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September Weather in Port Orford, United States

Last updated: June 24, 2025

In September, the average temperature in Port Orford, United States hovers around 15°C (59°F). You can expect a minimum temperature of 8°C (46°F) and a pleasant maximum of 31°C (87°F). With an average humidity of 66%, the air can feel a bit muggy at times. Additionally, anticipate about 54 mm (2.1 in) of precipitation spread over 6 days, perfect for those cozy indoor moments!

September Temperature in Port Orford

In September in Port Orford, the average temperature is 15°C (59°F). Maximum temperatures can reach 31°C (87°F), while minimums can dip as low as 8°C (46°F). This diverse temperature range makes it an ideal time for travelers to experience both warm days and cool evenings.

September Weather in Port Orford: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Port Orford, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Port Orford, September typically has an average temperature of 15°C (59°F), with highs reaching up to 31°C (87°F) and lows dropping to around 8°C (46°F).
JanFebMarAprMayJunJulAugSepOctNovDec484648505357596059555148
Data source: Temperature data for Port Orford 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 Port Orford

In Port Orford in September, the total precipitation amount is 54 mm (2.1 in) over the course of 6 days.

September Precipitation Trends in Port Orford

The chart displays monthly precipitation patterns in Port Orford, 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 Port Orford, September typically receives around 54 mm (2.1 inches) of precipitation spread over approximately 6 days.
JanFebMarAprMayJunJulAugSepOctNovDec2632671891476243255482180248
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Port Orford

In Port Orford in September humidity is 66%. With an average temperature of 15°C (59°F), this humidity feels like a thick blanket wrapping around you, making traveling somewhat uncomfortable as the warmth can easily sap your energy and leave you longing for refreshing cool breezes.

September Average Humidity in Port Orford

This chart illustrates the average monthly humidity levels in Port Orford, 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 Port Orford 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 Port Orford

In Port Orford 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 Port Orford.

Maximum UV Index Levels in Port Orford for September

The chart shows the monthly maximum UV Index (UVI) for Port Orford 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 Port Orford typically reaches 8, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec346810101098632
Data source: Port Orford 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 Port Orford Compares to Other Months

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

This table compares monthly weather conditions in Port Orford, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather9°C (49°F)263 mm (10.3 inches)84%moderate
February Weather8°C (47°F)267 mm (10.5 inches)85%moderate
March Weather9°C (48°F)189 mm (7.4 inches)86%high
April Weather10°C (51°F)147 mm (5.8 inches)83%very high
May Weather12°C (54°F)62 mm (2.4 inches)83%very high
June Weather14°C (57°F)43 mm (1.7 inches)83%very high
July Weather15°C (59°F)2 mm (0.1 inches)78%very high
August Weather15°C (60°F)5 mm (0.2 inches)67%very high
September Weather15°C (59°F)54 mm (2.1 inches)66%very high
October Weather13°C (55°F)82 mm (3.2 inches)77%high
November Weather11°C (51°F)180 mm (7.1 inches)87%moderate
December Weather9°C (49°F)248 mm (9.8 inches)87%low

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