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September Weather in El Refugio, Mexico

Last updated: August 27, 2025

In September, the average temperature in El Refugio, Mexico is a warm 30°C (86°F). You can expect a minimum of 22°C (72°F) and a maximum of 39°C (103°F). During this month, precipitation reaches about 98 mm (3.8 in) over 12 days, while humidity hangs around a comfortable 78%.

September Temperature in El Refugio

In September in El Refugio, the average temperature is 30°C (86°F), with maximums reaching up to 39°C (103°F) and minimums dropping as low as 22°C (72°F). This warm climate makes El Refugio an ideal destination for travelers seeking sun and outdoor activities.

September Weather in El Refugio: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in El Refugio, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In El Refugio, September typically has an average temperature of 30°C (86°F), with highs reaching up to 39°C (103°F) and lows dropping to around 22°C (72°F).
JanFebMarAprMayJunJulAugSepOctNovDec646568737885898886837567
Data source: Temperature data for El Refugio 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 El Refugio

In El Refugio in September, the precipitation amount is 98 mm (3.8 in) spread over 12 days.

September Precipitation Trends in El Refugio

The chart displays monthly precipitation patterns in El Refugio, 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 El Refugio, September typically receives around 98 mm (3.8 inches) of precipitation spread over approximately 12 days.
JanFebMarAprMayJunJulAugSepOctNovDec101350012278298183213
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in El Refugio

In El Refugio in September, humidity is 78%. With an average temperature of 30°C (86°F), this humidity feels like a thick, warm blanket enveloping you, making travel feel more strenuous and leaving you yearning for cool relief.

September Average Humidity in El Refugio

This chart illustrates the average monthly humidity levels in El Refugio, 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 El Refugio is approximately 78%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec70%67%62%58%59%64%74%78%78%75%74%72%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in El Refugio

In El Refugio 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 El Refugio.

Maximum UV Index Levels in El Refugio for September

The chart shows the monthly maximum UV Index (UVI) for El Refugio 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 El Refugio typically reaches 12, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec69101212121212121076
Data source: El Refugio 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 El Refugio Compares to Other Months

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

This table compares monthly weather conditions in El Refugio, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather18°C (65°F)10 mm (0.4 inches)70%high
February Weather18°C (65°F)13 mm (0.5 inches)67%very high
March Weather20°C (68°F)5 mm (0.2 inches)62%very high
April Weather23°C (73°F)0 mm (0.0 inches)58%extreme
May Weather26°C (78°F)0 mm (0.0 inches)59%extreme
June Weather29°C (85°F)12 mm (0.5 inches)64%extreme
July Weather32°C (89°F)27 mm (1.1 inches)74%extreme
August Weather31°C (89°F)82 mm (3.2 inches)78%extreme
September Weather30°C (86°F)98 mm (3.8 inches)78%extreme
October Weather29°C (84°F)18 mm (0.7 inches)75%very high
November Weather24°C (75°F)32 mm (1.3 inches)74%high
December Weather19°C (67°F)13 mm (0.5 inches)72%high

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