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Climatological Normals

September Normals for Tyngsboro, MA

< August October > Day Temperatures (°F) Precipitation (in) Degree Days Min Max Avg Heating Cooling 1 49 77 63 0.11 3 1 2 49 77 63 0.11 4 1 3 48 76 62 0.11 4 1 4 48 76 62 0.11 4 1 5 48 76 62 0.11 4 1 6 47 75 61 0.11 4 1 7 47 75 61 0.11 5 0 8 46 75 61 0.11 5 0 9 46 74 60 0.11 5 0 10 46 74 60 0.11 5 0 11 45 74 60 0.11 6 0 12 45 74 59 0.11 6 0 13 45 73 59 0.1 6 0 14 44 73 59 0.1 7 0 15 44 73 58 0.11 7 0 16 43 72 58 0.11 7 0 17 43 72 57 0.11 8 0 18 43 71 57 0.11 8 0 19 42 71 57 0.11 8 0 20 42 71 56 0.11 9 0 21 41 70 56 0.11 9 0 22 41 70 56 0.11 9 0 23 41 70 55 0.11 10 0 24 40 69 55 0.11 10 0 25 40 69 54 0.11 10 0 26 39 69 54 0.11 11 0 27 39 68 54 0.11 11 0 28 38 68 53 0.11 12 0 29 38 67 53 0.11 12 0 30 38 67 52 0.11 12 0 Month 44 72 58 3.28 221 6 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