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September Weather in Tornillo, United States

Last updated: June 24, 2025

In September, the average temperature in Tornillo, United States hovers around 25°C (77°F). Expect variability, with temperatures dipping to a chilly 9°C (49°F) and soaring up to a scorching 37°C (99°F). During this month, the region sees about 22 mm (0.9 in) of precipitation spread over 4 days, contributing to an average humidity of 74%.

September Temperature in Tornillo

In September in Tornillo, the average temperature is 25°C (77°F). Maximum temperatures can reach up to 37°C (99°F), while the minimum can dip as low as 9°C (49°F). This warm climate makes Tornillo an ideal destination for travelers seeking sunny days and outdoor activities.

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

The chart illustrates September temperature patterns in Tornillo, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Tornillo, September typically has an average temperature of 25°C (77°F), with highs reaching up to 37°C (99°F) and lows dropping to around 9°C (49°F).
JanFebMarAprMayJunJulAugSepOctNovDec465160687684848377675748
Data source: Temperature data for Tornillo 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 Tornillo

In Tornillo in September, the precipitation amount is 22 mm (0.9 in) over a duration of 4 days.

September Precipitation Trends in Tornillo

The chart displays monthly precipitation patterns in Tornillo, 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 Tornillo, September typically receives around 22 mm (0.9 inches) of precipitation spread over approximately 4 days.
JanFebMarAprMayJunJulAugSepOctNovDec1111193316292522181116
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Tornillo

In Tornillo in September humidity is 74%. With an average temperature of 25°C (77°F), this humidity feels like a warm, muggy blanket wrapping around you, making travel a bit more challenging as you find yourself sticky and in need of frequent breaks to hydrate and cool down.

September Average Humidity in Tornillo

This chart illustrates the average monthly humidity levels in Tornillo, 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 Tornillo is approximately 74%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec81%77%65%53%51%51%60%63%74%75%83%87%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Tornillo

In Tornillo 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 Tornillo.

Maximum UV Index Levels in Tornillo for September

The chart shows the monthly maximum UV Index (UVI) for Tornillo 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 Tornillo typically reaches 11, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec5810121313131211965
Data source: Tornillo 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 Tornillo Compares to Other Months

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

This table compares monthly weather conditions in Tornillo, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather8°C (46°F)11 mm (0.4 inches)81%moderate
February Weather11°C (52°F)11 mm (0.4 inches)77%very high
March Weather15°C (60°F)19 mm (0.7 inches)65%very high
April Weather20°C (69°F)3 mm (0.1 inches)53%extreme
May Weather25°C (77°F)3 mm (0.1 inches)51%extreme
June Weather29°C (84°F)16 mm (0.6 inches)51%extreme
July Weather29°C (84°F)29 mm (1.1 inches)60%extreme
August Weather28°C (83°F)25 mm (1.0 inches)63%extreme
September Weather25°C (77°F)22 mm (0.9 inches)74%extreme
October Weather19°C (67°F)18 mm (0.7 inches)75%very high
November Weather14°C (57°F)11 mm (0.4 inches)82%high
December Weather9°C (48°F)16 mm (0.6 inches)87%moderate

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