September Weather in Kooskia, United States

Last updated: June 24, 2025

In September, the average temperature in Kooskia, United States is a comfortable 16°C (62°F), with fluctuations that can range from a minimum of 1°C (34°F) to a sizzling maximum of 35°C (96°F). You can expect approximately 40 mm (1.6 in) of precipitation spread over 6 days, contributing to an average humidity of 62%. Whether you're exploring or relaxing, be prepared for a variety of weather conditions!

September Temperature in Kooskia

In September in Kooskia, the average temperature is 16°C (62°F). Maximums can reach 35°C (96°F), while minimums can drop as low as 1°C (34°F). Be prepared for a wide range of temperatures when traveling to Kooskia during this time.

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

The chart illustrates September temperature patterns in Kooskia, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Kooskia, September typically has an average temperature of 16°C (62°F), with highs reaching up to 35°C (96°F) and lows dropping to around 1°C (34°F).
JanFebMarAprMayJunJulAugSepOctNovDec313139465563737261473832
Data source: Temperature data for Kooskia 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 Kooskia

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

September Precipitation Trends in Kooskia

The chart displays monthly precipitation patterns in Kooskia, 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 Kooskia, September typically receives around 40 mm (1.6 inches) of precipitation spread over approximately 6 days.
JanFebMarAprMayJunJulAugSepOctNovDec6913691109775842440839294
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Kooskia

In Kooskia in September, humidity is 62%. With an average temperature of 16°C (62°F), this humidity feels like a damp blanket wrapping around you, making outdoor activities a bit sticky but still comfortable if you plan to explore at a leisurely pace.

September Average Humidity in Kooskia

This chart illustrates the average monthly humidity levels in Kooskia, 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 Kooskia is approximately 62%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec89%89%87%84%78%78%77%64%62%79%87%90%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Kooskia

In Kooskia 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 Kooskia.

Maximum UV Index Levels in Kooskia for September

The chart shows the monthly maximum UV Index (UVI) for Kooskia 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 Kooskia typically reaches 7, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec24679101097532
Data source: Kooskia 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 Kooskia Compares to Other Months

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

This table compares monthly weather conditions in Kooskia, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-1°C (31°F)69 mm (2.7 inches)89%low
February Weather0°C (31°F)136 mm (5.3 inches)89%moderate
March Weather4°C (39°F)91 mm (3.6 inches)87%high
April Weather8°C (46°F)109 mm (4.3 inches)84%high
May Weather13°C (55°F)77 mm (3.0 inches)77%very high
June Weather17°C (63°F)58 mm (2.3 inches)78%very high
July Weather23°C (73°F)4 mm (0.2 inches)77%very high
August Weather22°C (72°F)24 mm (0.9 inches)64%very high
September Weather16°C (62°F)40 mm (1.6 inches)62%high
October Weather8°C (47°F)83 mm (3.3 inches)79%moderate
November Weather3°C (38°F)92 mm (3.6 inches)87%moderate
December Weather0°C (32°F)94 mm (3.7 inches)90%low

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