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September Normals for Lacy, SD

< August October > Day Temperatures (°F) Precipitation (in) Degree Days Min Max Avg Heating Cooling 1 54 83 69 0.05 2 6 2 54 83 68 0.04 2 6 3 53 82 68 0.04 2 5 4 53 82 67 0.04 3 5 5 53 81 67 0.04 3 5 6 52 81 66 0.04 3 4 7 52 80 66 0.04 3 4 8 51 80 66 0.04 3 4 9 51 79 65 0.04 4 4 10 51 79 65 0.04 4 3 11 50 79 64 0.04 4 3 12 50 78 64 0.04 4 3 13 49 78 63 0.04 4 3 14 49 77 63 0.04 5 3 15 48 77 63 0.04 5 2 16 48 76 62 0.04 5 2 17 48 76 62 0.05 5 2 18 47 75 61 0.05 6 2 19 47 75 61 0.05 6 2 20 47 75 61 0.05 6 2 21 46 74 60 0.05 6 1 22 46 74 60 0.05 7 1 23 45 73 59 0.05 7 1 24 45 73 59 0.05 7 1 25 45 72 59 0.05 7 1 26 44 72 58 0.05 8 1 27 44 72 58 0.05 8 1 28 44 71 57 0.05 8 1 29 43 71 57 0.05 9 1 30 43 70 57 0.05 9 1 Month 48 77 63 1.35 155 80 Data Controls Monthly: January February March April May June July August September October November December   | Yearly Related Maps Related Links Normal High Temperatures Normal Low Temperatures Normal Mean Temperatures Normal Precipitation - Forecast - Past Weather