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September Weather in Santa Rosa Treinta, Mexico

Last updated: August 27, 2025

In September, the average temperature in Santa Rosa Treinta, Mexico is a pleasant 23°C (74°F). Expect a minimum of 16°C (62°F), rising to a maximum of 31°C (89°F). However, be prepared for 215 mm (8.5 in) of precipitation spread over 25 days, resulting in an average humidity level of 82%.

September Temperature in Santa Rosa Treinta

In September in Santa Rosa Treinta, the average temperature is 23°C (74°F). The maximum can reach 31°C (89°F), and the minimum can be as low as 16°C (62°F). This pleasant weather makes it an ideal time for outdoor activities and exploration.

September Weather in Santa Rosa Treinta: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Santa Rosa Treinta, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Santa Rosa Treinta, September typically has an average temperature of 23°C (74°F), with highs reaching up to 31°C (89°F) and lows dropping to around 16°C (62°F).
JanFebMarAprMayJunJulAugSepOctNovDec697277798075757573737168
Data source: Temperature data for Santa Rosa Treinta 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 Santa Rosa Treinta

In Santa Rosa Treinta in September, the precipitation amount is 215 mm (8.5 in) spread over 25 days.

September Precipitation Trends in Santa Rosa Treinta

The chart displays monthly precipitation patterns in Santa Rosa Treinta, 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 Santa Rosa Treinta, September typically receives around 215 mm (8.5 inches) of precipitation spread over approximately 25 days.
JanFebMarAprMayJunJulAugSepOctNovDec2141366222132196216106212
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Santa Rosa Treinta

In Santa Rosa Treinta in September, humidity is 82%. With an average temperature of 23°C (74°F), this humidity feels like you are walking through a warm, damp blanket, making travel a bit uncomfortable and sticky as you navigate the air thick with moisture.

September Average Humidity in Santa Rosa Treinta

This chart illustrates the average monthly humidity levels in Santa Rosa Treinta, 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 Santa Rosa Treinta is approximately 82%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec84%78%75%71%77%76%68%70%82%91%89%88%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Santa Rosa Treinta

In Santa Rosa Treinta 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 Santa Rosa Treinta, you can check here.

Maximum UV Index Levels in Santa Rosa Treinta for September

The chart shows the monthly maximum UV Index (UVI) for Santa Rosa Treinta 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 Santa Rosa Treinta typically reaches 14, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec912131413141413141198
Data source: Santa Rosa Treinta 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 Santa Rosa Treinta Compares to Other Months

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

This table compares monthly weather conditions in Santa Rosa Treinta, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather20°C (69°F)2 mm (0.1 inches)84%very high
February Weather22°C (72°F)1 mm (0.0 inches)78%extreme
March Weather25°C (77°F)4 mm (0.2 inches)75%extreme
April Weather26°C (80°F)13 mm (0.5 inches)70%extreme
May Weather26°C (80°F)66 mm (2.6 inches)77%extreme
June Weather24°C (76°F)222 mm (8.7 inches)76%extreme
July Weather24°C (76°F)132 mm (5.2 inches)68%extreme
August Weather24°C (75°F)196 mm (7.7 inches)70%extreme
September Weather23°C (74°F)215 mm (8.5 inches)82%extreme
October Weather23°C (74°F)106 mm (4.2 inches)91%extreme
November Weather22°C (71°F)20 mm (0.8 inches)89%very high
December Weather20°C (69°F)2 mm (0.1 inches)88%very high

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