🌷 Your Ultimate Garden Calendar!

Weather Almanac: Chewelah, WA 99109

🗓️ Historical norms for September

August October
Jan. Feb. Mar. Apr. May. Jun. Jul. Aug. Sep. Oct. Nov. Dec.
September avg. precipitation
🌧️ 0.82"
September days below freezing
📉 ≈4.3 days
Average September lows 36°F – 40°F
USDA Zone
6a
Annual extreme lows -10°F to -5°F
Last Spring Frost (36°F)
🌷 Always
View full details
First Fall Frost (36°F)
🍂 Always
View full details

Book Recommendations (ads!)

📚 Pacific Northwest Month-by-Month Gardening: What to Do Each Month to Have a Beautiful Garden All Year

📚 Gardening in the Pacific Northwest: The Complete Homeowner's Guide

📚 Growing Vegetables West of the Cascades, 35th Anniversary Edition: The Complete Guide to Organic Gardening

F: Forecast
H: Normal High Temp
L: Normal Low Temp
Jan. Feb. Mar. Apr. May. Jun. Jul. Aug. Sep. Oct. Nov. Dec.

Temperature climatic data from weather station: CHEWELAH (USC00451395)

Precipitation climatic data from weather station: CHEWELAH (USC00451395)

Agricultural climatic data from weather station: CHEWELAH (USC00451395)