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September Weather in Agua Fria, Mexico

Last updated: August 27, 2025

In Agua Fria, Mexico, the average temperature in September is a pleasant 20°C (69°F). Temperatures can vary from a cool 11°C (51°F) at night to a warm 31°C (89°F) during the day. With precipitation totaling 190 mm (7.5 in) over 22 days, be prepared for some wet weather. Expect a high average humidity of 84%, making it feel even warmer. Enjoy your time!

September Temperature in Agua Fria

In September in Agua Fria, the average temperature is 20°C (69°F). Maximums can reach 31°C (89°F), while minimums can drop as low as 11°C (51°F). This pleasant climate makes Agua Fria an ideal destination for travelers seeking comfortable weather and a variety of outdoor activities.

September Weather in Agua Fria: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Agua Fria, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Agua Fria, September typically has an average temperature of 20°C (69°F), with highs reaching up to 31°C (89°F) and lows dropping to around 11°C (51°F).
JanFebMarAprMayJunJulAugSepOctNovDec576165707371707068666158
Data source: Temperature data for Agua Fria 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 Agua Fria

In Agua Fria in September, the total precipitation amount is 190 mm (7.5 in) spread over 22 days.

September Precipitation Trends in Agua Fria

The chart displays monthly precipitation patterns in Agua Fria, 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 Agua Fria, September typically receives around 190 mm (7.5 inches) of precipitation spread over approximately 22 days.
JanFebMarAprMayJunJulAugSepOctNovDec19242735701611241131901444615
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Agua Fria

In Agua Fria in September humidity is 84%. With an average temperature of 20°C (69°F), this humidity feels like walking through a warm, moist blanket, making travel feel heavy and slightly fatigued as the heat clings to your skin and leaves you yearning for a refreshing breeze.

September Average Humidity in Agua Fria

This chart illustrates the average monthly humidity levels in Agua Fria, 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 Agua Fria is approximately 84%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec89%86%83%80%82%79%72%74%84%92%91%91%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Agua Fria

In Agua Fria in September, the maximum UV index reaches 13, which corresponds to an extreme Exposure Category. With a time to burn of just 10 minutes, it's crucial to take protective measures. For detailed information, you can check the Hourly UV Index in Agua Fria.

Maximum UV Index Levels in Agua Fria for September

The chart shows the monthly maximum UV Index (UVI) for Agua Fria 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 Agua Fria typically reaches 13, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec811131414141413131297
Data source: Agua Fria 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 Agua Fria Compares to Other Months

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

This table compares monthly weather conditions in Agua Fria, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather14°C (57°F)19 mm (0.7 inches)88%very high
February Weather16°C (62°F)24 mm (0.9 inches)86%extreme
March Weather19°C (66°F)27 mm (1.1 inches)83%extreme
April Weather21°C (71°F)35 mm (1.4 inches)80%extreme
May Weather23°C (73°F)70 mm (2.8 inches)82%extreme
June Weather22°C (71°F)161 mm (6.3 inches)79%extreme
July Weather21°C (70°F)124 mm (4.9 inches)72%extreme
August Weather21°C (71°F)113 mm (4.5 inches)74%extreme
September Weather20°C (69°F)190 mm (7.5 inches)84%extreme
October Weather19°C (66°F)144 mm (5.7 inches)92%extreme
November Weather16°C (61°F)46 mm (1.8 inches)91%very high
December Weather14°C (58°F)14 mm (0.6 inches)91%high

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