September Weather in Crucero San Luis, Mexico

Last updated: August 27, 2025

In Crucero San Luis, Mexico, the average temperature in September reaches a warm 28°C (83°F), with a minimum of 22°C (71°F) and a peak of up to 38°C (100°F). Expect 108 mm (4.3 in) of precipitation over 17 days, accompanied by an average humidity of 80%, creating a tropical atmosphere perfect for exploring!

September Temperature in Crucero San Luis

In September in Crucero San Luis, the average temperature is 28°C (83°F). The maximum can reach 38°C (100°F) and the minimum can dip to as low as 22°C (71°F). Be prepared for warm weather and stay hydrated while exploring this vibrant destination!

September Weather in Crucero San Luis: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Crucero San Luis, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Crucero San Luis, September typically has an average temperature of 28°C (83°F), with highs reaching up to 38°C (100°F) and lows dropping to around 22°C (71°F).
JanFebMarAprMayJunJulAugSepOctNovDec757881858683848382817876
Data source: Temperature data for Crucero San Luis 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 Crucero San Luis

In Crucero San Luis in September, the total precipitation amount is 108 mm (4.3 in) over the course of 17 days.

September Precipitation Trends in Crucero San Luis

The chart displays monthly precipitation patterns in Crucero San Luis, 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. In Crucero San Luis, September typically receives around 108 mm (4.3 inches) of precipitation spread over approximately 17 days.
JanFebMarAprMayJunJulAugSepOctNovDec2375173414961991081033419
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Crucero San Luis

In Crucero San Luis in September, humidity is 80%. With an average temperature of 28°C (83°F), this humidity feels like a thick blanket enveloping you, making travel feel sluggish and sticky, as every movement generates a sheen of perspiration that clings to your skin.

September Average Humidity in Crucero San Luis

This chart illustrates the average monthly humidity levels in Crucero San Luis, with September’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In September, average humidity in Crucero San Luis is approximately 80%, offering insight into how humid the weather typically is during this month.
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 Crucero San Luis

In Crucero San Luis in September, the maximum UV index is 12, which corresponds to an extreme Exposure Category. The time to burn is just 10 minutes, underscoring the importance of sun protection. For detailed information, you can check the Hourly UV Index in Crucero San Luis.

Maximum UV Index Levels in Crucero San Luis for September

The chart shows the monthly maximum UV Index (UVI) for Crucero San Luis 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. In September, the maximum UV index in Crucero San Luis typically reaches 12, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec811131313131313121198
Data source: Crucero San Luis 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.

How September Weather in Crucero San Luis Compares to Other Months

Weather in Crucero San Luis varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Crucero San Luis, focusing on differences in temperature, rainfall, humidity, and UV levels.

This table compares monthly weather conditions in Crucero San Luis, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather24°C (75°F)23 mm (0.9 inches)78%very high
February Weather26°C (78°F)7 mm (0.3 inches)73%extreme
March Weather27°C (81°F)5 mm (0.2 inches)64%extreme
April Weather29°C (85°F)17 mm (0.7 inches)61%extreme
May Weather30°C (86°F)34 mm (1.3 inches)59%extreme
June Weather28°C (83°F)149 mm (5.9 inches)59%extreme
July Weather29°C (84°F)61 mm (2.4 inches)64%extreme
August Weather28°C (83°F)99 mm (3.9 inches)76%extreme
September Weather28°C (83°F)108 mm (4.3 inches)80%extreme
October Weather27°C (81°F)103 mm (4.0 inches)82%extreme
November Weather25°C (78°F)34 mm (1.3 inches)83%very high
December Weather24°C (76°F)19 mm (0.8 inches)84%very high

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