Weather Almanac: West Boothbay Harbor, ME 04575

🗓️ Historical norms for September

September avg. precipitation
🌧️ 3.99"
September days below freezing
📉 ≈0.2 days
Average September lows ≈50.0°F
USDA Zone
6a
Annual extreme lows -10°F to -5°F
Last Spring Frost (36°F)
🌷 May 26
First Fall Frost (36°F)
🍂 Sep 22

Temperature climatic data from weather station: WESTPORT ISLAND (USC00179547)

Precipitation climatic data from weather station: WESTPORT ISLAND (USC00179547)

Agricultural climatic data from weather station: WISCASSET AP (USW00094623)