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September Weather in Sutherlin, United States

Last updated: June 24, 2025

In September, the average temperature in Sutherlin, United States is a pleasant 17°C (63°F). However, be prepared for variability, as temperatures can dip to a chilly 3°C (37°F) or soar to a scorching 38°C (101°F). Expect about 70 mm (2.8 in) of precipitation spread over 6 days, contributing to an average humidity of 66%. Embrace the diverse climate this month has to offer!

September Temperature in Sutherlin

In September in Sutherlin, the average temperature is 17°C (63°F). Maximums can reach 38°C (101°F), and minimums can drop as low as 3°C (37°F). This diverse climate makes Sutherlin an exciting destination for travelers seeking both warm days and cool nights.

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

The chart illustrates September temperature patterns in Sutherlin, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Sutherlin, September typically has an average temperature of 17°C (63°F), with highs reaching up to 38°C (101°F) and lows dropping to around 3°C (37°F).
JanFebMarAprMayJunJulAugSepOctNovDec414145505662686963534640
Data source: Temperature data for Sutherlin 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 Sutherlin

In Sutherlin in September, the precipitation amount is 70 mm (2.8 in) over the course of 6 days.

September Precipitation Trends in Sutherlin

The chart displays monthly precipitation patterns in Sutherlin, 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 Sutherlin, September typically receives around 70 mm (2.8 inches) of precipitation spread over approximately 6 days.
JanFebMarAprMayJunJulAugSepOctNovDec1581991411316540267087135169
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Sutherlin

In Sutherlin in September, humidity is 66%. With an average temperature of 17°C (63°F), this humidity feels like a warm embrace, making travel refreshing yet slightly muggy, perfect for leisurely strolls or picturesque outdoor explorations, but travelers should be prepared for occasional discomfort as they navigate the vibrant sights.

September Average Humidity in Sutherlin

This chart illustrates the average monthly humidity levels in Sutherlin, 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 Sutherlin is approximately 66%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec84%85%86%83%83%83%78%67%66%77%87%87%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Sutherlin

In Sutherlin in September, the maximum UV index is 8, which corresponds to a very high Exposure Category. This means that the time to burn is only 15 minutes. For more detailed information, you can refer to the Hourly UV Index in Sutherlin.

Maximum UV Index Levels in Sutherlin for September

The chart shows the monthly maximum UV Index (UVI) for Sutherlin 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 Sutherlin typically reaches 8, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec246710101098532
Data source: Sutherlin 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 Sutherlin Compares to Other Months

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

This table compares monthly weather conditions in Sutherlin, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather5°C (42°F)158 mm (6.2 inches)84%low
February Weather5°C (41°F)199 mm (7.8 inches)85%moderate
March Weather7°C (45°F)141 mm (5.6 inches)86%high
April Weather10°C (50°F)131 mm (5.2 inches)83%high
May Weather13°C (56°F)65 mm (2.5 inches)83%very high
June Weather17°C (63°F)40 mm (1.6 inches)83%very high
July Weather20°C (68°F)2 mm (0.1 inches)78%very high
August Weather20°C (69°F)6 mm (0.2 inches)67%very high
September Weather17°C (63°F)70 mm (2.8 inches)66%very high
October Weather11°C (53°F)87 mm (3.4 inches)77%moderate
November Weather8°C (46°F)135 mm (5.3 inches)87%moderate
December Weather4°C (40°F)169 mm (6.7 inches)87%low

Compare Sutherlin's Climate with Cities Worldwide