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September Weather in Pe Ell, United States

Last updated: June 24, 2025

In Pe Ell, United States, the average temperature in September is a pleasant 15°C (60°F). However, temperatures can range from a cool 4°C (39°F) to a warm 34°C (93°F). Visitors can expect an average precipitation of 105 mm (4.1 in) over about 10 days, coupled with a relatively high average humidity of 74%. Stay prepared for the variability in weather!

September Temperature in Pe Ell

In September in Pe Ell, the average temperature is 15°C (60°F). The maximum can reach 34°C (93°F), while the minimum can be as low as 4°C (39°F). Travelers should be prepared for a wide range of temperatures, making layering essential for outdoor activities.

September Weather in Pe Ell: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Pe Ell, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Pe Ell, September typically has an average temperature of 15°C (60°F), with highs reaching up to 34°C (93°F) and lows dropping to around 4°C (39°F).
JanFebMarAprMayJunJulAugSepOctNovDec403943485459636459494439
Data source: Temperature data for Pe Ell 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 Pe Ell

In Pe Ell in September, the precipitation amount is 105 mm (4.1 in) over the course of 10 days.

September Precipitation Trends in Pe Ell

The chart displays monthly precipitation patterns in Pe Ell, 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 Pe Ell, September typically receives around 105 mm (4.1 inches) of precipitation spread over approximately 10 days.
JanFebMarAprMayJunJulAugSepOctNovDec22919215913881661112105163224241
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Pe Ell

In Pe Ell in September humidity is 74%. With an average temperature of 15°C (60°F), this humidity feels like a warm embrace that can make outdoor activities feel slightly stifling, so travelers should be prepared to hydrate frequently and take breaks in the shade.

September Average Humidity in Pe Ell

This chart illustrates the average monthly humidity levels in Pe Ell, 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 Pe Ell 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 Pe Ell

In Pe Ell 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 Pe Ell.

Maximum UV Index Levels in Pe Ell for September

The chart shows the monthly maximum UV Index (UVI) for Pe Ell 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 Pe Ell typically reaches 7, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec2356910987532
Data source: Pe Ell 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 Pe Ell Compares to Other Months

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

This table compares monthly weather conditions in Pe Ell, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather4°C (40°F)229 mm (9.0 inches)86%low
February Weather4°C (39°F)192 mm (7.6 inches)84%moderate
March Weather6°C (43°F)159 mm (6.3 inches)85%moderate
April Weather9°C (48°F)138 mm (5.4 inches)83%high
May Weather12°C (54°F)81 mm (3.2 inches)84%very high
June Weather15°C (59°F)66 mm (2.6 inches)84%very high
July Weather17°C (63°F)11 mm (0.4 inches)82%very high
August Weather18°C (64°F)12 mm (0.5 inches)73%very high
September Weather15°C (60°F)105 mm (4.1 inches)74%high
October Weather10°C (50°F)163 mm (6.4 inches)83%moderate
November Weather6°C (44°F)224 mm (8.8 inches)86%moderate
December Weather4°C (39°F)241 mm (9.5 inches)87%low

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