Weather Almanac: Marysville, WA 98271

🗓️ Historical norms for September 2025

September avg. precipitation
🌧️ 1.95"
September days below freezing
📉 ≈777.7 days
Average September lows 47°F – 50°F
USDA Zone
8b
Annual extreme lows 15°F to 20°F
Last Spring Frost (36°F)
🌷 Apr 30
First Fall Frost (36°F)
🍂 Oct 7
Mon. September 1 Labor Day  

🌅 6:27 a.m.

H: 68°F – 79°F

L: 47°F – 56°F

🌇 7:49 p.m.

Tue. September 2  

🌅 6:28 a.m.

H: 68°F – 79°F

L: 47°F – 56°F

🌇 7:47 p.m.

Wed. September 3  

🌅 6:30 a.m.

H: 68°F – 79°F

L: 47°F – 56°F

🌇 7:45 p.m.

Thu. September 4  

🌅 6:31 a.m.

H: 68°F – 79°F

L: 47°F – 55°F

🌇 7:43 p.m.

Fri. September 5  

🌅 6:32 a.m.

H: 67°F – 78°F

L: 47°F – 55°F

🌇 7:41 p.m.

Sat. September 6  

🌅 6:34 a.m.

H: 67°F – 78°F

L: 46°F – 55°F

🌇 7:38 p.m.

Sun. September 7 🌕

🌅 6:35 a.m.

H: 67°F – 78°F

L: 46°F – 55°F

🌇 7:36 p.m.

Mon. September 8  

🌅 6:37 a.m.

H: 67°F – 78°F

L: 46°F – 55°F

🌇 7:34 p.m.

Tue. September 9  

🌅 6:38 a.m.

H: 66°F – 78°F

L: 46°F – 55°F

🌇 7:32 p.m.

Wed. September 10  

🌅 6:39 a.m.

H: 66°F – 77°F

L: 45°F – 54°F

🌇 7:30 p.m.

Thu. September 11  

🌅 6:41 a.m.

H: 66°F – 77°F

L: 45°F – 54°F

🌇 7:28 p.m.

Fri. September 12  

🌅 6:42 a.m.

H: 66°F – 77°F

L: 45°F – 54°F

🌇 7:26 p.m.

Sat. September 13  

🌅 6:43 a.m.

H: 65°F – 77°F

L: 45°F – 54°F

🌇 7:24 p.m.

Sun. September 14 Holy Cross 🌗

🌅 6:45 a.m.

H: 65°F – 76°F

L: 44°F – 54°F

🌇 7:22 p.m.

Mon. September 15  

🌅 6:46 a.m.

H: 65°F – 76°F

L: 44°F – 53°F

🌇 7:20 p.m.

Tue. September 16  

🌅 6:47 a.m.

H: 64°F – 76°F

L: 44°F – 53°F

🌇 7:18 p.m.

Wed. September 17  

🌅 6:49 a.m.

H: 64°F – 76°F

L: 44°F – 53°F

🌇 7:16 p.m.

Thu. September 18  

🌅 6:50 a.m.

H: 64°F – 75°F

L: 43°F – 53°F

🌇 7:14 p.m.

Fri. September 19  

🌅 6:52 a.m.

H: 64°F – 75°F

L: 43°F – 53°F

🌇 7:12 p.m.

Sat. September 20  

🌅 6:53 a.m.

H: 63°F – 75°F

L: 43°F – 53°F

🌇 7:09 p.m.

Sun. September 21 🌑

🌅 6:54 a.m.

H: 63°F – 74°F

L: 43°F – 52°F

🌇 7:07 p.m.

Mon. September 22 Autumn Equinox  

🌅 6:56 a.m.

H: 63°F – 74°F

L: 42°F – 52°F

🌇 7:05 p.m.

Tue. September 23  

🌅 6:57 a.m.

H: 62°F – 74°F

L: 42°F – 52°F

🌇 7:03 p.m.

Wed. September 24  

🌅 6:59 a.m.

H: 62°F – 73°F

L: 42°F – 52°F

🌇 7:01 p.m.

Thu. September 25  

🌅 7:00 a.m.

H: 62°F – 73°F

L: 41°F – 52°F

🌇 6:59 p.m.

Fri. September 26  

🌅 7:01 a.m.

H: 61°F – 73°F

L: 41°F – 52°F

🌇 6:57 p.m.

Sat. September 27  

🌅 7:03 a.m.

H: 61°F – 72°F

L: 41°F – 51°F

🌇 6:55 p.m.

Sun. September 28  

🌅 7:04 a.m.

H: 61°F – 72°F

L: 41°F – 51°F

🌇 6:53 p.m.

Mon. September 29 🌓

🌅 7:06 a.m.

H: 61°F – 72°F

L: 40°F – 51°F

🌇 6:51 p.m.

Tue. September 30  

🌅 7:07 a.m.

H: 60°F – 71°F

L: 40°F – 51°F

🌇 6:49 p.m.


Temperature climatic data from weather station: EVERETT (USC00452675)

Precipitation climatic data from weather station: EVERETT (USC00452675)

Agricultural climatic data from weather station: EVERETT (USC00452675)