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September Weather in Comaltepec, Mexico

Last updated: August 27, 2025

In Comaltepec, Mexico, the average temperature in September is 17°C (63°F), with a minimum of 8°C (46°F) and a maximum of 26°C (79°F). Expect moderate rainfall during this period, with an average precipitation of 363 mm (14.3 in) spread across 28 days. The average humidity sits at a comfortable 82%, ensuring a refreshing atmosphere throughout the month.

September Temperature in Comaltepec

In September in Comaltepec, the average temperature is 17°C (63°F). Maximums can reach 26°C (79°F), and minimums can be as low as 8°C (46°F). This mild climate makes Comaltepec an ideal destination for travelers seeking comfortable weather for outdoor activities.

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

The chart illustrates September temperature patterns in Comaltepec, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Comaltepec, September typically has an average temperature of 17°C (63°F), with highs reaching up to 26°C (79°F) and lows dropping to around 8°C (46°F).
JanFebMarAprMayJunJulAugSepOctNovDec545760636564636363615755
Data source: Temperature data for Comaltepec 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 Comaltepec

In Comaltepec in September, the total precipitation amount is 363 mm (14.3 in) over the course of 28 days.

September Precipitation Trends in Comaltepec

The chart displays monthly precipitation patterns in Comaltepec, 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 Comaltepec, September typically receives around 363 mm (14.3 inches) of precipitation spread over approximately 28 days.
JanFebMarAprMayJunJulAugSepOctNovDec70507911315526424332236323110140
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Comaltepec

In Comaltepec in September, humidity is 82%. With an average temperature of 17°C (63°F), this humidity feels like a warm blanket wrapping around you—comfortable yet heavy, making outdoor activities more taxing and requiring frequent breaks for hydration.

September Average Humidity in Comaltepec

This chart illustrates the average monthly humidity levels in Comaltepec, 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 Comaltepec 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 Comaltepec

In Comaltepec 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 Comaltepec, you can check here.

Maximum UV Index Levels in Comaltepec for September

The chart shows the monthly maximum UV Index (UVI) for Comaltepec 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 Comaltepec typically reaches 14, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec10121415151515141413109
Data source: Comaltepec 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 Comaltepec Compares to Other Months

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

This table compares monthly weather conditions in Comaltepec, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather12°C (54°F)70 mm (2.7 inches)84%very high
February Weather14°C (58°F)50 mm (2.0 inches)78%extreme
March Weather15°C (60°F)79 mm (3.1 inches)75%extreme
April Weather17°C (63°F)113 mm (4.5 inches)70%extreme
May Weather18°C (65°F)155 mm (6.1 inches)77%extreme
June Weather18°C (64°F)264 mm (10.4 inches)76%extreme
July Weather17°C (64°F)243 mm (9.6 inches)68%extreme
August Weather17°C (64°F)322 mm (12.7 inches)70%extreme
September Weather17°C (63°F)363 mm (14.3 inches)82%extreme
October Weather16°C (61°F)230 mm (9.1 inches)91%extreme
November Weather14°C (57°F)101 mm (4.0 inches)89%very high
December Weather13°C (55°F)40 mm (1.6 inches)88%very high

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