Everett (WA)
September
Weather in Everett, Washington for September 2026
Your guide to Everett weather in September - trends and predictions
In general, the average temperature in Everett at the beginning of September is 23.7 °F. As the month progressed, temperatures tended to significantly cool down, reaching an average of 17.1 °F by the end of September.
Everett experiences moderate rainfall in September, with an average of 6 rainy days and a total precipitation of 49.4 mm.
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Temperatures
Rain 🌧️
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24
Dry days
6
Rainy days
0
Snow days
19°/11°
Temperatures
9 km/h
Avg max wind
81 %
Avg humidity
Everett Weather September
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Temperatures trend during September in Everett
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September weather in Everett day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| Sept. 1 |  Partly cloudy | 23° /14° | 0 mm | 6 | |
| Sept. 2 |  Fog | 22° /12° | 0 mm | 5 | |
| Sept. 3 |  Patchy rain possible | 22° /13° | 0 mm | 5 | |
| Sept. 4 | Fog | 24° /13° | 0 mm | 5 | |
| Sept. 5 |  Sunny | 29° /15° | 0 mm | 8 | |
| Sept. 6 | Sunny | 25° /15° | 0 mm | 6 | |
| Sept. 7 | Partly cloudy | 21° /14° | 19.5 mm | 5 | |
| Sept. 8 | Sunny | 23° /14° | 0 mm | 6 | |
| Sept. 9 | Fog | 20° /12° | 0 mm | 5 | |
| Sept. 10 | Patchy rain possible | 18° /11° | 0 mm | 5 | |
| Sept. 11 |  Light rain | 14° /11° | 2 mm | 4 | |
| Sept. 12 | Fog | 18° /11° | 0.1 mm | 4 | |
| Sept. 13 | Mist | 18° /10° | 0.6 mm | 5 | |
| Sept. 14 | Light rain shower | 17° /11° | 3.7 mm | 4 | |
| Sept. 15 | Fog | 19° /10° | 0 mm | 5 | |
| Sept. 16 | Mist | 25° /9° | 0 mm | 6 | |
| Sept. 17 | Fog | 19° /12° | 0 mm | 5 | |
| Sept. 18 | Fog | 15° /12° | 0 mm | 4 | |
| Sept. 19 | Mist | 17° /9° | 0 mm | 4 | |
| Sept. 20 | Mist | 19° /9° | 0 mm | 5 | |
| Sept. 21 | Mist | 17° /9° | 16.2 mm | 4 | |
| Sept. 22 |  Overcast | 19° /9° | 0 mm | 5 | |
| Sept. 23 | Mist | 21° /13° | 0 mm | 5 | |
| Sept. 24 | Mist | 20° /10° | 0 mm | 5 | |
| Sept. 25 |  Moderate or heavy rain with thunder | 14° /10° | 10.4 mm | 4 | |
| Sept. 26 |  Moderate rain at times | 17° /9° | 7 mm | 4 | |
| Sept. 27 | Mist | 19° /12° | 2.1 mm | 5 | |
| Sept. 28 | Mist | 17° /10° | 0 mm | 4 | |
| Sept. 29 | Mist | 16° /9° | 11.2 mm | 4 | |
| Sept. 30 |  Cloudy | 17° /9° | 0 mm | 4 | |
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Important Notice
Our weather forecast for Everett in September is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Everett forecast closer to your planned date for the most up-to-date weather information.
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Everett in September - FAQ
What are the expected maximum and minimum temperatures in Everett during September?
Enjoy moderate daytime temperatures of up to 19° and cooler nights around 11°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Everett during September?
In September, Everett can expect light to moderate rainfall, totaling 49.4 mm across approximately 6 days. Occasional showers are possible, and planning ahead for them could be helpful.
What are the typical wind conditions in Everett during September?
The average wind speed in Everett during September is 9 km/h, suggesting breezy to windy conditions, depending on your activities.
September rainfall patterns in Everett
Explore the daily rainfall trends and prepare for Everetts September weather 💧
UV exposure in Everett during September
Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
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