Weather Almanac: Winchendon, MA 01475

🗓️ Historical norms for September

September avg. precipitation
🌧️ 3.70"
September days below freezing
📉 ≈3.1 days
Average September lows 43°F – 48°F
USDA Zone
5b
Annual extreme lows -15°F to -10°F
Last Spring Frost (36°F)
🌷 Jun 3
First Fall Frost (36°F)
🍂 Sep 5

Temperature climatic data from weather station: BIRCH HILL DAM (USC00190666)

Precipitation climatic data from weather station: BIRCH HILL DAM (USC00190666)

Agricultural climatic data from weather station: BIRCH HILL DAM (USC00190666)