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September Weather in San Isidro Cuatepec, Mexico

Last updated: August 27, 2025

In September, the average temperature in San Isidro Cuatepec, Mexico hovers around 15°C (59°F). Daytime highs can reach up to 24°C (75°F), while nights can dip to a cool 6°C (42°F). Expect significant precipitation, totaling 321 mm (12.6 in) across 25 days, coupled with an average humidity level of 82%. Perfect for those who enjoy a lush and vibrant atmosphere!

September Temperature in San Isidro Cuatepec

In September in San Isidro Cuatepec, the average temperature is 15°C (59°F). Maximum can reach 24°C (75°F), and minimum can be as low as 6°C (42°F). This pleasant climate makes San Isidro Cuatepec an ideal destination for travelers seeking mild weather and outdoor activities.

September Weather in San Isidro Cuatepec: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in San Isidro Cuatepec, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In San Isidro Cuatepec, September typically has an average temperature of 15°C (59°F), with highs reaching up to 24°C (75°F) and lows dropping to around 6°C (42°F).
JanFebMarAprMayJunJulAugSepOctNovDec535660626462595959585553
Data source: Temperature data for San Isidro Cuatepec 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 Isidro Cuatepec

In San Isidro Cuatepec in September, the precipitation amount is 321 mm (12.6 in) during a span of 25 days.

September Precipitation Trends in San Isidro Cuatepec

The chart displays monthly precipitation patterns in San Isidro Cuatepec, 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 Isidro Cuatepec, September typically receives around 321 mm (12.6 inches) of precipitation spread over approximately 25 days.
JanFebMarAprMayJunJulAugSepOctNovDec1814243453217382375321134389
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in San Isidro Cuatepec

In San Isidro Cuatepec 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 Isidro Cuatepec

This chart illustrates the average monthly humidity levels in San Isidro Cuatepec, 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 Isidro Cuatepec 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 Isidro Cuatepec

In San Isidro Cuatepec 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 Isidro Cuatepec, you can check here.

Maximum UV Index Levels in San Isidro Cuatepec for September

The chart shows the monthly maximum UV Index (UVI) for San Isidro Cuatepec 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 Isidro Cuatepec typically reaches 14, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec10121415141414141412108
Data source: San Isidro Cuatepec 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 Isidro Cuatepec Compares to Other Months

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

This table compares monthly weather conditions in San Isidro Cuatepec, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather12°C (53°F)18 mm (0.7 inches)84%very high
February Weather13°C (57°F)14 mm (0.5 inches)78%extreme
March Weather16°C (60°F)24 mm (0.9 inches)75%extreme
April Weather17°C (62°F)34 mm (1.3 inches)70%extreme
May Weather18°C (64°F)53 mm (2.1 inches)77%extreme
June Weather17°C (62°F)217 mm (8.5 inches)76%extreme
July Weather15°C (60°F)382 mm (15.0 inches)68%extreme
August Weather15°C (60°F)375 mm (14.7 inches)70%extreme
September Weather15°C (59°F)321 mm (12.6 inches)82%extreme
October Weather14°C (58°F)134 mm (5.3 inches)91%extreme
November Weather13°C (56°F)38 mm (1.5 inches)89%very high
December Weather12°C (54°F)9 mm (0.4 inches)88%very high

Compare San Isidro Cuatepec's Climate with Cities Worldwide