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September Normals for Upper Brookville, NY

< August October > Day Temperatures (°F) Precipitation (in) Degree Days Min Max Avg Heating Cooling 1 61 80 71 0.15 0 5 2 61 80 70 0.16 0 5 3 60 80 70 0.16 0 5 4 60 79 70 0.16 0 5 5 60 79 69 0.16 0 5 6 59 79 69 0.16 0 4 7 59 79 69 0.16 0 4 8 59 78 69 0.16 0 4 9 59 78 68 0.16 0 4 10 58 78 68 0.16 1 4 11 58 77 68 0.16 1 3 12 58 77 67 0.16 1 3 13 57 77 67 0.17 1 3 14 57 76 67 0.17 1 3 15 57 76 67 0.16 1 3 16 56 76 66 0.16 1 2 17 56 76 66 0.16 2 2 18 56 75 65 0.16 2 2 19 55 75 65 0.16 2 2 20 55 74 65 0.16 2 2 21 55 74 64 0.16 2 2 22 54 74 64 0.16 3 2 23 54 73 64 0.16 3 2 24 53 73 63 0.16 3 1 25 53 73 63 0.16 3 1 26 53 72 63 0.16 4 1 27 52 72 62 0.15 4 1 28 52 72 62 0.15 4 1 29 51 71 61 0.15 5 1 30 51 71 61 0.15 5 1 Month 56 76 66 4.77 51 83 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