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September Normals for Lyme, CT

< August October > Day Temperatures (°F) Precipitation (in) Degree Days Min Max Avg Heating Cooling 1 58 77 68 0.15 1 4 2 58 77 68 0.15 1 3 3 58 77 67 0.15 1 3 4 57 77 67 0.15 1 3 5 57 76 67 0.15 1 3 6 57 76 66 0.15 1 3 7 56 76 66 0.15 2 3 8 56 75 66 0.15 2 2 9 56 75 65 0.15 2 2 10 56 75 65 0.15 2 2 11 55 74 65 0.15 2 2 12 55 74 65 0.15 2 2 13 55 74 64 0.15 3 2 14 54 73 64 0.15 3 2 15 54 73 64 0.15 3 2 16 54 73 63 0.15 3 1 17 53 72 63 0.15 3 1 18 53 72 62 0.15 4 1 19 53 72 62 0.15 4 1 20 52 71 62 0.15 4 1 21 52 71 61 0.15 5 1 22 51 71 61 0.15 5 1 23 51 70 61 0.16 5 1 24 51 70 60 0.16 5 1 25 50 69 60 0.16 6 1 26 50 69 60 0.16 6 1 27 50 69 59 0.16 6 1 28 49 68 59 0.16 7 0 29 49 68 58 0.16 7 0 30 48 67 58 0.16 8 0 Month 54 73 63 4.58 105 50 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