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September Weather in Truchas, United States

Last updated: June 24, 2025

In Truchas, United States, the average temperature in September hovers around 14°C (58°F). Expect a range where the minimum dips to a crisp -1°C (31°F), while the maximum can reach a warm 28°C (83°F). During this month, precipitation averages 53 mm (2.1 in) over 8 days, and you'll likely experience an average humidity of 72%.

September Temperature in Truchas

In September in Truchas, the average temperature is 14°C (58°F). Maximums can reach 28°C (83°F), while minimums can drop as low as -1°C (31°F). Travelers should prepare for a wide range of temperatures and pack accordingly.

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

The chart illustrates September temperature patterns in Truchas, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Truchas, September typically has an average temperature of 14°C (58°F), with highs reaching up to 28°C (83°F) and lows dropping to around -1°C (31°F).
JanFebMarAprMayJunJulAugSepOctNovDec242634435262646358463526
Data source: Temperature data for Truchas 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 Truchas

In Truchas in September, the total precipitation amount is 53 mm (2.1 in) over the course of 8 days.

September Precipitation Trends in Truchas

The chart displays monthly precipitation patterns in Truchas, 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 Truchas, September typically receives around 53 mm (2.1 inches) of precipitation spread over approximately 8 days.
JanFebMarAprMayJunJulAugSepOctNovDec3435464052461548653433430
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Truchas

In Truchas in September, humidity is 72%. With an average temperature of 14°C (58°F), this humidity feels like a damp blanket wrapping around you, making walking and exploring slightly uncomfortable and requiring frequent breaks for hydration.

September Average Humidity in Truchas

This chart illustrates the average monthly humidity levels in Truchas, 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 Truchas is approximately 72%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec78%79%66%60%57%55%57%65%72%78%81%79%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Truchas

In Truchas 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 Truchas.

Maximum UV Index Levels in Truchas for September

The chart shows the monthly maximum UV Index (UVI) for Truchas 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 Truchas typically reaches 11, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec5710111213131211864
Data source: Truchas 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 Truchas Compares to Other Months

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

This table compares monthly weather conditions in Truchas, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-4°C (24°F)34 mm (1.4 inches)78%moderate
February Weather-3°C (26°F)35 mm (1.4 inches)79%high
March Weather1°C (34°F)46 mm (1.8 inches)66%very high
April Weather6°C (43°F)40 mm (1.6 inches)60%extreme
May Weather11°C (53°F)52 mm (2.0 inches)57%extreme
June Weather17°C (62°F)46 mm (1.8 inches)55%extreme
July Weather18°C (64°F)154 mm (6.0 inches)56%extreme
August Weather17°C (63°F)86 mm (3.4 inches)65%extreme
September Weather14°C (58°F)53 mm (2.1 inches)72%extreme
October Weather8°C (46°F)43 mm (1.7 inches)78%very high
November Weather2°C (36°F)34 mm (1.3 inches)81%high
December Weather-3°C (26°F)30 mm (1.2 inches)79%moderate

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