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September Weather in Las Catarinas, Mexico

Last updated: August 27, 2025

In September, the average temperature in Las Catarinas, Mexico hovers around 18°C (65°F). Expect a minimum of 9°C (49°F) and a comfortable maximum of 28°C (84°F). While you're enjoying the mild weather, be prepared for 119 mm (4.7 in) of precipitation spread over 15 days, coupled with a notable average humidity of 86%.

September Temperature in Las Catarinas

In September in Las Catarinas, the average temperature is 18°C (65°F). Maximum temperatures can reach 28°C (84°F), while minimums can drop to as low as 9°C (49°F). This pleasant climate makes Las Catarinas an ideal destination for travelers seeking comfortable weather and outdoor activities.

September Weather in Las Catarinas: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Las Catarinas, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Las Catarinas, September typically has an average temperature of 18°C (65°F), with highs reaching up to 28°C (84°F) and lows dropping to around 9°C (49°F).
JanFebMarAprMayJunJulAugSepOctNovDec545964687170686865635955
Data source: Temperature data for Las Catarinas 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 Las Catarinas

In Las Catarinas in September, the precipitation amount is 119 mm (4.7 in) over a span of 15 days.

September Precipitation Trends in Las Catarinas

The chart displays monthly precipitation patterns in Las Catarinas, 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 Las Catarinas, September typically receives around 119 mm (4.7 inches) of precipitation spread over approximately 15 days.
JanFebMarAprMayJunJulAugSepOctNovDec17957197712065119421612
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Las Catarinas

In Las Catarinas in September humidity is 86%. With an average temperature of 18°C (65°F), this humidity feels like you’re wrapped in a warm, heavy blanket, making outdoor activities feel quite muggy and sticky for traveling.

September Average Humidity in Las Catarinas

This chart illustrates the average monthly humidity levels in Las Catarinas, 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 Las Catarinas is approximately 86%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec71%64%49%47%55%77%82%83%86%83%80%83%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Las Catarinas

In Las Catarinas in September, the maximum UV index is 14, which corresponds to an extreme Exposure Category. The time to burn is just 10 minutes, so it's crucial to take precautions. For the detailed hourly UV index in Las Catarinas, you can check here.

Maximum UV Index Levels in Las Catarinas for September

The chart shows the monthly maximum UV Index (UVI) for Las Catarinas 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 Las Catarinas typically reaches 14, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec8111314151414141412108
Data source: Las Catarinas 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 Las Catarinas Compares to Other Months

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

This table compares monthly weather conditions in Las Catarinas, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather12°C (55°F)17 mm (0.7 inches)71%very high
February Weather15°C (59°F)9 mm (0.3 inches)64%extreme
March Weather18°C (65°F)5 mm (0.2 inches)49%extreme
April Weather20°C (68°F)7 mm (0.3 inches)47%extreme
May Weather22°C (72°F)19 mm (0.8 inches)55%extreme
June Weather21°C (71°F)77 mm (3.0 inches)77%extreme
July Weather20°C (68°F)120 mm (4.7 inches)82%extreme
August Weather20°C (69°F)65 mm (2.6 inches)83%extreme
September Weather18°C (65°F)119 mm (4.7 inches)86%extreme
October Weather17°C (64°F)42 mm (1.7 inches)83%extreme
November Weather15°C (59°F)15 mm (0.6 inches)80%very high
December Weather13°C (55°F)12 mm (0.5 inches)83%very high

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