September Weather in San Ignacio Rio Muerto, Mexico

Last updated: August 27, 2025

In September, the average temperature in San Ignacio Rio Muerto, Mexico reaches a warm 30°C (87°F). Expect minimums around 18°C (65°F) and highs of up to 45°C (112°F). This month brings about 68 mm (2.7 in) of precipitation over approximately 10 days, coupled with an average humidity of 76%. Enjoy the warmth while staying prepared for occasional rain!

September Temperature in San Ignacio Rio Muerto

In September in San Ignacio Rio Muerto, the average temperature is 30°C (87°F). Maximums can reach 45°C (112°F), and minimums can drop as low as 18°C (65°F). Be sure to pack light clothing and stay hydrated while exploring the vibrant surroundings!

September Weather in San Ignacio Rio Muerto: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in San Ignacio Rio Muerto, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In San Ignacio Rio Muerto, September typically has an average temperature of 30°C (87°F), with highs reaching up to 45°C (112°F) and lows dropping to around 18°C (65°F).
JanFebMarAprMayJunJulAugSepOctNovDec636568758087909087827365
Data source: Temperature data for San Ignacio Rio Muerto 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 San Ignacio Rio Muerto

In San Ignacio Rio Muerto in September, the precipitation amount is 68 mm (2.7 in) over a span of 10 days.

September Precipitation Trends in San Ignacio Rio Muerto

The chart displays monthly precipitation patterns in San Ignacio Rio Muerto, 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 San Ignacio Rio Muerto, September typically receives around 68 mm (2.7 inches) of precipitation spread over approximately 10 days.
JanFebMarAprMayJunJulAugSepOctNovDec109120010416368181714
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in San Ignacio Rio Muerto

In San Ignacio Rio Muerto in September, humidity is 76%. With an average temperature of 30°C (87°F), this humidity feels like a thick blanket enveloping you, making every step feel heavier and leaving a sheen of sweat on your skin, which can be quite taxing for traveling.

September Average Humidity in San Ignacio Rio Muerto

This chart illustrates the average monthly humidity levels in San Ignacio Rio Muerto, 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 San Ignacio Rio Muerto is approximately 76%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec71%66%59%52%51%51%61%73%76%72%72%72%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in San Ignacio Rio Muerto

In San Ignacio Rio Muerto 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 San Ignacio Rio Muerto.

Maximum UV Index Levels in San Ignacio Rio Muerto for September

The chart shows the monthly maximum UV Index (UVI) for San Ignacio Rio Muerto 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 San Ignacio Rio Muerto typically reaches 11, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec6810121212121211975
Data source: San Ignacio Rio Muerto 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 San Ignacio Rio Muerto Compares to Other Months

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

This table compares monthly weather conditions in San Ignacio Rio Muerto, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather17°C (63°F)10 mm (0.4 inches)71%high
February Weather18°C (65°F)9 mm (0.3 inches)66%very high
March Weather20°C (69°F)12 mm (0.5 inches)58%very high
April Weather24°C (75°F)0 mm (0.0 inches)52%extreme
May Weather27°C (80°F)0 mm (0.0 inches)51%extreme
June Weather31°C (88°F)10 mm (0.4 inches)51%extreme
July Weather32°C (91°F)41 mm (1.6 inches)60%extreme
August Weather32°C (90°F)63 mm (2.5 inches)73%extreme
September Weather30°C (87°F)68 mm (2.7 inches)76%extreme
October Weather28°C (82°F)18 mm (0.7 inches)72%very high
November Weather23°C (73°F)17 mm (0.7 inches)72%high
December Weather18°C (65°F)14 mm (0.6 inches)72%moderate

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