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Weather Almanac: Detroit, MI 48219

🗓️ Historical norms for September

August October
Jan. Feb. Mar. Apr. May. Jun. Jul. Aug. Sep. Oct. Nov. Dec.
September avg. precipitation
🌧️ 3.34"
September days below freezing
📉 ≈0.2 days
Average September lows 51°F – 55°F
USDA Zone
6b
Annual extreme lows -5°F to 0°F
Last Spring Frost (36°F)
🌷 May 19
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First Fall Frost (36°F)
🍂 Sep 30
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Book Recommendations (ads!)

📚 Michigan Month-by-Month Gardening: What to Do Each Month to Have A Beautiful Garden All Year

📚 Grow Great Vegetables Michigan

📚 Midwest Gardener's Handbook, 2nd Edition: All You Need to Know to Plan, Plant & Maintain a Midwest Garden

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: DEARBORN (USC00202015)

Precipitation climatic data from weather station: DEARBORN (USC00202015)

Agricultural climatic data from weather station: DEARBORN (USC00202015)