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September Weather in Porvenir, Mexico

Last updated: August 27, 2025

In September, the average temperature in Porvenir, Mexico is a pleasant 25°C (77°F). However, temperatures can vary widely, with minimums dipping to 10°C (50°F) and maximums soaring to 37°C (99°F). Expect some rain, as precipitation averages around 33 mm (1.3 in) over 5 days, and don't forget the humidity, which lingers at about 74%!

September Temperature in Porvenir

In September in Porvenir, the average temperature is 25°C (77°F). Maximums can reach 37°C (99°F), while minimums can dip as low as 10°C (50°F). This makes it a perfect time for travelers to enjoy a variety of activities, from exploring the outdoors in the warm sun to experiencing cooler evenings.

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

The chart illustrates September temperature patterns in Porvenir, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Porvenir, September typically has an average temperature of 25°C (77°F), with highs reaching up to 37°C (99°F) and lows dropping to around 10°C (50°F).
JanFebMarAprMayJunJulAugSepOctNovDec465260697784848377675748
Data source: Temperature data for Porvenir 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 Porvenir

In Porvenir in September, the precipitation amount is 33 mm (1.3 in) over the course of 5 days.

September Precipitation Trends in Porvenir

The chart displays monthly precipitation patterns in Porvenir, 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 Porvenir, September typically receives around 33 mm (1.3 inches) of precipitation spread over approximately 5 days.
JanFebMarAprMayJunJulAugSepOctNovDec1112174520353533241218
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Porvenir

In Porvenir in September humidity is 74%. With an average temperature of 25°C (77°F), this humidity feels like a warm, muggy blanket wrapping around you, making travel a bit more challenging as you find yourself sticky and in need of frequent breaks to hydrate and cool down.

September Average Humidity in Porvenir

This chart illustrates the average monthly humidity levels in Porvenir, 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 Porvenir is approximately 74%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec81%77%65%53%51%51%60%63%74%75%83%87%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Porvenir

In Porvenir in September, the maximum UV index is 12, which corresponds to an extreme Exposure Category. The time to burn is just 10 minutes, underscoring the importance of sun protection. For detailed information, you can check the Hourly UV Index in Porvenir.

Maximum UV Index Levels in Porvenir for September

The chart shows the monthly maximum UV Index (UVI) for Porvenir 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 Porvenir typically reaches 12, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec5810121313131212975
Data source: Porvenir 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 Porvenir Compares to Other Months

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

This table compares monthly weather conditions in Porvenir, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather8°C (47°F)11 mm (0.4 inches)81%moderate
February Weather11°C (52°F)12 mm (0.5 inches)77%very high
March Weather16°C (61°F)17 mm (0.7 inches)65%very high
April Weather21°C (69°F)4 mm (0.2 inches)53%extreme
May Weather25°C (77°F)5 mm (0.2 inches)51%extreme
June Weather29°C (85°F)20 mm (0.8 inches)51%extreme
July Weather29°C (84°F)35 mm (1.4 inches)60%extreme
August Weather28°C (83°F)35 mm (1.4 inches)63%extreme
September Weather25°C (77°F)33 mm (1.3 inches)74%extreme
October Weather20°C (68°F)23 mm (0.9 inches)75%very high
November Weather14°C (57°F)12 mm (0.5 inches)82%high
December Weather9°C (49°F)17 mm (0.7 inches)87%moderate

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