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September Normals for Twisp, WA

< August October > Day Temperatures (°F) Precipitation (in) Degree Days Min Max Avg Heating Cooling 1 45 82 64 0.03 4 2 2 44 82 63 0.02 4 2 3 44 82 63 0.02 4 2 4 44 81 62 0.02 5 2 5 43 81 62 0.02 5 2 6 43 81 62 0.02 5 2 7 43 80 61 0.02 5 2 8 42 80 61 0.02 6 2 9 42 79 61 0.02 6 2 10 41 79 60 0.02 6 2 11 41 79 60 0.02 6 1 12 41 78 60 0.02 7 1 13 40 78 59 0.02 7 1 14 40 78 59 0.02 7 1 15 40 77 59 0.02 8 1 16 39 77 58 0.02 8 1 17 39 77 58 0.02 8 1 18 39 76 57 0.02 8 1 19 38 76 57 0.02 9 1 20 38 75 57 0.02 9 1 21 38 75 56 0.02 9 1 22 37 75 56 0.02 10 1 23 37 74 56 0.02 10 1 24 37 74 55 0.02 10 1 25 36 73 55 0.02 11 1 26 36 73 54 0.02 11 0 27 36 73 54 0.02 11 0 28 35 72 54 0.02 12 0 29 35 72 53 0.02 12 0 30 35 71 53 0.02 12 0 Month 40 77 58 0.61 235 35 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