Weather Almanac: Mansfield, WA 98830

🗓️ Historical norms for September

September avg. precipitation
🌧️ 0.39"
September days below freezing
📉 ≈0.3 days
Average September lows 46°F – 51°F
USDA Zone
6b
Annual extreme lows -5°F to 0°F
Last Spring Frost (36°F)
🌷 May 17
First Fall Frost (36°F)
🍂 Sep 24

Temperature climatic data from weather station: CHIEF JOSEPH DAM (USC00451400)

Precipitation climatic data from weather station: CHIEF JOSEPH DAM (USC00451400)

Agricultural climatic data from weather station: CHIEF JOSEPH DAM (USC00451400)