Cool
Average highs are around 20°C, so pack for cooler days.
September verdict
Mixed for holiday weather
Average highs are around 20°C, so pack for cooler days. Sunshine averages 6.9h per day, enough for a balanced month. Rainfall averages 50mm, which is relatively low for holiday planning.

Monthly averages
Temp
20°C
Rain
50mm
Sun
6.9h
Weather score
52
Mixed
Cool
Average highs are around 20°C, so pack for cooler days.
Drier
Rainfall averages 50mm, which is relatively low for holiday planning.
Some sun
Sunshine averages 6.9h per day, enough for a balanced month.
Map
Compare Everett, Washington, United States with nearby places by weather score, rain, sun, temperature, and swim conditions.
September20°C average high
September sits in the warmer part of the year, so midday sightseeing can feel heavier than in cooler months.
Warmest monthsJune to September
This stretch sets the upper range for average daytime heat.
September50mm average rain
September sits on the drier side of Everett's year, which helps with sightseeing and transfers.
Driest monthsMay to September
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
September6.9 hours average sun
September sits close to Everett's yearly sunshine average, so it is a middle-of-the-pack month for bright days.
Brightest monthsJune to August
This stretch has the strongest sunshine in the monthly averages.
September52 weather score
September sits close to Everett's yearly weather-score average, giving a typical overall read on the month.
Best weather monthsJune to August
These months have the strongest weather score in the monthly averages.