Weather Almanac: Ottertail, MN 56571

🗓️ Historical norms for September

September avg. precipitation
🌧️ 2.90"
September days below freezing
📉 ≈0.7 days
Average September lows 45°F – 51°F
USDA Zone
4a
Annual extreme lows -30°F to -25°F
Last Spring Frost (36°F)
🌷 May 24
First Fall Frost (36°F)
🍂 Sep 19

Temperature climatic data from weather station: OTTERTAIL (USC00216276)

Precipitation climatic data from weather station: OTTERTAIL (USC00216276)

Agricultural climatic data from weather station: OTTERTAIL (USC00216276)