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September Weather in Nuevo Santo Tomas, Mexico

Last updated: August 27, 2025

In September, the average temperature in Nuevo Santo Tomas, Mexico is a pleasant 23°C (73°F), with a range that can dip to a cool 16°C (62°F) and peak at a warm 31°C (89°F). Expect 204 mm (8.0 in) of precipitation spread across 24 days, contributing to an average humidity of 77%.

September Temperature in Nuevo Santo Tomas

In September in Nuevo Santo Tomas, the average temperature is 23°C (73°F). Maximums can reach up to 31°C (89°F), while minimums can drop as low as 16°C (62°F). This mild climate makes Nuevo Santo Tomas an ideal destination for travelers seeking pleasant weather.

September Weather in Nuevo Santo Tomas: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Nuevo Santo Tomas, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Nuevo Santo Tomas, September typically has an average temperature of 23°C (73°F), with highs reaching up to 31°C (89°F) and lows dropping to around 16°C (62°F).
JanFebMarAprMayJunJulAugSepOctNovDec646668737573727373726865
Data source: Temperature data for Nuevo Santo Tomas 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 Nuevo Santo Tomas

In Nuevo Santo Tomas in September, the precipitation amount is 204 mm (8.0 in) over the course of 24 days.

September Precipitation Trends in Nuevo Santo Tomas

The chart displays monthly precipitation patterns in Nuevo Santo Tomas, 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 Nuevo Santo Tomas, September typically receives around 204 mm (8.0 inches) of precipitation spread over approximately 24 days.
JanFebMarAprMayJunJulAugSepOctNovDec12370594711031598144204248190105
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Nuevo Santo Tomas

In Nuevo Santo Tomas in September, humidity is 77%. With an average temperature of 23°C (73°F), this humidity feels like a warm, sticky embrace, making travel somewhat uncomfortable but bearable. It's essential to stay hydrated and take frequent breaks to enjoy the sights while avoiding overheating.

September Average Humidity in Nuevo Santo Tomas

This chart illustrates the average monthly humidity levels in Nuevo Santo Tomas, 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 Nuevo Santo Tomas is approximately 77%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec84%73%59%53%54%55%61%71%77%78%82%86%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Nuevo Santo Tomas

In Nuevo Santo Tomas in September, the maximum UV index is 14, which corresponds to an extreme Exposure Category. The time to burn is just 10 minutes, so it's crucial to take precautions. For the detailed hourly UV index in Nuevo Santo Tomas, you can check here.

Maximum UV Index Levels in Nuevo Santo Tomas for September

The chart shows the monthly maximum UV Index (UVI) for Nuevo Santo Tomas 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 Nuevo Santo Tomas typically reaches 14, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec10121414141414141413109
Data source: Nuevo Santo Tomas 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 Nuevo Santo Tomas Compares to Other Months

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

This table compares monthly weather conditions in Nuevo Santo Tomas, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather18°C (65°F)123 mm (4.8 inches)84%very high
February Weather19°C (67°F)70 mm (2.8 inches)73%extreme
March Weather20°C (68°F)59 mm (2.3 inches)59%extreme
April Weather23°C (73°F)47 mm (1.9 inches)52%extreme
May Weather24°C (76°F)110 mm (4.3 inches)53%extreme
June Weather23°C (74°F)315 mm (12.4 inches)55%extreme
July Weather22°C (72°F)98 mm (3.8 inches)61%extreme
August Weather23°C (73°F)144 mm (5.7 inches)71%extreme
September Weather23°C (73°F)204 mm (8.0 inches)77%extreme
October Weather22°C (72°F)248 mm (9.8 inches)78%extreme
November Weather20°C (68°F)190 mm (7.5 inches)82%very high
December Weather19°C (66°F)105 mm (4.1 inches)86%very high

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