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September Weather in Santa Ines, Mexico

Last updated: August 27, 2025

In September, the average temperature in Santa Ines, Mexico is a comfortable 17°C (62°F), with minimums dropping to 8°C (48°F) and maximums reaching up to 26°C (79°F). Expect a significant amount of rainfall, with 223 mm (8.8 in) over approximately 18 days. Don't forget to prepare for a high average humidity of 86%!

September Temperature in Santa Ines

In September in Santa Ines, the average temperature is 17°C (62°F). Maximums can reach 26°C (79°F), while minimums can drop to as low as 8°C (48°F). This mild climate makes it a great time for travelers to explore the attractions without the extremes of summer heat or winter chill.

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

The chart illustrates September temperature patterns in Santa Ines, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Santa Ines, September typically has an average temperature of 17°C (62°F), with highs reaching up to 26°C (79°F) and lows dropping to around 8°C (48°F).
JanFebMarAprMayJunJulAugSepOctNovDec525662656867646462605653
Data source: Temperature data for Santa Ines 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 Ines

In Santa Ines in September, the precipitation amount is 223 mm (8.8 in) over the course of 18 days.

September Precipitation Trends in Santa Ines

The chart displays monthly precipitation patterns in Santa Ines, 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 Ines, September typically receives around 223 mm (8.8 inches) of precipitation spread over approximately 18 days.
JanFebMarAprMayJunJulAugSepOctNovDec201281039178217132223681816
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Santa Ines

In Santa Ines in September, humidity is 86%. With an average temperature of 17°C (62°F), this humidity feels like a warm, heavy blanket enveloping you, making outdoor activities feel more strenuous and prompting frequent breaks in shaded areas for travelers exploring the sights.

September Average Humidity in Santa Ines

This chart illustrates the average monthly humidity levels in Santa Ines, 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 Ines 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 Santa Ines

In Santa Ines 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 Ines, you can check here.

Maximum UV Index Levels in Santa Ines for September

The chart shows the monthly maximum UV Index (UVI) for Santa Ines 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 Ines typically reaches 14, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec9111415151414141412108
Data source: Santa Ines 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 Ines Compares to Other Months

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

This table compares monthly weather conditions in Santa Ines, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather11°C (53°F)20 mm (0.8 inches)71%very high
February Weather13°C (56°F)12 mm (0.5 inches)64%extreme
March Weather17°C (62°F)8 mm (0.3 inches)49%extreme
April Weather18°C (65°F)10 mm (0.4 inches)47%extreme
May Weather20°C (68°F)39 mm (1.6 inches)55%extreme
June Weather19°C (67°F)178 mm (7.0 inches)77%extreme
July Weather18°C (64°F)217 mm (8.6 inches)82%extreme
August Weather18°C (65°F)132 mm (5.2 inches)83%extreme
September Weather17°C (62°F)223 mm (8.8 inches)86%extreme
October Weather16°C (61°F)68 mm (2.7 inches)83%extreme
November Weather13°C (57°F)18 mm (0.7 inches)80%very high
December Weather12°C (53°F)16 mm (0.6 inches)83%very high

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