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September Weather in Agua Fria, Mexico

Last updated: August 27, 2025

In September, the average temperature in Agua Fria, Mexico hovers around 28°C (83°F). Expect minimums of 22°C (73°F) and maximums peaking at 38°C (100°F). With an average humidity of 77%, you'll feel the warmth as you navigate through 220 mm (8.7 in) of precipitation over 23 days.

September Temperature in Agua Fria

In September in Agua Fria, the average temperature is 28°C (83°F), with maximums reaching up to 38°C (100°F) and minimums dropping as low as 22°C (73°F). It's a great time to visit for those who enjoy warm weather and 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 28°C (83°F), with highs reaching up to 38°C (100°F) and lows dropping to around 22°C (73°F).
JanFebMarAprMayJunJulAugSepOctNovDec747780858784848483817775
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 220 mm (8.7 in) over the course of 23 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 220 mm (8.7 inches) of precipitation spread over approximately 23 days.
JanFebMarAprMayJunJulAugSepOctNovDec713322451102858915222027014565
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 77%. With an average temperature of 28°C (83°F), this humidity feels like walking through a warm, damp blanket, making outdoor activities more challenging and requiring frequent hydration breaks for travelers.

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 77%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec84%73%59%53%54%55%61%71%77%78%82%86%
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.
JanFebMarAprMayJunJulAugSepOctNovDec911131413141313131298
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 Weather23°C (74°F)71 mm (2.8 inches)84%very high
February Weather25°C (78°F)33 mm (1.3 inches)73%extreme
March Weather27°C (81°F)22 mm (0.9 inches)59%extreme
April Weather29°C (85°F)45 mm (1.8 inches)52%extreme
May Weather30°C (87°F)110 mm (4.3 inches)53%extreme
June Weather29°C (84°F)285 mm (11.2 inches)55%extreme
July Weather29°C (85°F)89 mm (3.5 inches)61%extreme
August Weather29°C (84°F)152 mm (6.0 inches)71%extreme
September Weather28°C (83°F)220 mm (8.7 inches)77%extreme
October Weather27°C (81°F)270 mm (10.6 inches)78%extreme
November Weather25°C (77°F)145 mm (5.7 inches)82%very high
December Weather24°C (75°F)65 mm (2.6 inches)86%very high

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