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September Normals for Chambersburg, PA

< August October > Day Temperatures (°F) Precipitation (in) Degree Days Min Max Avg Heating Cooling 1 59 81 70 0.11 0 5 2 59 80 70 0.12 0 5 3 58 80 69 0.12 0 5 4 58 80 69 0.12 0 4 5 58 80 69 0.12 0 4 6 58 79 69 0.12 0 4 7 57 79 68 0.12 0 4 8 57 79 68 0.13 1 4 9 57 78 68 0.13 1 3 10 57 78 67 0.13 1 3 11 56 78 67 0.13 1 3 12 56 77 67 0.13 1 3 13 56 77 66 0.13 1 3 14 55 77 66 0.13 1 2 15 55 77 66 0.13 2 2 16 55 76 65 0.13 2 2 17 54 76 65 0.13 2 2 18 54 76 65 0.13 2 2 19 54 75 64 0.13 2 2 20 53 75 64 0.13 3 2 21 53 75 64 0.13 3 1 22 52 74 63 0.13 3 1 23 52 74 63 0.12 3 1 24 52 74 63 0.12 4 1 25 51 73 62 0.12 4 1 26 51 73 62 0.12 4 1 27 50 73 61 0.12 5 1 28 50 72 61 0.12 5 1 29 49 72 61 0.11 5 1 30 49 71 60 0.11 6 1 Month 55 76 65 3.72 62 74 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