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September Weather in Valier, United States

Last updated: June 24, 2025

In Valier, United States, the average temperature in September hovers around 13°C (56°F). Expect a chilly minimum of -4°C (25°F) and the possibility of warming up to a balmy 33°C (91°F). Rain isn’t uncommon, with approximately 40 mm (1.6 in) of precipitation spread over 6 days. Humidity typically sits at a comfortable 66%, making it a month of varied weather!

September Temperature in Valier

In September in Valier, the average temperature is 13°C (56°F), with maximums reaching 33°C (91°F) and minimums dipping as low as -4°C (25°F). It's advisable to pack layers to comfortably navigate the varied temperatures during your travels.

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

The chart illustrates September temperature patterns in Valier, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Valier, September typically has an average temperature of 13°C (56°F), with highs reaching up to 33°C (91°F) and lows dropping to around -4°C (25°F).
JanFebMarAprMayJunJulAugSepOctNovDec241730395261686656413427
Data source: Temperature data for Valier 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 Valier

In Valier in September, the precipitation amount is 40 mm (1.6 in) over the course of 6 days.

September Precipitation Trends in Valier

The chart displays monthly precipitation patterns in Valier, 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 Valier, September typically receives around 40 mm (1.6 inches) of precipitation spread over approximately 6 days.
JanFebMarAprMayJunJulAugSepOctNovDec163927547362172640313127
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Valier

In Valier in September, humidity is 66%. With an average temperature of 13°C (56°F), this humidity feels like a refreshing embrace, making travel comfortable yet occasionally brisk, inviting you to explore while ensuring you stay hydrated and take breaks from time to time.

September Average Humidity in Valier

This chart illustrates the average monthly humidity levels in Valier, 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 Valier is approximately 66%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec86%89%83%76%73%75%75%70%67%72%82%89%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Valier

In Valier in September, the maximum UV index is 7, which corresponds to the high Exposure Category. This means that the time to burn is approximately 25 minutes. For more detailed information, you can check the Hourly UV Index in Valier.

Maximum UV Index Levels in Valier for September

The chart shows the monthly maximum UV Index (UVI) for Valier 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 Valier typically reaches 7, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec245899997532
Data source: Valier 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 Valier Compares to Other Months

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

This table compares monthly weather conditions in Valier, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-4°C (24°F)16 mm (0.6 inches)86%low
February Weather-8°C (17°F)39 mm (1.5 inches)89%moderate
March Weather-1°C (31°F)27 mm (1.1 inches)83%moderate
April Weather4°C (39°F)54 mm (2.1 inches)75%very high
May Weather11°C (52°F)73 mm (2.9 inches)72%very high
June Weather16°C (61°F)62 mm (2.5 inches)75%very high
July Weather20°C (68°F)16 mm (0.6 inches)75%very high
August Weather19°C (66°F)26 mm (1.0 inches)69%very high
September Weather13°C (56°F)40 mm (1.6 inches)66%high
October Weather5°C (42°F)31 mm (1.2 inches)72%moderate
November Weather1°C (34°F)31 mm (1.2 inches)82%moderate
December Weather-3°C (27°F)27 mm (1.0 inches)89%low

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