September Weather in Miahuatlan, Mexico

Last updated: August 27, 2025

In Miahuatlan, Mexico, the average temperature in September hovers around 24°C (75°F), offering a pleasant climate for activities. Expect a minimum of 17°C (62°F) and a maximum of 33°C (91°F), providing warm days with cooler nights. However, be prepared for frequent showers, as precipitation reaches 268 mm (10.6 in) over an average of 25 days, resulting in an average humidity of 86%.

September Temperature in Miahuatlan

In September in Miahuatlan, the average temperature is 24°C (75°F). Maximum temperatures can reach 33°C (91°F), while minimums can drop to as low as 17°C (62°F). This pleasant climate makes Miahuatlan an attractive destination for travelers looking to enjoy mild weather and outdoor activities.

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

The chart illustrates September temperature patterns in Miahuatlan, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Miahuatlan, September typically has an average temperature of 24°C (75°F), with highs reaching up to 33°C (91°F) and lows dropping to around 17°C (62°F).
JanFebMarAprMayJunJulAugSepOctNovDec636669747776757574726764
Data source: Temperature data for Miahuatlan generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

September Precipitation in Miahuatlan

In Miahuatlan in September, the precipitation amount is 268 mm (10.6 in) distributed over 25 days.

September Precipitation Trends in Miahuatlan

The chart displays monthly precipitation patterns in Miahuatlan, 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 Miahuatlan, September typically receives around 268 mm (10.6 inches) of precipitation spread over approximately 25 days.
JanFebMarAprMayJunJulAugSepOctNovDec603570641272332072732681397022
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

September Humidity in Miahuatlan

In Miahuatlan in September, humidity is 86%. With an average temperature of 24°C (75°F), this humidity feels like a warm, sticky embrace, making outdoor activities somewhat uncomfortable and requiring travelers to stay hydrated and take breaks in the shade.

September Average Humidity in Miahuatlan

This chart illustrates the average monthly humidity levels in Miahuatlan, 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 Miahuatlan is approximately 86%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec88%86%84%81%82%81%81%82%86%90%91%91%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Miahuatlan

In Miahuatlan in September, the maximum UV index reaches 13, which corresponds to an extreme Exposure Category. With a time to burn of just 10 minutes, it's crucial to take protective measures. For detailed information, you can check the Hourly UV Index in Miahuatlan.

Maximum UV Index Levels in Miahuatlan for September

The chart shows the monthly maximum UV Index (UVI) for Miahuatlan 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 Miahuatlan typically reaches 13, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec811121313141413131198
Data source: Miahuatlan 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 Miahuatlan Compares to Other Months

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

This table compares monthly weather conditions in Miahuatlan, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather17°C (64°F)60 mm (2.4 inches)88%very high
February Weather19°C (66°F)35 mm (1.4 inches)86%extreme
March Weather21°C (70°F)70 mm (2.8 inches)84%extreme
April Weather23°C (74°F)64 mm (2.5 inches)81%extreme
May Weather25°C (77°F)127 mm (5.0 inches)82%extreme
June Weather24°C (76°F)233 mm (9.2 inches)81%extreme
July Weather24°C (75°F)207 mm (8.2 inches)81%extreme
August Weather24°C (75°F)273 mm (10.8 inches)82%extreme
September Weather24°C (75°F)268 mm (10.6 inches)86%extreme
October Weather22°C (72°F)139 mm (5.5 inches)90%extreme
November Weather20°C (68°F)70 mm (2.8 inches)91%very high
December Weather18°C (65°F)22 mm (0.9 inches)91%very high

Compare Miahuatlan's Climate with Cities Worldwide