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September Weather in Skokomish, United States

Last updated: June 24, 2025

In September, the average temperature in Skokomish, United States hovers around 16°C (60°F). However, be prepared for a wide range, with minimums dipping to 6°C (44°F) and maximums soaring to 32°C (90°F). Rain lovers will find solace in an average precipitation of 109 mm (4.3 in) over 11 days, while the average humidity remains a comfortable 74%.

September Temperature in Skokomish

In September in Skokomish, the average temperature is 16°C (60°F), with maximums reaching 32°C (90°F) and minimums dropping as low as 6°C (44°F). This variation in temperature makes it essential for travelers to pack layers to comfortably adapt to the changing conditions.

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

The chart illustrates September temperature patterns in Skokomish, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Skokomish, September typically has an average temperature of 16°C (60°F), with highs reaching up to 32°C (90°F) and lows dropping to around 6°C (44°F).
JanFebMarAprMayJunJulAugSepOctNovDec414044485560646560514541
Data source: Temperature data for Skokomish 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 Skokomish

In Skokomish in September, the precipitation amount is 109 mm (4.3 in), occurring over a span of 11 days.

September Precipitation Trends in Skokomish

The chart displays monthly precipitation patterns in Skokomish, 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 Skokomish, September typically receives around 109 mm (4.3 inches) of precipitation spread over approximately 11 days.
JanFebMarAprMayJunJulAugSepOctNovDec29818716613969541116109194283280
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Skokomish

In Skokomish in September humidity is 74%. With an average temperature of 16°C (60°F), this humidity feels like a damp blanket enveloping you, making traveling a bit uncomfortable as you navigate the sticky air and potentially limiting your energy for exploring the sights.

September Average Humidity in Skokomish

This chart illustrates the average monthly humidity levels in Skokomish, 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 Skokomish is approximately 74%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec86%84%85%83%84%84%82%73%74%83%86%87%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Skokomish

In Skokomish 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 Skokomish.

Maximum UV Index Levels in Skokomish for September

The chart shows the monthly maximum UV Index (UVI) for Skokomish 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 Skokomish typically reaches 7, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec235689987532
Data source: Skokomish 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 Skokomish Compares to Other Months

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

This table compares monthly weather conditions in Skokomish, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather5°C (41°F)298 mm (11.7 inches)86%low
February Weather4°C (40°F)187 mm (7.4 inches)84%moderate
March Weather7°C (44°F)166 mm (6.5 inches)85%moderate
April Weather9°C (49°F)139 mm (5.5 inches)83%high
May Weather13°C (55°F)69 mm (2.7 inches)84%very high
June Weather16°C (60°F)54 mm (2.1 inches)84%very high
July Weather18°C (64°F)11 mm (0.4 inches)82%very high
August Weather18°C (65°F)16 mm (0.6 inches)73%very high
September Weather16°C (60°F)109 mm (4.3 inches)74%high
October Weather10°C (51°F)194 mm (7.6 inches)83%moderate
November Weather7°C (46°F)282 mm (11.1 inches)86%moderate
December Weather5°C (41°F)280 mm (11.0 inches)87%low

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