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September Normals for Harmans, MD

< August October > Day Temperatures (°F) Precipitation (in) Degree Days Min Max Avg Heating Cooling 1 59 83 71 0.14 0 6 2 58 83 71 0.14 0 5 3 58 82 70 0.14 0 5 4 58 82 70 0.14 0 5 5 58 82 70 0.14 0 5 6 58 82 70 0.14 0 5 7 57 82 70 0.14 0 4 8 57 81 69 0.14 0 4 9 57 81 69 0.14 0 4 10 56 81 69 0.14 0 4 11 56 81 68 0.14 0 4 12 56 80 68 0.14 0 3 13 55 80 68 0.15 0 3 14 55 80 68 0.14 1 3 15 55 80 67 0.14 1 3 16 54 79 67 0.14 1 3 17 54 79 67 0.14 1 3 18 54 79 66 0.14 1 2 19 53 78 66 0.14 1 2 20 53 78 65 0.14 2 2 21 53 78 65 0.14 2 2 22 52 77 65 0.14 2 2 23 52 77 64 0.14 3 2 24 51 77 64 0.14 3 2 25 51 76 63 0.14 3 2 26 50 76 63 0.14 3 2 27 50 75 63 0.13 4 1 28 49 75 62 0.13 4 1 29 49 75 62 0.13 4 1 30 48 74 61 0.13 5 1 Month 54 79 67 4.17 41 91 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