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September Weather in Cumpas, Mexico

Last updated: August 26, 2025

In September, the average temperature in Cumpas, Mexico hovers around 25°C (78°F), making it a pleasant time to visit. However, you'll want to be prepared for temperature fluctuations, as it can dip to a minimum of 12°C (54°F) and soar up to a scorching 38°C (101°F). Expect 59 mm (2.3 in) of rainfall spread over 7 days, alongside an average humidity level of 82%, adding a touch of tropical flair to your experience!

September Temperature in Cumpas

In September in Cumpas, the average temperature is 25°C (78°F). Maximums can reach 38°C (101°F), while minimums can drop to as low as 12°C (54°F). This makes Cumpas an ideal destination for travelers seeking warm weather and diverse outdoor activities during this time.

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

The chart illustrates September temperature patterns in Cumpas, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Cumpas, September typically has an average temperature of 25°C (78°F), with highs reaching up to 38°C (101°F) and lows dropping to around 12°C (54°F).
JanFebMarAprMayJunJulAugSepOctNovDec535561697685818078716354
Data source: Temperature data for Cumpas 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 Cumpas

In Cumpas in September, the precipitation amount is 59 mm (2.3 in) over a span of 7 days.

September Precipitation Trends in Cumpas

The chart displays monthly precipitation patterns in Cumpas, 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 Cumpas, September typically receives around 59 mm (2.3 inches) of precipitation spread over approximately 7 days.
JanFebMarAprMayJunJulAugSepOctNovDec35283335121079359234139
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Cumpas

In Cumpas in September, humidity is 82%. With an average temperature of 25°C (78°F), this humidity feels like a warm, heavy blanket wrapping around you, making outdoor activities a bit more challenging and encouraging you to seek shade or a cool spot during your travels.

September Average Humidity in Cumpas

This chart illustrates the average monthly humidity levels in Cumpas, 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 Cumpas is approximately 82%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec78%69%63%50%39%36%60%78%82%76%80%85%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Cumpas

In Cumpas in September, the maximum UV index reaches 11, which corresponds to an extreme Exposure Category. With a time to burn of just 10 minutes, it's essential to take precautions. For more details, you can check the Hourly UV Index in Cumpas.

Maximum UV Index Levels in Cumpas for September

The chart shows the monthly maximum UV Index (UVI) for Cumpas 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 Cumpas typically reaches 11, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec5810121213121211965
Data source: Cumpas 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 Cumpas Compares to Other Months

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

This table compares monthly weather conditions in Cumpas, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather12°C (53°F)34 mm (1.4 inches)78%moderate
February Weather13°C (56°F)28 mm (1.1 inches)69%very high
March Weather16°C (61°F)33 mm (1.3 inches)63%very high
April Weather21°C (70°F)3 mm (0.1 inches)49%extreme
May Weather24°C (76°F)5 mm (0.2 inches)39%extreme
June Weather29°C (85°F)11 mm (0.5 inches)36%extreme
July Weather27°C (82°F)106 mm (4.2 inches)60%extreme
August Weather27°C (81°F)93 mm (3.6 inches)78%extreme
September Weather25°C (78°F)59 mm (2.3 inches)82%extreme
October Weather22°C (72°F)23 mm (0.9 inches)76%very high
November Weather17°C (63°F)41 mm (1.6 inches)80%high
December Weather12°C (54°F)39 mm (1.5 inches)85%moderate

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