September Weather in Potlatch, United States

Last updated: June 24, 2025

In September, the average temperature in Potlatch, United States hovers around 16°C (61°F). However, be prepared for a climate range where the minimum dips to 1°C (34°F) and can soar as high as 35°C (94°F). Despite this variability, expect a moderate precipitation of 32 mm (1.2 in) spread over about 5 days, accompanied by an average humidity of 62%.

September Temperature in Potlatch

In September in Potlatch, the average temperature is 16°C (61°F), with maximums reaching up to 35°C (94°F) and minimums dropping as low as 1°C (34°F). This range makes it a perfect time for travelers to enjoy a variety of outdoor activities, so be sure to pack both light clothing for the warmth and warmer layers for cooler evenings.

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

The chart illustrates September temperature patterns in Potlatch, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Potlatch, September typically has an average temperature of 16°C (61°F), with highs reaching up to 35°C (94°F) and lows dropping to around 1°C (34°F).
JanFebMarAprMayJunJulAugSepOctNovDec323139465664737261473932
Data source: Temperature data for Potlatch 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 Potlatch

In Potlatch in September, the precipitation amount is 32 mm (1.2 in) over the course of 5 days.

September Precipitation Trends in Potlatch

The chart displays monthly precipitation patterns in Potlatch, 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 Potlatch, September typically receives around 32 mm (1.2 inches) of precipitation spread over approximately 5 days.
JanFebMarAprMayJunJulAugSepOctNovDec811057972683451232769895
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Potlatch

In Potlatch in September, humidity is 62%. With an average temperature of 16°C (61°F), this humidity feels like a gentle blanket, making traveling comfortable yet occasionally sticky, prompting the need for light, breathable clothing to fully enjoy the sights.

September Average Humidity in Potlatch

This chart illustrates the average monthly humidity levels in Potlatch, 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 Potlatch 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 Potlatch

In Potlatch 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 Potlatch.

Maximum UV Index Levels in Potlatch for September

The chart shows the monthly maximum UV Index (UVI) for Potlatch 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 Potlatch typically reaches 7, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec2457891097532
Data source: Potlatch 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 Potlatch Compares to Other Months

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

This table compares monthly weather conditions in Potlatch, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather0°C (32°F)81 mm (3.2 inches)89%low
February Weather0°C (32°F)105 mm (4.1 inches)89%moderate
March Weather4°C (40°F)79 mm (3.1 inches)87%moderate
April Weather8°C (47°F)72 mm (2.8 inches)84%high
May Weather13°C (56°F)68 mm (2.7 inches)77%very high
June Weather18°C (64°F)33 mm (1.3 inches)78%very high
July Weather23°C (73°F)5 mm (0.2 inches)77%very high
August Weather22°C (72°F)12 mm (0.5 inches)64%very high
September Weather16°C (61°F)32 mm (1.2 inches)62%high
October Weather8°C (48°F)76 mm (3.0 inches)79%moderate
November Weather4°C (39°F)98 mm (3.9 inches)87%moderate
December Weather0°C (32°F)95 mm (3.8 inches)90%low

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