Port Gamble
Washington, USA
Long-term weather forecast
Long-term weather forecast

September weather forecast and climate
Port Gamble, WA

The first month of the autumn, September, is also an enjoyable month in Port Gamble, Washington, with temperature in the range of an average low of 51.8°F (11°C) and an average high of 67.3°F (19.6°C).

Temperature

In September, the average high-temperature marginally drops, from a warm 73.6°F (23.1°C) in August, to a comfortable 67.3°F (19.6°C). In September, in Port Gamble, the average low-temperature is 51.8°F (11°C).

Humidity

In Port Gamble, the average relative humidity is 76%.

Rainfall

In Port Gamble, during September, the rain falls for 11.3 days and regularly aggregates up to 1.22" (31mm) of precipitation. In Port Gamble, during the entire year, the rain falls for 179.1 days and collects up to 24.57" (624mm) of precipitation.

Snowfall

May through October are months without snowfall in Port Gamble.

Ocean temperature

August and September, with an average ocean temperature of 53.2°F (11.8°C), are months with the warmest seawater in Port Gamble.
Note: At temperatures below 50°F (10°C), swimming in a suitably protected swimsuit is feasible; otherwise, cold shock and loss of breathing control are imminent. Even a short swim, without thermal protection, at temperatures around 55.4°F (13°C) is not comfortable.

Daylight

In September, the average length of the day in Port Gamble is 12.5h.

Sunshine

The average sunshine in September is 9.6h.

UV index

In Port Gamble, the average daily maximum UV index is 4. A UV Index of 3 to 5 symbolizes a medium vulnerability from unprotected exposure to the Sun's UV rays for average individuals.
Note: The daily maximum UV index of 4 in September interpret into the following advice:
Take precautions - Protection against sun damage is advised. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. A wide-brim hat offers excellent sun protection for eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun.

What is the temperature in September in Port Gamble?

The average high-temperature, in September, is 67.3°F (19.6°C), while the average low-temperature is 51.8°F (11°C).

What is the average humidity in September in Port Gamble?

The average relative humidity in September in Port Gamble is 76%.

How many days does it rain in September in Port Gamble?

In Port Gamble, Washington, in September, during 11.3 rainfall days, 1.22" (31mm) of precipitation is typically accumulated.

When it does not snow in Port Gamble?

May through October are months without snowfall in Port Gamble.

What are the months with the warmest ocean in Port Gamble?

August and September, with an average ocean temperature of 53.2°F (11.8°C), are months with the warmest seawater.

How cold is the water in September in Port Gamble?

In Port Gamble, in September, the average water temperature is 53.2°F (11.8°C). Swimming in 53.2°F (11.8°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.

How many hours of daylight does Port Gamble have in September?

The average length of the day in September in Port Gamble is 12.5h.

How many hours of sunshine does Port Gamble have in September?

In Port Gamble, Washington, the average sunshine in September is 9.6h.

How high is the UV index in September in Port Gamble?

The average daily maximum UV index in September in Port Gamble, Washington, is 4. A UV Index value of 3 to 5 symbolizes a medium health risk from unsafe exposure to the Sun's UV rays.
Average temperature in September - Port Gamble, WA
  • Average high temperature in September: 67.3°F

The warmest month (with the highest average high temperature) is August (73.6°F).
The month with the lowest average high temperature is December (43.2°F).

  • Average low temperature in September: 51.8°F

The month with the highest average low temperature is August (54.9°F).
The coldest month (with the lowest average low temperature) is February (36.1°F).

Average humidity in September - Port Gamble, WA
  • Average humidity in September: 76%

Months with the highest relative humidity are January and December (85%).
The month with the lowest relative humidity is July (71%).

Average rainfall in September - Port Gamble, WA
  • Average rainfall in September: 1.22"

The wettest month (with the highest rainfall) is January (3.74").
The driest month (with the least rainfall) is July (0.43").

Average rainfall days in September - Port Gamble, WA
  • Average rainfall days in September: 11.3 days

The month with the highest number of rainy days is March (20.9 days).
The month with the least rainy days is August (6.3 days).

Average snowfall in September - Port Gamble, WA
  • Average snowfall in September: 0"

The month with the highest snowfall is February (2.09").
Months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in September - Port Gamble, WA
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is February (2.8 days).
Months with the least snowfall days are May, June, July, August, September and October (0 days).

Average sea temperature in September - Port Gamble, WA
  • Average sea temperature in September: 53.1°F

The best month for swimming (with the highest average sea temperature) is August (53.2°F).
The coldest month (with the lowest average sea temperature) is February (45.3°F).

Average daylight in September / Average sunshine in September - Port Gamble, WA
  • Average daylight in September: 12.5h

The month with the longest days is June (Average daylight: 16h).
The month with the shortest days is December (Average daylight: 8.5h).

  • Average sunshine in September: 9.6h

The month with the most sunshine is August (Average sunshine: 10.9h).
Months with the least sunshine are January and December (Average sunshine: 4.8).

Average UV index in September - Port Gamble, WA
  • Average UV index in September: 4

Months with the highest UV index are June and July (UV index 5).
Months with the lowest UV index are January, February, November and December (UV index 2).