September Weather in La Cruz, Mexico

Last updated: April 22, 2025

September in La Cruz, Mexico, brings a vibrant mix of temperatures and weather patterns that showcase the region's tropical allure. With a maximum temperature soaring to 40°C (104°F), the days can be quite hot, while the average settles at a comfortable 26°C (80°F), providing a pleasant respite. As the thermometer dips to a minimum of 15°C (58°F) at night, the evenings offer a cool sanctuary. This month also sees 107 mm (4.2 in) of rainfall over 11 days, contributing to a relatively high humidity level of 77%. Whether basking in the sun or enjoying cooler nights, September in La Cruz is a season of contrasts, perfect for those seeking both warmth and a touch of refreshing rain.

September Temperature in La Cruz

In September, La Cruz, Mexico, experiences a delightful transition as summer gradually gives way to autumn. With average temperatures hovering around 26°C (80°F), the month is marked by comfortable warmth, showcasing minimums of 15°C (58°F) and maximums reaching up to 40°C (104°F). This pattern highlights a slight drop from the intense heat of the preceding months, yet the warm conditions persist, making September an ideal time for outdoor activities. As the early fall months approach, visitors can enjoy the lingering warmth while experiencing the vibrant culture and natural beauty of this charming coastal town.

September Weather in La Cruz: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in La Cruz, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec566170768285858680736459
Data source: Temperature data for La Cruz 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 La Cruz

In September, La Cruz, Mexico, experiences a significant uptick in rainfall, receiving an impressive 107 mm (4.2 in) over the course of 11 days. This marks a peak in the region's precipitation patterns, following a relatively dry summer. Compared to previous months, where rainfall ranged from a modest 7 mm in February to 61 mm in July, September's deluge serves as a clear indicator of the transition into the wetter autumn season. The increase not only refreshes the landscapes but also supports the local flora and fauna, highlighting the vital role of this month in the region's climatic rhythm. As the year progresses toward October, expect a noticeable decrease in both rainfall and rainy days, returning to a more moderate precipitation pattern.

September Precipitation Trends in La Cruz

The chart displays monthly precipitation patterns in La Cruz, 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.
JanFebMarAprMayJunJulAugSepOctNovDec87141434306133107391517
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in La Cruz

In September, La Cruz, Mexico experiences a humidity level of 77%, reflecting a slight uptick from the drier summer months of July and August, which saw lows of 64% and 61% respectively. This shift marks a return to the higher humidity levels typical of the preceding months, as the rainy season begins to take hold. The patterns indicate a gradual rise in humidity throughout the year, peaking in the winter months of November and December, where it reaches a muggy 85% and 89%. Thus, September serves as a transition point, bridging the comfortable summer air with the more humid conditions that characterize the approaching change in season.

September Average Humidity in La Cruz

This chart illustrates the average monthly humidity levels in La Cruz, 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.
JanFebMarAprMayJunJulAugSepOctNovDec83%74%75%74%79%77%64%61%77%83%85%89%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in La Cruz

In September, La Cruz, Mexico, continues to experience extreme UV levels, with a UV Index of 12. This means residents and visitors should exercise caution, as the burn time is a mere 10 minutes without proper sun protection. Following the peak summer months, the UV Index remains notably high, emphasizing the need for sun safety measures as summer transitions into fall. With such intensity, outdoor enthusiasts are reminded to shield themselves effectively from harmful UV rays even as the weather begins to cool. For more detailed insights, visit La Cruz UV Index.

Maximum UV Index Levels in La Cruz for September

The chart shows the monthly maximum UV Index (UVI) for La Cruz 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.
JanFebMarAprMayJunJulAugSepOctNovDec69101212121212121076
Data source: La Cruz 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 La Cruz

September in La Cruz, Mexico, showcases a delightful transition as the summer sun begins to wane, delivering 282 hours of sunshine. This month stands as a gentle reminder of the peak summer months, with sunlight gradually tapering off from August's 344 hours. While September experiences less daylight than July's high of 350 hours, it still retains a warmth and brightness that entices visitors. As the year unfolds, you can see a clear trend of increasing sunshine from January’s modest 201 hours to the summer peak, followed by a gradual decline into the cooler autumn months. This inviting blend of sun and the approaching fall creates a perfect backdrop for leisurely days by the coast, ensuring that September remains a cherished time in La Cruz.

Monthly Sunshine Duration in La Cruz: September Highlighted

The September sunshine duration represents the total number of hours La Cruz 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.
JanFebMarAprMayJunJulAugSepOctNovDec201h249h281h299h328h342h350h344h282h269h248h258h
Data source: La Cruz September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in La Cruz During September

September in La Cruz, Mexico, boasts a remarkable 71% chance of sunny weather, tying it with January for the sunniest month of the year. As summer transitions to autumn, the likelihood of clear skies remains strong, showcasing a consistent trend of favorable weather after a relatively cloudy summer in July and August. This high probability of sunshine not only draws visitors to the picturesque coastal town but also sets the stage for ideal outdoor activities and exploration. Following September, the sunny disposition continues into October, albeit slightly at 68%. Overall, it’s a perfect time for those seeking warmth and vibrant sunshine before the seasonal shift.

Percentage of Sunny Days in September in La Cruz

The chart illustrates the percentage of sunny days in La Cruz 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 La Cruz experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec72%58%63%59%68%66%55%56%71%68%59%62%
Data source: La Cruz September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in La Cruz in September

In September, La Cruz, Mexico enjoys a delightful 12 hours of daylight, marking a transition as the vibrant summer months begin to wane. Following the peak of 13 hours seen from May to August, this gradual decrease reflects the shift towards autumn, where daylight starts to recede as the year progresses. Interestingly, September's daylight is on par with both March and April, indicating a balanced midpoint in the yearly cycle. As the days shorten, La Cruz invites residents and visitors alike to savor the lingering warmth of the sun as it casts longer shadows and enriches the vibrant local landscapes.

Average Daylight Hours in La Cruz for September

The chart illustrates the variation in daylight duration in La Cruz throughout the year, with September highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec10h 39m11h 14m12h 1m12h 48m13h 28m13h 47m13h 37m13h 1m12h 16m11h 28m10h 48m10h 27m
Data source: La Cruz daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in La Cruz

As September graces La Cruz, Mexico, the average wind speed hovers around 2.1 m/s (5 mph), marking a slight dip from the spring and summer months. After a peak in April and May at 2.5 m/s (6 mph), the winds begin to mellow, presenting a gentler breeze compared to the earlier part of the year. This transition reflects a gradual cooling trend leading into autumn, with wind speeds consistently remaining below 2.5 m/s from June onward. Despite the slight decrease, September's breezes still carry a refreshing quality, perfect for enjoying the picturesque coastal views. As the year winds down, the gradual shift in wind patterns hints at the serene and tranquil atmosphere that awaits in La Cruz during the fall months.

Average September Wind Speed in La Cruz

The chart displays monthly wind speed patterns in La Cruz, 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.
JanFebMarAprMayJunJulAugSepOctNovDec1.92.02.22.52.52.31.92.12.1 m/s1.91.71.8
Data source: La Cruz September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in La Cruz Compares to Other Months

The weather in La Cruz 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 La Cruz and find detailed weather information for every month.

September and January present stark contrasts in weather conditions. In September, temperatures range significantly from a mild 15°C (58°F) to an extreme high of 40°C (104°F), with an average of 26°C (80°F). This month also sees considerable rainfall, accumulating to 107 mm (4.2 in) over about 11 days, combined with a humidity level of 77%. In stark comparison, January experiences much cooler temperatures, with a minimum of -3°C (27°F), an average of 14°C (57°F), and a maximum of 33°C (91°F). Precipitation is minimal during this month, only 8 mm (0.3 in) over 2 days, and humidity is slightly higher at 83%. For more detailed information, you can check La Cruz weather in January.

September and February offer stark contrasts in weather. In September, temperatures range from a minimum of 15°C (58°F) to a maximum of 40°C (104°F), with an average temperature of 26°C (80°F). The month also sees significant rainfall, with 107 mm (4.2 inches) of precipitation over 11 days, and humidity levels hovering around 77%. In contrast, February experiences much cooler temperatures, with a minimum of -6°C (21°F), an average of 16°C (62°F), and a maximum of 35°C (95°F). Rainfall is minimal at just 7 mm (0.3 inches) across 2 days, and humidity slightly decreases to 74%. For a closer look at February's climate specifics, check out La Cruz weather in February.

In comparing the weather of September and March, we see distinct differences in temperature and precipitation. September is much warmer, featuring a minimum temperature of 15°C (58°F) and an average high of 26°C (80°F), with peaks reaching up to 40°C (104°F). It also experiences significant rainfall, with 107 mm (4.2 in) of precipitation over approximately 11 days, contributing to a high humidity level of 77%. In contrast, March is significantly cooler, with temperatures starting as low as 3°C (38°F) and averaging around 21°C (70°F), while the maximum temperature can reach 39°C (102°F). Precipitation is much lower in March, at only 14 mm (0.6 in) over just 3 days, and humidity is slightly lower at 75%. For a more detailed look at the weather patterns in March, you can visit La Cruz weather in March.

In comparing the weather of September and April, September tends to be warmer, with average temperatures reaching 26°C (80°F) compared to April's 24°C (76°F). However, April experiences cooler minimum temperatures, averaging around 8°C (47°F) versus September's 15°C (58°F). Notably, September sees significantly more rainfall, totaling 107 mm (4.2 in) over 11 days, while April has just 14 mm (0.6 in) over 4 days. Humidity levels are quite similar, hovering around 77% in September and 74% in April. For more detailed insights on April weather, you can visit La Cruz weather in April.

In comparing the weather of September and May, both months exhibit warm climates but differ in several key aspects. September has a minimum temperature of 15°C (58°F) and an average temperature of 26°C (80°F), reaching a maximum of 40°C (104°F). The month tends to be wetter, with 107 mm (4.2 in) of precipitation over 11 days and a humidity level of 77%. In contrast, May features slightly lower minimum temperatures at 14°C (58°F) and a higher average temperature of 28°C (83°F). It can reach maximum temperatures of 42°C (109°F), but it is notably drier, with only 34 mm (1.3 in) of precipitation across 8 days and a humidity level of 79%. For more detailed weather information, check out La Cruz weather in May.

September and June present distinct weather patterns, reflective of the transition between summer and the onset of autumn. September typically experiences a lower average temperature of 26°C (80°F) compared to June’s warmer average of 30°C (86°F). While both months share similar humidity levels at 77%, June showcases slightly higher maximum temperatures, peaking at 42°C (108°F) against September's maximum of 40°C (104°F). Additionally, September tends to be wetter, with 107 mm (4.2 in) of precipitation over 11 days, contrasting sharply with June's mere 30 mm (1.2 in) across 8 days. For a more detailed look, you can refer to La Cruz weather in June.

In comparison to July, September experiences slightly cooler temperatures, with average highs of 26°C (80°F) compared to July's 30°C (86°F). While July sees maximum temperatures reaching up to 42°C (107°F), September can still climb to a high of 40°C (104°F). Additionally, September tends to be wetter, with 107 mm (4.2 in) of precipitation spread over 11 days, while July has only 61 mm (2.4 in) of rain over 9 days. Humidity levels are also higher in September at 77%, compared to July's 64%, making the latter feel somewhat drier. For more detailed weather insights, you can visit La Cruz weather in July.

In comparing the weather between September and August, we see notable differences in temperature and precipitation patterns. September experiences a wider range of temperatures with a minimum of 15°C (58°F) and an average of 26°C (80°F), while August maintains higher temperatures, with a minimum of 21°C (71°F) and an average of 30°C (86°F). Both months reach a maximum of 40°C (104°F). However, September is significantly wetter, receiving 107 mm (4.2 in) of rain over 11 days compared to August's 33 mm (1.3 in) over just 5 days. Additionally, September has higher humidity levels at 77%, compared to August's 61%. For a closer look at August weather specifics, you can check La Cruz weather in August.

September and October present a notable transition in weather conditions. In September, temperatures range from a minimum of 15°C (58°F) to a sweltering maximum of 40°C (104°F), with an average of 26°C (80°F). This month also sees substantial rainfall, totaling 107 mm (4.2 in) over 11 days, contributing to a relatively high humidity of 77%.

In contrast, October experiences cooler temperatures, with a minimum of 4°C (40°F), an average of 23°C (73°F), and a maximum of 39°C (103°F). Precipitation decreases significantly to 39 mm (1.5 in) over just 5 days, and humidity rises slightly to 83%. These changes highlight a shift from the warmer, wetter conditions of September to a drier, cooler October. For more specific details about weather patterns in October, you can visit La Cruz weather in October.

September and November present a striking contrast in weather conditions. In September, temperatures can soar, with a minimum of 15°C (58°F) and an average high of 26°C (80°F), reaching extremes of up to 40°C (104°F). This month also experiences considerable precipitation, totaling 107 mm (4.2 in) over about 11 days, coupled with a humidity level of 77%. In contrast, November brings much cooler temperatures, with a minimum of 0°C (32°F) and an average of 18°C (64°F), peaking at 34°C (93°F). Rainfall significantly decreases to just 15 mm (0.6 in) across 3 days, while humidity rises slightly to 85%. For a closer look at what November holds, check out La Cruz weather in November.

The weather in September is significantly warmer than in December, with average temperatures reaching 26°C (80°F) compared to just 15°C (59°F) in December. While September can experience extremes, peaking at 40°C (104°F), December's maximum temperature reaches a milder 34°C (94°F). Precipitation also varies greatly, with September seeing about 107 mm (4.2 in) over 11 days, while December has a much drier profile, with only 17 mm (0.7 in) over just 3 days. Humidity levels are slightly higher in December at 89%, compared to September's 77%, creating a different feel for the end of the year. For more detailed information, check out La Cruz weather in December.

Compare La Cruz's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in La Cruz

As September unfolds in La Cruz, the weather showcases a striking transition from the scorching heat of summer. With maximum temperatures peaking at 40°C (104°F), it’s a period where the warmth begins to soften into an average of 26°C (80°F), making the air feel more comfortable. However, September is also distinct for its higher humidity (77%) and increased rainfall, accumulating about 107 mm (4.2 in) over 11 days, which helps to revitalize the landscape. This unique blend of warmth and wetness sets September apart, creating a refreshing end to the summer season. For a deeper dive into the seasonal dynamics of La Cruz, explore La Cruz Climate.