Weather Almanac: Riverside, CT 06878

🗓️ Historical norms for September

September avg. precipitation
🌧️ 4.69"
September days below freezing
📉 ≈0.0 days
Average September lows 52°F – 56°F
USDA Zone
7b
Annual extreme lows 5°F to 10°F
Last Spring Frost (36°F)
🌷 May 13
First Fall Frost (36°F)
🍂 Oct 2

Temperature climatic data from weather station: STAMFORD 5 N (USC00067970)

Precipitation climatic data from weather station: PUTNAM LAKE (USC00066655)

Agricultural climatic data from weather station: STAMFORD 5 N (USC00067970)