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September Normals for Diablo, WA

< August October > Day Temperatures (°F) Precipitation (in) Degree Days Min Max Avg Heating Cooling 1 53 74 64 0.05 4 3 2 53 74 63 0.05 4 2 3 53 74 63 0.05 4 2 4 52 73 63 0.05 4 2 5 52 73 63 0.06 4 2 6 52 73 62 0.06 5 2 7 52 73 62 0.06 5 2 8 52 72 62 0.06 5 2 9 51 72 62 0.06 5 2 10 51 72 61 0.06 5 2 11 51 71 61 0.07 6 2 12 51 71 61 0.07 6 2 13 50 71 61 0.07 6 1 14 50 70 60 0.07 6 1 15 50 70 60 0.07 6 1 16 50 70 60 0.07 7 1 17 49 69 59 0.07 7 1 18 49 69 59 0.08 7 1 19 49 69 59 0.08 7 1 20 49 68 58 0.08 8 1 21 49 68 58 0.08 8 1 22 48 67 58 0.08 8 1 23 48 67 58 0.09 8 1 24 48 67 57 0.09 9 1 25 48 66 57 0.09 9 1 26 47 66 57 0.09 9 1 27 47 65 56 0.09 9 1 28 47 65 56 0.09 10 1 29 47 65 56 0.1 10 0 30 46 64 55 0.1 10 0 Month 50 70 60 2.19 201 41 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