Weather Almanac: Alamosa, CO 81101

🗓️ Historical norms for September

September avg. precipitation
🌧️ 1.11"
September days below freezing
📉 ≈10.0 days
Average September lows ≈35.4°F
USDA Zone
4b
Annual extreme lows -25°F to -20°F
Last Spring Frost (36°F)
🌷 Always
First Fall Frost (36°F)
🍂 Always

Temperature climatic data from weather station: ALAMOSA 2S (USC00050128)

Precipitation climatic data from weather station: ALAMOSA 2S (USC00050128)

Agricultural climatic data from weather station: ALAMOSA SAN LUIS AP (USW00023061)