather patterns. This increase continues into October and November, where humidity peaks at 82% and 83%, respectively. Overall, the trend showcases a gradual rise in humidity from the dry months of early spring, culminating in the lush, damp atmosphere of late summer and early fall. As the year progresses, residents and visitors alike can anticipate a significant and persistent elevation in moisture levels, shaping the region's climate and vibrant ecosystem.

September Average Humidity in Campeche

This chart illustrates the average monthly humidity levels in Campeche, 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.
JanFebMarAprMayJunJulAugSepOctNovDec79%73%64%61%60%59%64%76%80%82%83%84%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Campeche

As September rolls into Campeche, Mexico, the UV Index remains notably high at 12, categorizing the exposure as extreme. This slight dip from August's peak of 13 still calls for caution, as the burn time is just 10 minutes. Throughout the year, the trend shows a consistent pattern of elevated UV levels, particularly from March to August, where the index reaches its maximum. Even as the summer months fade, the intensity of September's sun reminds us of the importance of sun safety. With adequate protection advised for the skin, residents and visitors alike should be proactive. For more detailed information, check out the Campeche UV Index.

Maximum UV Index Levels in Campeche for September

The chart shows the monthly maximum UV Index (UVI) for Campeche 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.
JanFebMarAprMayJunJulAugSepOctNovDec810131313131313121198
Data source: Campeche 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 Campeche

In September, Campeche, Mexico, welcomes a delightful 307 hours of sunshine, continuing a vibrant trend established during the summer months. Following the peak of 337 hours in May and a slight dip in June, the sunshine hours maintain a strong presence throughout September, reflecting the region's consistent warmth as summer transitions into fall. As the days start to shorten, sunlight remains abundant, offering a charming blend of warmth and comfort that characterizes this coastal gem. This slight decrease from the previous month still positions September as a remarkable time to embrace the sunny shores and rich cultural tapestry of Campeche.

Monthly Sunshine Duration in Campeche: September Highlighted

The September sunshine duration represents the total number of hours Campeche 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.
JanFebMarAprMayJunJulAugSepOctNovDec237h277h323h318h337h294h336h327h307h301h300h298h
Data source: Campeche September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Campeche During September

In Campeche, Mexico, September marks a notable shift in weather patterns, where the chance of sunny days drops to just 32%. This decline is significant, especially following the sunnier months of May through August, which see chances hovering between 49% and 53%. The transition into September indicates an onset of the rainy season, diminishing the likelihood of clear skies. As we look ahead, the sunny probabilities begin to rise again in October, reminding us that while September may bring cloudier days, the vibrant sun is never far behind in Campeche’s tropical embrace.

Percentage of Sunny Days in September in Campeche

The chart illustrates the percentage of sunny days in Campeche 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 Campeche experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec49%72%83%71%50%25%45%53%32%45%69%72%
Data source: Campeche September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Campeche in September

As September unfolds in Campeche, Mexico, daylight lingers for approximately 12 hours, mirroring the slightly shorter days of August and hinting at the impending return to 11 hours in October. This transition marks the end of the peak daylight period witnessed during the vibrant summer months of May through July, where sunlight stretched luxuriously for 13 hours. With days gradually shortening, September offers a harmonious blend of sunlight, creating an inviting atmosphere perfect for enjoying the region’s rich culture and natural beauty under gradually mellowing skies. As autumn approaches, the rhythm of daylight contributes to the serene charm of Campeche, making each sunset a picturesque farewell to the day's brightness.

Average Daylight Hours in Campeche for September

The chart illustrates the variation in daylight duration in Campeche 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 17m13h 10m12h 45m12h 13m11h 39m11h 10m10h 56m
Data source: Campeche daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Campeche

As September rolls into Campeche, the gentle breeze begins to soften, with average wind speeds dropping to 2.9 m/s (7 mph). This marks a notable decline compared to the summer months, where wind prevailed at 3.2 m/s in July and 3.1 m/s in August. Following a peak in March at 4.2 m/s (9 mph), the winds gradually decreased, creating a more tranquil atmosphere as the region transitions into autumn. The consistent decline through to October, where winds dip further to 2.7 m/s (6 mph), helps set the stage for the calm and enchanting evenings that characterize this charming coastal town. As the season shifts, visitors can expect a more serene environment, perfect for enjoying the vibrant scenery and rich culture of Campeche.

Average September Wind Speed in Campeche

The chart displays monthly wind speed patterns in Campeche, 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.
JanFebMarAprMayJunJulAugSepOctNovDec3.43.74.24.03.73.53.23.12.9 m/s2.73.13.3
Data source: Campeche September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Campeche Compares to Other Months

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

September and January present contrasting weather patterns. In September, temperatures are notably warmer, ranging from a minimum of 23°C (74°F) to a maximum of 36°C (96°F) with an average of 28°C (83°F). This month also experiences significant rainfall, totaling 135 mm (5.3 in) over 21 days, accompanied by high humidity levels of 80%. Conversely, January features cooler temperatures, with a minimum of 14°C (58°F), an average of 24°C (75°F), and a maximum of 35°C (95°F). Rainfall is minimal in January, with only 18 mm (0.7 in) recorded over just 3 days and humidity slightly lower at 78%. For more detailed insights on January weather, you can check Campeche weather in January.

September and February present contrasting weather patterns. In September, temperatures range from a minimum of 23°C (74°F) to a maximum of 36°C (96°F), with an average of 28°C (83°F). This month is characterized by high humidity at 80% and significant rainfall, experiencing an average of 135 mm (5.3 in) over 21 days. In stark contrast, February offers milder conditions with a minimum of 13°C (55°F) and an average temperature of 26°C (78°F), peaking similarly at 36°C (97°F). Precipitation is minimal during this month, amounting to only 6 mm (0.2 in) over just one day, and the humidity drops to 73%. For more detailed information, you can check Campeche weather in February.

In comparing the weather of September and March, significant differences emerge. September experiences a warmer climate, with average temperatures around 28°C (83°F) and maximums reaching up to 36°C (96°F). However, it is also marked by high humidity at 80% and considerable precipitation, totaling 135 mm (5.3 in) over 21 days. Conversely, March presents a cooler atmosphere, with minimum temperatures of 15°C (60°F) and a more comfortable average of 27°C (81°F). Rain is scarce, with only 4 mm (0.2 in) of precipitation falling over just a single day, and humidity levels drop to 64%. For more detailed information, you can explore Campeche weather in March.

When comparing the weather in September and April, notable differences emerge. September experiences warmer temperatures with a minimum of 23°C (74°F) and an average high of 36°C (96°F), while April boasts slightly cooler mornings at 18°C (64°F) but can reach a scorching maximum of 40°C (104°F). Precipitation is another stark contrast; September has 135 mm (5.3 in) of rain spread over 21 days, making it a much wetter month, whereas April sees only 14 mm (0.6 in) over just 4 days, indicating a much drier climate. Additionally, humidity levels are higher in September at 80% compared to April's 61%, contributing to a more oppressive feel during the former month. For more detailed insights, check out Campeche weather in April.

In comparing the weather of September and May, it’s evident that May tends to be hotter, with average temperatures reaching 30°C (85°F) and a maximum of 40°C (104°F), while September has an average of 28°C (83°F) and peaks at 36°C (96°F). However, September experiences significantly higher precipitation, totaling 135 mm (5.3 in) distributed over 21 days, compared to May's milder 34 mm (1.3 in) over just 8 days. Additionally, September is much more humid, with levels at 80%, while May enjoys a more comfortable humidity of 59%. For more detailed insights, check out Campeche weather in May.

In comparing the weather of September and June, both months experience warm temperatures, but June tends to be slightly hotter on average, with a maximum temperature reaching up to 38°C (100°F), compared to September's maximum of 36°C (96°F). While both months start with a minimum temperature of 23°C (74°F), September averages at 28°C (83°F), just a degree cooler than June's 29°C (84°F). Precipitation is notably higher in June, with 205 mm (8.1 in) expected over 17 days, compared to September's 135 mm (5.3 in) spread across 21 days. Furthermore, September has a higher humidity level of 80% compared to June's 59%, making it feel more oppressive despite the slightly lower temperatures. For a detailed look at June weather, you can visit Campeche weather in June.

In comparing the weather of September and July, we notice that both months have similar minimum temperatures, with July averaging 23°C (74°F) and September also starting at 23°C (74°F). However, September typically experiences a slightly higher average temperature of 28°C (83°F) compared to July's 29°C (84°F), although both months have maximum temperatures reaching up to 36°C (96°F in September and 97°F in July). One notable difference is the precipitation: September receives significantly more rainfall at 135 mm (5.3 in) over 21 days, while July has just 87 mm (3.4 in) over 16 days. Additionally, September's humidity is notably higher at 80%, compared to July's 64%. This makes September feel more humid and potentially uncomfortable despite the similar temperature range. For detailed insights about July weather, you can refer to Campeche weather in July.

In comparing the weather conditions of September and August, we see that both months maintain similar temperature ranges, with September averaging 28°C (83°F) and August slightly warmer at 28°C (84°F). The maximum temperatures reach 36°C (96°F) in September and 36°C (97°F) in August, indicating a negligible difference. However, September experiences more precipitation, totaling 135 mm (5.3 in) across 21 days compared to August's 126 mm (5.0 in) over 19 days. Additionally, September has a higher humidity level at 80% compared to August's 76%. For more details on August conditions, check Campeche weather in August.

September and October weather in Campeche show some notable differences, as well as similarities. In September, temperatures range from a minimum of 23°C (74°F) to a maximum of 36°C (96°F), with an average of 28°C (83°F). The month experiences significant rainfall, totaling 135 mm (5.3 in) across 21 days, and humidity levels are around 80%. In contrast, October sees slightly cooler temperatures, with a minimum of 18°C (65°F), averaging 27°C (82°F), and a maximum of 35°C (95°F). Precipitation increases slightly to 140 mm (5.5 in) over 19 days, while humidity rises slightly to 82%. For more detailed information, check out Campeche weather in October.

September and November exhibit distinctly different weather patterns. In September, temperatures are warmer, with a minimum of 23°C (74°F) and an average of 28°C (83°F), peaking at a sweltering 36°C (96°F). The month tends to be quite rainy, receiving 135 mm (5.3 in) of precipitation over 21 days, while humidity remains high at 80%. In contrast, November offers a cooler climate with minimum temperatures dropping to 16°C (61°F) and an average of 25°C (78°F), with a maximum of 34°C (93°F). There is significantly less rainfall, totaling only 40 mm (1.6 in) across 9 days, accompanied by a slight increase in humidity to 83%. For more specific details about November's climate, you can refer to Campeche weather in November.

September and December present contrasting weather patterns. In September, temperatures are significantly warmer, with minimums around 23°C (74°F), averages at 28°C (83°F), and maximums reaching 36°C (96°F). The month is marked by high humidity levels at 80% and considerable rainfall, receiving approximately 135 mm (5.3 in) over 21 days. In contrast, December offers a cooler climate, with minimum temperatures dropping to 13°C (56°F) and average highs around 24°C (76°F), peaking at 34°C (94°F). Rainfall during this month is considerably less, totaling only 21 mm (0.8 in) across just 4 days, while humidity remains relatively high at 84%. For a more detailed look at December's weather, visit Campeche weather in December.

Compare Campeche's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Campeche

September in Campeche presents a unique weather experience, contrasting with the drier months of the year. With warm temperatures averaging around 28°C (83°F) and a maximum that can reach 36°C (96°F), the heat is palpable. However, this warmth is accompanied by a significant increase in humidity, often around 80%, and a noticeable spike in rainfall, with precipitation occurring on 21 days throughout the month. This combination can make September feel particularly sticky and soggy, setting it apart from the more arid conditions typical of other times in the year. For a deeper understanding of the region's climate variations, explore Campeche Climate.