Everett
Washington, USA
Long-term weather forecast
Long-term weather forecast

September weather forecast and climate
Everett, WA

A boat on the large Snohomish River flowing near the city of Everett in Washington, with the hot sun rays hitting the water below, a road bridge
A boat on the large Snohomish River flowing near the city of Everett in Washington, with the hot sun rays hitting the water below, a road bridge
September, the first month of the autumn, in Everett, is still a comfortable month, with average temperature varying between 48.4°F (9.1°C) and 67.8°F (19.9°C).

Temperature

In Everett, Washington, the average high-temperature is relatively the same as in August - a comfortable 67.8°F (19.9°C). In Everett, the average low-temperature is 48.4°F (9.1°C).

Rainfall

In September, in Everett, the rain falls for 9 days. Throughout September, 2" (50.3mm) of precipitation is accumulated. In Everett, during the entire year, the rain falls for 163 days and collects up to 35.7" (907.1mm) of precipitation.

Snowfall

In Everett snow does not fall in May through October.

Ocean temperature

In September, the average ocean temperature in Everett is 53.2°F (11.8°C).
Note: 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.

Daylight

In September, the average length of the day in Everett, Washington, is 12.5h.

What is the temperature in September in Everett?

The average high-temperature, in September, is 67.8°F (19.9°C), while the average low-temperature is 48.4°F (9.1°C).

How much does it rain in Everett in September?

In Everett, Washington, in September, during 9 rainfall days, 2" (50.3mm) of precipitation is typically accumulated.

When it does not snow in Everett?

May through October are months without snowfall in Everett.

What is the ocean temperature in September in Everett?

In Everett, Washington, 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.

What is the average length of the day in September in Everett?

In Everett, Washington, the average length of the day in September is 12.5h.
Average temperature in September - Everett, WA
  • Average high temperature in September: 19.9°C

Warmest months (with the highest average high temperature) are July and August (22.6°C).
The month with the lowest average high temperature is January (7.2°C).

  • Average low temperature in September: 9.1°C

Months with the highest average low temperature are July and August (11.6°C).
The coldest month (with the lowest average low temperature) is January (0.6°C).

Average rainfall in September - Everett, WA
  • Average rainfall in September: 50.3mm

The wettest month (with the highest rainfall) is December (126mm).
The driest month (with the lowest rainfall) is July (26.4mm).

Average rainfall days in September - Everett, WA
  • Average rainfall days in September: 9 days

Months with the highest number of rainy days are January and December (19 days).
Months with the lowest number of rainy days are July and August (6 days).

Average snowfall in September - Everett, WA
  • Average snowfall in September: 0mm

The month with the highest snowfall is January (83.8mm).
Months with the lowest snowfall are May, June, July, August, September and October (0mm).

Average sea temperature in September - Everett, WA
  • Average sea temperature in September: 11.8°C

The best month for swimming (with the highest average sea temperature) is August (12°C).
The coldest month (with the lowest average sea temperature) is February (7.4°C).

Average daylight in September - Everett, WA
  • Average daylight in September: 12.5h

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