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September Weather in San Tiburcio, Mexico

Last updated: August 27, 2025

In September, the average temperature in San Tiburcio, Mexico hovers around 20°C (68°F), with a minimum of 10°C (51°F) and a maximum of 31°C (88°F). Expect about 73 mm (2.9 in) of precipitation spread over 12 days, accompanied by an average humidity of 72%. Prepare for a blend of warmth and occasional showers that typify this time of year!

September Temperature in San Tiburcio

In September in San Tiburcio, the average temperature is 20°C (68°F), with maximums reaching 31°C (88°F) and minimums dropping as low as 10°C (51°F). This pleasant temperature range makes San Tiburcio an ideal destination for travelers looking to enjoy moderate weather during their visit.

September Weather in San Tiburcio: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in San Tiburcio, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In San Tiburcio, September typically has an average temperature of 20°C (68°F), with highs reaching up to 31°C (88°F) and lows dropping to around 10°C (51°F).
JanFebMarAprMayJunJulAugSepOctNovDec546065697272707068656055
Data source: Temperature data for San Tiburcio 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 Tiburcio

In San Tiburcio in September, the precipitation amount is 73 mm (2.9 in) occurring over a span of 12 days.

September Precipitation Trends in San Tiburcio

The chart displays monthly precipitation patterns in San Tiburcio, 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 Tiburcio, September typically receives around 73 mm (2.9 inches) of precipitation spread over approximately 12 days.
JanFebMarAprMayJunJulAugSepOctNovDec166919294188327331716
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in San Tiburcio

In San Tiburcio in September humidity is 72%. With an average temperature of 20°C (68°F), this humidity feels like a heavy blanket enveloping you, making every step slightly more laborious and the air thick with moisture, which can be uncomfortable for traveling.

September Average Humidity in San Tiburcio

This chart illustrates the average monthly humidity levels in San Tiburcio, 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 Tiburcio is approximately 72%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec75%70%65%59%66%71%57%58%73%76%81%80%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in San Tiburcio

In San Tiburcio 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 San Tiburcio.

Maximum UV Index Levels in San Tiburcio for September

The chart shows the monthly maximum UV Index (UVI) for San Tiburcio 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 Tiburcio typically reaches 13, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec811131414141414131297
Data source: San Tiburcio 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 Tiburcio Compares to Other Months

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

This table compares monthly weather conditions in San Tiburcio, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather12°C (54°F)16 mm (0.6 inches)75%very high
February Weather15°C (60°F)6 mm (0.2 inches)70%extreme
March Weather18°C (66°F)9 mm (0.4 inches)65%extreme
April Weather21°C (69°F)19 mm (0.7 inches)59%extreme
May Weather22°C (73°F)28 mm (1.1 inches)66%extreme
June Weather22°C (72°F)41 mm (1.6 inches)71%extreme
July Weather21°C (70°F)88 mm (3.4 inches)57%extreme
August Weather21°C (71°F)32 mm (1.3 inches)58%extreme
September Weather20°C (68°F)73 mm (2.9 inches)72%extreme
October Weather18°C (66°F)31 mm (1.2 inches)76%extreme
November Weather16°C (60°F)7 mm (0.3 inches)81%very high
December Weather13°C (55°F)16 mm (0.6 inches)80%high

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