September weather forecastPort Orford, OR

The intense road vein network and the dense tree cover in the scenic town of Port Orford, Oregon

September

Weather in September

September, the first month of the autumn in Port Orford, is still a comfortable month, with temperature in the range of an average low of 54.1°F (12.3°C) and an average high of 65.3°F (18.5°C).

Temperature

The beginning of September reveals an average high-temperature of a still enjoyable 65.3°F (18.5°C), showing minimal deviation from the previous month. In September, Port Orford experiences an average nighttime temperature of 54.1°F (12.3°C).

Humidity

The least humid month is September, with an average relative humidity of 78%.

Rainfall

In September, the rain falls for 4.5 days. Throughout September, 0.43" (11mm) of precipitation is accumulated. Throughout the year, there are 110.4 rainfall days, and 22.2" (564mm) of precipitation is accumulated.

Snowfall

January, March through December are months without snowfall.

Ocean temperature

In September, the average ocean temperature is 54°F (12.2°C).
Note: Swimming in 54°F (12.2°C) can be lethal. Merely spending a few minutes in 55.4°F (13°C) waters feels harsh, and venturing below 50°F (10°C) might disrupt breathing control and bring about cold shock, contingent on individual resilience.

Daylight

The average length of the day in September is 12h and 28min.
On the first day of the month, sunrise is at 6:43 am and sunset at 7:51 pm. On the last day of September, in Port Orford, sunrise is at 7:15 am and sunset at 7:00 pm PDT.

Sunshine

In September, the average sunshine is 10.1h.

UV index

In Port Orford, the average daily maximum UV index in September is 4. A UV Index value of 3 to 5 symbolizes a medium health hazard from unsafe exposure to UV radiation for the ordinary person.
Note: In September, the maximum UV index of 4 transforms into these recommendations:
Adopt protective measures - It is advised to guard against sun damage. Midday Sun has the strongest UV rays, making it crucial to limit exposure and find shade. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck.

Updated: Jul 24, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

The average high-temperature and low-temperature during September are 65.3°F (18.5°C) and 54.1°F (12.3°C) respectively.

With an average relative humidity of 78%, September is the least humid month.

The average relative humidity in September is 78%.

In September, the rain falls for 4.5 days. Throughout September, 0.43" (11mm) of precipitation is accumulated.

January, March through December are months without snowfall.

In September, the average ocean temperature is 54°F (12.2°C). Swimming in 54°F (12.2°C) is considered life-threatening. Even a few minutes in 55.4°F (13°C) water is uncomfortable, and swimming below 50°F (10°C) may cause total loss of breathing control and cold shock, depending on a person's physique.

In September, the average day length in Port Orford is 12h and 28min.

In September, on the first day of the month, sunrise is at 6:43 am and sunset at 7:51 pm. On the last day of the month, sunrise is at 7:15 am and sunset at 7:00 pm PDT.

In September, the average sunshine duration is 10.1h.

The average daily maximum UV index in September is 4. A UV Index estimate of 3 to 5 represents a moderate vulnerability from exposure to the Sun's UV radiation.

Today

Tomorrow

Long-term

Year J F M A M J J A September O N D

Aug

September

Oct

Average high temperature

66.7°F

65.3°F

59.9°F

Average low temperature

Average pressure

Average wind speed

Average max. wind speed

10.3mph

9.6mph

10.2mph

Average wind speed gusts

Average humidity

Average rainfall

Average rainfall days

2.5

4.5

9.4

Average snowfall

Average snowfall days

Average sea temperature

Average daylight

Average sunshine

Average sunshine days

27.6

25.4

Average UV index

Average cloud cover

Average visibility

Average temperature in September
Port Orford, OR

Average high temperature in September: 65.3°F

The warmest month (with the highest average high temperature) is August (66.7°F).
The month with the lowest average high temperature is February (50.5°F).

Average low temperature in September: 54.1°F

The month with the highest average low temperature is August (55°F).
The coldest month (with the lowest average low temperature) is March (43.5°F).

Average pressure in September
Port Orford, OR

Average pressure in September: 30.01"Hg

The month with the highest atmospheric pressure is January (30.11"Hg).
The months with the lowest atmospheric pressure are August and September (30.01"Hg).

Average wind speed in September
Port Orford, OR

Average wind speed in September: 9.1mph

The windiest month (with the highest average wind speed) is June (11.6mph).
The calmest month (with the lowest average wind speed) is September (9.1mph).

Average humidity in September
Port Orford, OR

Average humidity in September: 78%

The month with the highest relative humidity is March (82%).
The month with the lowest relative humidity is September (78%).

Average rainfall in September
Port Orford, OR

Average rainfall in September: 0.43"

The wettest month (with the highest rainfall) is December (3.82").
The driest month (with the least rainfall) is July (0.08").

Average rainfall days in September
Port Orford, OR

Average rainfall days in September: 4.5 days

The month with the highest number of rainy days is March (15.3 days).
The month with the least rainy days is July (1.3 days).

Average snowfall in September
Port Orford, OR

Average snowfall in September: 0"

The month with the highest snowfall is February (0.28").
The months with the least snowfall are January, March, April, May, June, July, August, September, October, November and December (0").

Average snowfall days in September
Port Orford, OR

Average snowfall days in September: 0 days

The month with the highest number of snowfall days is February (0.3 days).
The months with the least snowfall days are January, March, April, May, June, July, August, September, October and November (0 days).

Average sea temperature in September
Port Orford, OR

Average sea temperature in September: 54°F

The best month for swimming (with the highest average sea temperature) is July (54.9°F).
The coldest months (with the lowest average sea temperature) are February and March (50.5°F).

Average daylight in September /
Average sunshine in September
Port Orford, OR

Average daylight in September: 12h and 30min

The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 6min).

Average sunshine in September: 10h and 6min

The month with the most sunshine is July (Average sunshine: 11h and 48min).
The month with the least sunshine is January (Average sunshine: 4h and 42min).

Average sunshine days in September
Port Orford, OR

Average sunshine days in September: 25.4 days

The month with the most sunshine days is July (29.1 days).
The month with the least sunshine days is February (13.6 days).

Average UV index in September
Port Orford, OR

Average UV index in September: 4

The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January, February, March, November and December (UV index 3).

Average cloud cover in September
Port Orford, OR

Average cloud cover in September: 18

The month with the most cloud cover is March (Cloud cover 50).
The month with the least cloud cover is July (Cloud cover 10).

Average visibility in September
Port Orford, OR

Average visibility in September: 6mi

The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).