World sea water temperatures

Water temperature in Everett (WA) in September

Is it warm enough to swim in Everett in September? Average water temperature in Everett in September is 56.7°F and therefore is not suitable for comfortable swimming. The warmest sea in Everett in September is 64.4°F, and the coldest is 51.4°F. Average high air temperature in Everett in September is 68°F, and average low temperature is 48°F. To find out the sea temperature today and in the coming days, go to Current sea temperature in Everett

Changes water temperature in Everett in September 2025, 2024

To get an accurate forecast for the water temperature in Everett for any chosen month, compare two years within a 10 year range using the chart below. In addition to the sea water temperature in Everett, the selected years in the table also show the values of the maximum and minimum temperatures on each of the days of September.

You can choose any other years:

Year 1:   Year 2:


Day 2025 2024 Min Max
September 163.7°F63°F53.6°F64.4°F
September 263°F61.3°F53.2°F64.4°F
September 363.3°F61.5°F53.2°F63.3°F
September 462.8°F61.9°F53.1°F62.8°F
September 5 62.2°F53.1°F62.2°F
September 6 63.9°F53.2°F63.9°F
September 7 64°F53.2°F64°F
September 8 63°F53.2°F63°F
September 9 63.5°F53.1°F63.5°F
September 10 62.1°F53.2°F62.1°F
September 11 61°F53.4°F61°F
September 12 60.3°F53.6°F60.6°F
September 13 61.2°F53.8°F61.2°F
September 14 60.3°F53.8°F60.3°F
September 15 59.4°F53.6°F59.5°F
Day 2025 2024 Min Max
September 16 58.5°F53.4°F59.5°F
September 17 59°F53.2°F59°F
September 18 59.4°F53.1°F59.4°F
September 19 58.3°F52.9°F58.6°F
September 20 57.9°F52.7°F57.9°F
September 21 58.6°F52.7°F58.8°F
September 22 58.1°F52.7°F58.5°F
September 23 59°F52.7°F59°F
September 24 58.8°F52.5°F58.8°F
September 25 58.6°F52.5°F58.6°F
September 26 58.1°F52.3°F58.6°F
September 27 56.5°F52.3°F58.6°F
September 28 56.1°F52°F57.7°F
September 29 55.9°F51.8°F57.9°F
September 30 56.7°F51.4°F57.4°F
Everett water temp chart in September

Average water temperature in Everett in September over a decade

20152016201720182019
56.8°F56.7°F57°F57.6°F59.2°F
20202021202220232024
58.8°F58.3°F58.8°F58.5°F59.9°F

Everett sea state in September

Chart comparing the height of waves in Everett in September over the past years. The red line indicates the height of the waves when swimming in the sea is prohibited. To view the current sea conditions, click on the graph.

Waves height in Everett in September

Weather and climate in Everett in September

This data display average monthly climate indicators in Everett in September based on our historical weather readings over a period of ten years. In addition to temperature, we include data on the number of rainy and sunny days so you can have all the information about your destination before your trip

  • Average HIGH temperature68°F
  • Average LOW temperature48°F
  • Average rainfall days9 days
  • Average rainfall51mm/2''

Everett water temperature during other months:

You can also view information about water temperature for other months by clicking on the month button below

Where is the warm sea water in September?

Want to know where the water temperature in September is good for swimming? Select the continent of interest, the day of the month and the required water temperature

Region
Date (day and month)
Water temperature: min 60°F
 Average temperature  Maximum temperature

Temperature in neighboring cities

The nearest locations with the average water temperature in September. In addition, the maximum and minimum water temperatures for that month, recorded over the last decade, are shown

AvrMinMax
Tulalip56.7°F51.4°F64°F
Warm Beach56.7°F51.3°F64.6°F
Langley56.5°F51.3°F62.8°F
Mukilteo56.5°F51.4°F62.8°F
Clinton56.5°F51.4°F62.8°F
Meadowdale56.3°F51.4°F61.3°F
Mutiny Bay55.8°F51.4°F59.7°F
Seattle55.9°F51.4°F60.4°F
Whidbey Island55.9°F51.4°F60.4°F
Camano55.6°F50.5°F62.4°F

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[1] - The "Blue Flag" is awarded to beaches which fulfill a number of criteria, including: the quality of the bathing water, which must be in accordance with the relevant European Union Directive environmental education and information and beach area management and safety.

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Our report for Everett is compiled using satellite data together with in-situ observations to get the most reliable daily data of sea surface temperatures, surf forecasts, current temperatures and weather forecasts.

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