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September Weather in San Marcos Guaquilpan, Mexico

Last updated: August 26, 2025

In San Marcos Guaquilpan, Mexico, the average temperature in September hovers around 15°C (59°F). Expect a minimum chill of 5°C (42°F) and a warm peak of 24°C (76°F). With an average precipitation of 249 mm (9.8 in) over 24 days, this month is both wet and vibrant. Plus, with an average humidity of 82%, you'll feel the richness of the atmosphere as you explore!

September Temperature in San Marcos Guaquilpan

In September in San Marcos Guaquilpan, the average temperature is 15°C (59°F). Maximum temperatures can reach 24°C (76°F), while the minimum can dip as low as 5°C (42°F). This mild climate makes San Marcos Guaquilpan an ideal destination for travelers seeking comfortable outdoor activities.

September Weather in San Marcos Guaquilpan: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in San Marcos Guaquilpan, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In San Marcos Guaquilpan, September typically has an average temperature of 15°C (59°F), with highs reaching up to 24°C (76°F) and lows dropping to around 5°C (42°F).
JanFebMarAprMayJunJulAugSepOctNovDec525659616261595959575553
Data source: Temperature data for San Marcos Guaquilpan 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 San Marcos Guaquilpan

In San Marcos Guaquilpan in September, the precipitation amount is 249 mm (9.8 in) spread over 24 days.

September Precipitation Trends in San Marcos Guaquilpan

The chart displays monthly precipitation patterns in San Marcos Guaquilpan, 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 San Marcos Guaquilpan, September typically receives around 249 mm (9.8 inches) of precipitation spread over approximately 24 days.
JanFebMarAprMayJunJulAugSepOctNovDec1112234367188217230249110294
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in San Marcos Guaquilpan

In San Marcos Guaquilpan in September, humidity is 82%. With an average temperature of 15°C (59°F), this humidity feels like a heavy blanket wrapping around you, making outdoor activities feel sticky and uncomfortable for travelers.

September Average Humidity in San Marcos Guaquilpan

This chart illustrates the average monthly humidity levels in San Marcos Guaquilpan, 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 San Marcos Guaquilpan 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 San Marcos Guaquilpan

In San Marcos Guaquilpan 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 San Marcos Guaquilpan, you can check here.

Maximum UV Index Levels in San Marcos Guaquilpan for September

The chart shows the monthly maximum UV Index (UVI) for San Marcos Guaquilpan 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 San Marcos Guaquilpan typically reaches 14, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec10121415151514141412108
Data source: San Marcos Guaquilpan 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 San Marcos Guaquilpan Compares to Other Months

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

This table compares monthly weather conditions in San Marcos Guaquilpan, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather11°C (52°F)11 mm (0.4 inches)84%very high
February Weather13°C (56°F)12 mm (0.5 inches)78%extreme
March Weather15°C (59°F)23 mm (0.9 inches)75%extreme
April Weather16°C (61°F)43 mm (1.7 inches)70%extreme
May Weather17°C (62°F)67 mm (2.6 inches)77%extreme
June Weather16°C (61°F)188 mm (7.4 inches)76%extreme
July Weather15°C (59°F)217 mm (8.5 inches)68%extreme
August Weather15°C (59°F)230 mm (9.1 inches)70%extreme
September Weather15°C (59°F)249 mm (9.8 inches)82%extreme
October Weather14°C (58°F)110 mm (4.3 inches)91%extreme
November Weather13°C (55°F)29 mm (1.2 inches)89%very high
December Weather12°C (53°F)4 mm (0.2 inches)88%very high

Compare San Marcos Guaquilpan's Climate with Cities Worldwide