nomadseason

September Weather in Coyame, Mexico

Last updated: August 27, 2025

In September, the average temperature in Coyame, Mexico is a comfortable 26°C (79°F). However, temperatures can vary significantly, with a minimum of 12°C (55°F) and a scorching maximum of 38°C (101°F). Expect some rain, as the area receives around 36 mm (1.4 in) of precipitation over 6 days. With an average humidity of 79%, it's a month that beautifully balances warmth and moisture.

September Temperature in Coyame

In September in Coyame, the average temperature is 26°C (79°F). Maximums can reach 38°C (101°F), while minimums can dip as low as 12°C (55°F). It's advisable to pack light clothing for the daytime and a light jacket for the cooler evenings while traveling.

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

The chart illustrates September temperature patterns in Coyame, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Coyame, September typically has an average temperature of 26°C (79°F), with highs reaching up to 38°C (101°F) and lows dropping to around 12°C (55°F).
JanFebMarAprMayJunJulAugSepOctNovDec515866748286858478726154
Data source: Temperature data for Coyame 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 Coyame

In Coyame in September, the total precipitation amount is 36 mm (1.4 in), which falls over the course of 6 days.

September Precipitation Trends in Coyame

The chart displays monthly precipitation patterns in Coyame, 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 Coyame, September typically receives around 36 mm (1.4 inches) of precipitation spread over approximately 6 days.
JanFebMarAprMayJunJulAugSepOctNovDec10939525252636111017
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

September Humidity in Coyame

In Coyame in September humidity is 79%. With an average temperature of 26°C (79°F), this humidity feels like a warm, sticky embrace that can make outdoor activities feel exhausting. Travelers should be prepared for a heavy air that clings to the skin, making hydration essential while navigating the sights and sounds of the city.

September Average Humidity in Coyame

This chart illustrates the average monthly humidity levels in Coyame, 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 Coyame is approximately 79%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec78%71%60%52%49%50%65%70%79%77%83%85%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Coyame

In Coyame 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 Coyame.

Maximum UV Index Levels in Coyame for September

The chart shows the monthly maximum UV Index (UVI) for Coyame 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 Coyame typically reaches 12, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec68101313131312121076
Data source: Coyame 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 Coyame Compares to Other Months

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

This table compares monthly weather conditions in Coyame, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather11°C (52°F)10 mm (0.4 inches)78%high
February Weather14°C (58°F)9 mm (0.3 inches)71%very high
March Weather19°C (67°F)3 mm (0.1 inches)60%very high
April Weather23°C (74°F)9 mm (0.3 inches)52%extreme
May Weather28°C (82°F)5 mm (0.2 inches)49%extreme
June Weather30°C (87°F)25 mm (1.0 inches)50%extreme
July Weather29°C (85°F)25 mm (1.0 inches)65%extreme
August Weather29°C (84°F)26 mm (1.0 inches)70%extreme
September Weather26°C (79°F)36 mm (1.4 inches)79%extreme
October Weather22°C (72°F)11 mm (0.4 inches)77%very high
November Weather16°C (62°F)10 mm (0.4 inches)83%high
December Weather12°C (54°F)17 mm (0.7 inches)84%high

Compare Coyame's Climate with Cities Worldwide