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September Weather in Calpulalpan, Mexico

Last updated: August 27, 2025

In September, the average temperature in Calpulalpan, Mexico is a mild 16°C (60°F), where temperatures can range from a cool 5°C (42°F) to a warm 26°C (80°F). Expect rainy days, as the area receives around 168 mm (6.6 in) of precipitation over 19 days, contributing to an average humidity level of 82%. Stay prepared for a mix of weather!

September Temperature in Calpulalpan

In September in Calpulalpan, the average temperature is 16°C (60°F), with maximums reaching 26°C (80°F) and minimums dipping to as low as 5°C (42°F). This pleasant climate makes Calpulalpan a great destination for outdoor activities and exploration.

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

The chart illustrates September temperature patterns in Calpulalpan, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Calpulalpan, September typically has an average temperature of 16°C (60°F), with highs reaching up to 26°C (80°F) and lows dropping to around 5°C (42°F).
JanFebMarAprMayJunJulAugSepOctNovDec535760626362606160595654
Data source: Temperature data for Calpulalpan 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 Calpulalpan

In Calpulalpan in September, the total precipitation amounts to 168 mm (6.6 in) over a span of 19 days.

September Precipitation Trends in Calpulalpan

The chart displays monthly precipitation patterns in Calpulalpan, 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 Calpulalpan, September typically receives around 168 mm (6.6 inches) of precipitation spread over approximately 19 days.
JanFebMarAprMayJunJulAugSepOctNovDec161329457315911813516974277
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Calpulalpan

In Calpulalpan in September humidity is 82%. With an average temperature of 16°C (60°F), this humidity feels like walking through a warm, thick blanket that clings to your skin, making every step feel heavier and travel more exhausting.

September Average Humidity in Calpulalpan

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

In Calpulalpan 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 Calpulalpan, you can check here.

Maximum UV Index Levels in Calpulalpan for September

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

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

This table compares monthly weather conditions in Calpulalpan, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather12°C (54°F)16 mm (0.6 inches)84%very high
February Weather14°C (57°F)13 mm (0.5 inches)78%extreme
March Weather16°C (61°F)29 mm (1.1 inches)75%extreme
April Weather17°C (62°F)45 mm (1.8 inches)70%extreme
May Weather17°C (63°F)73 mm (2.9 inches)77%extreme
June Weather16°C (62°F)159 mm (6.3 inches)76%extreme
July Weather16°C (61°F)118 mm (4.6 inches)68%extreme
August Weather16°C (61°F)135 mm (5.3 inches)70%extreme
September Weather16°C (60°F)168 mm (6.6 inches)82%extreme
October Weather15°C (59°F)74 mm (2.9 inches)91%extreme
November Weather13°C (56°F)27 mm (1.1 inches)89%very high
December Weather12°C (55°F)7 mm (0.3 inches)88%very high

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