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September Weather in Guelaguechi, Mexico

Last updated: August 27, 2025

In September, the average temperature in Guelaguechi, Mexico is a warm 28°C (83°F). You'll experience pleasant warmth with minimum temperatures dipping to 25°C (77°F) and highs climbing to 34°C (93°F). However, be prepared for some rain, as 189 mm (7.4 in) of precipitation typically falls over 18 days. Don't forget to stay hydrated, as the average humidity levels linger around 77%!

September Temperature in Guelaguechi

In September in Guelaguechi, the average temperature is 28°C (83°F). Maximums can reach 34°C (93°F), and minimums can be as low as 25°C (77°F). This warm climate makes Guelaguechi an ideal destination for travelers seeking sunny weather and outdoor adventures.

September Weather in Guelaguechi: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Guelaguechi, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Guelaguechi, September typically has an average temperature of 28°C (83°F), with highs reaching up to 34°C (93°F) and lows dropping to around 25°C (77°F).
JanFebMarAprMayJunJulAugSepOctNovDec777980828382848382828078
Data source: Temperature data for Guelaguechi 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 Guelaguechi

In Guelaguechi in September, the total precipitation amount is 189 mm (7.4 in) spread over a period of 18 days.

September Precipitation Trends in Guelaguechi

The chart displays monthly precipitation patterns in Guelaguechi, 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 Guelaguechi, September typically receives around 189 mm (7.4 inches) of precipitation spread over approximately 18 days.
JanFebMarAprMayJunJulAugSepOctNovDec2416793307617918912245
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Guelaguechi

In Guelaguechi 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 Guelaguechi

This chart illustrates the average monthly humidity levels in Guelaguechi, 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 Guelaguechi is approximately 77%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec67%66%63%66%71%74%78%78%77%77%75%72%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Guelaguechi

In Guelaguechi 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 Guelaguechi.

Maximum UV Index Levels in Guelaguechi for September

The chart shows the monthly maximum UV Index (UVI) for Guelaguechi 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 Guelaguechi typically reaches 13, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec10121314131314131312108
Data source: Guelaguechi 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 Guelaguechi Compares to Other Months

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

This table compares monthly weather conditions in Guelaguechi, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather25°C (78°F)2 mm (0.1 inches)67%very high
February Weather26°C (79°F)4 mm (0.2 inches)66%extreme
March Weather27°C (81°F)1 mm (0.0 inches)63%extreme
April Weather28°C (82°F)6 mm (0.2 inches)66%extreme
May Weather29°C (84°F)79 mm (3.1 inches)71%extreme
June Weather28°C (83°F)330 mm (13.0 inches)73%extreme
July Weather29°C (85°F)76 mm (3.0 inches)78%extreme
August Weather29°C (84°F)179 mm (7.1 inches)78%extreme
September Weather28°C (83°F)189 mm (7.4 inches)77%extreme
October Weather28°C (82°F)122 mm (4.8 inches)77%extreme
November Weather27°C (80°F)4 mm (0.2 inches)75%very high
December Weather26°C (78°F)5 mm (0.2 inches)72%very high

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