September weather forecast
Freeland, WA

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Weather in September

September, the first month of the autumn in Freeland, is also an enjoyable month, with temperature in the range of an average high of 63.1°F (17.3°C) and an average low of 52.7°F (11.5°C).

Temperature

September welcomes an average high-temperature of a still refreshing 63.1°F (17.3°C), not much different from the preceding month. Throughout September, Freeland anticipates an average low-temperature of 52.7°F (11.5°C).

Humidity

In Freeland, the average relative humidity in September is 79%.

Rainfall

In September, the rain falls for 12.5 days. Throughout September, 1.5" (38mm) of precipitation is accumulated. Throughout the year, in Freeland, there are 180.3 rainfall days, and 21.85" (555mm) of precipitation is accumulated.

Snowfall

May through October are months without snowfall in Freeland.

Ocean temperature

August and September, with an average ocean temperature of 53.1°F (11.7°C), are months with the warmest seawater in Freeland, Washington.
Note: Beware when you're in 53.1°F (11.7°C) waters; 55.4°F (13°C) is chilling and anything below 50°F (10°C) could cause breathing hindrance and a sudden cold shock, given your physical condition.

Daylight

In Freeland, the average length of the day in September is 12h and 33min.
On the first day of the month, sunrise is at 6:29 am and sunset at 7:50 pm. On the last day of September, in Freeland, sunrise is at 7:09 am and sunset at 6:50 pm PDT.

Sunshine

The average sunshine in September is 9.5h.

UV index

In September, the average daily maximum UV index in Freeland is 4. A UV Index of 3 to 5 symbolizes a medium vulnerability from unsafe exposure to UV radiation for the ordinary person.
Note: In September, the maximum UV index of 4 transforms into these recommendations:
Undertake protective steps - Obligation to safeguard skin and eyes from harm is in place. To avoid the Sun's strongest rays, limit exposure around the mid-day period. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense.
Updated: Feb 14, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are the temperatures in Freeland in September?

In Freeland, in September, the average high-temperature is 63.1°F (17.3°C), and the average low-temperature is 52.7°F (11.5°C).

What is the average humidity in September in Freeland?

In Freeland, the average relative humidity in September is 79%.

How much does it rain in Freeland in September?

In September, in Freeland, the rain falls for 12.5 days. Throughout September, 1.5" (38mm) of precipitation is accumulated.

When it does not snow in Freeland?

May through October are months without snowfall in Freeland.

What are the months with the warmest ocean in Freeland?

The months with the warmest seawater in Freeland, Washington, are August and September, with an average ocean temperature of 53.1°F (11.7°C).

What is the ocean temperature in September in Freeland?

In Freeland, the average seawater temperature in September is 53.1°F (11.7°C). 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.

How many hours of daylight does Freeland have in September?

The average day length in September in Freeland, Washington, is 12h and 33min.

When is the sunrise / sunset in September in Freeland?

On the first day of September in Freeland, sunrise is at 6:29 am and sunset at 7:50 pm. On the last day of the month, sunrise is at 7:09 am and sunset at 6:50 pm PDT.

How long on average sun shines in September in Freeland?

In September, the average sunshine duration in Freeland, Washington, is 9.5h.

What is the UV index reading in September in Freeland?

The average daily maximum UV index in September is 4. A UV Index reading of 3 to 5 represents a medium health risk from exposure to the Sun's UV radiation.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Freeland, WA

Average temperature in September - Freeland, WA
  • Average high temperature in September: 63.1°F

The warmest month (with the highest average high temperature) is August (67.8°F).
The month with the lowest average high temperature is December (43°F).

  • Average low temperature in September: 52.7°F

The month with the highest average low temperature is August (55.4°F).
The coldest month (with the lowest average low temperature) is February (37.4°F).

Average pressure in September
Freeland, WA

Average pressure in September - Freeland, WA
  • Average pressure in September: 30.01"Hg

The month with the highest atmospheric pressure is January (30.08"Hg).
The months with the lowest atmospheric pressure are March and September (30.01"Hg).

Average wind speed in September
Freeland, WA

Average wind speed in September - Freeland, WA
  • Average wind speed in September: 4.3mph

The windiest month (with the highest average wind speed) is November (7.4mph).
The calmest month (with the lowest average wind speed) is August (4mph).

Average humidity in September
Freeland, WA

Average humidity in September - Freeland, WA
  • Average humidity in September: 79%

The month with the highest relative humidity is January (83%).
The month with the lowest relative humidity is July (75%).

Average rainfall in September
Freeland, WA

Average rainfall in September - Freeland, WA
  • Average rainfall in September: 1.5"

The wettest month (with the highest rainfall) is November (2.91").
The driest month (with the least rainfall) is July (0.43").

Average rainfall days in September
Freeland, WA

Average rainfall days in September - Freeland, WA
  • Average rainfall days in September: 12.5 days

The month with the highest number of rainy days is March (20.7 days).
The month with the least rainy days is August (6.6 days).

Average snowfall in September
Freeland, WA

Average snowfall in September - Freeland, WA
  • Average snowfall in September: 0"

The month with the highest snowfall is February (2.87").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in September
Freeland, WA

Average snowfall days in September - Freeland, WA
  • Average snowfall days in September: 0 days

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

Average sea temperature in September
Freeland, WA

Average sea temperature in September - Freeland, WA
  • Average sea temperature in September: 52.9°F

The best month for swimming (with the highest average sea temperature) is August (53°F).
The coldest month (with the lowest average sea temperature) is February (45°F).

Average daylight in September /
Average sunshine in September
Freeland, WA

Average daylight in September / Average sunshine in September - Freeland, WA
  • Average daylight in September: 12h and 4min

The month with the longest days is June (Average daylight: 16h and 0min).
The month with the shortest days is December (Average daylight: 8h and 30min).

  • Average sunshine in September: 9h and 3min

The month with the most sunshine is August (Average sunshine: 11h and 0min).
The month with the least sunshine is January (Average sunshine: 4h and 48min).

Average sunshine days in September
Freeland, WA

Average sunshine days in September - Freeland, WA
  • Average sunshine days in September: 15.6 days

The month with the most sunshine days is August (22.3 days).
The month with the least sunshine days is March (8.2 days).

Average UV index in September
Freeland, WA

Average UV index in September - Freeland, WA
  • Average UV index in September: 4

The month with the highest UV index is July (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 2).

Average cloud cover in September
Freeland, WA

Average cloud cover in September - Freeland, WA
  • Average cloud cover in September: 30

The months with the most cloud cover are January, February and December (Cloud cover 50).
The month with the least cloud cover is August (Cloud cover 21).

Average visibility in September
Freeland, WA

Average visibility in September - Freeland, WA
  • 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).

Freeland, Washington, USA

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