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39.41955, -76.78025

Normals for September

Temp ( °F °C ) Precip ( " mm ) Degree Days
Min Max Avg MTD YTD Heating Cooling
1 64 18 82 28 73 23 N/A N/A 0.3 8.1
2 64 18 81 27 73 23 N/A N/A 0.3 7.9
3 64 18 81 27 72 22 N/A N/A 0.3 7.7
4 63 17 81 27 72 22 N/A N/A 0.4 7.5
5 63 17 81 27 72 22 N/A N/A 0.5 7.3
6 63 17 80 27 72 22 N/A N/A 0.5 7.1
7 63 17 80 27 71 22 N/A N/A 0.6 6.8
8 62 17 80 26 71 22 N/A N/A 0.6 6.6
9 62 17 79 26 71 22 N/A N/A 0.6 6.3
10 62 17 79 26 70 21 N/A N/A 0.7 6
11 62 16 79 26 70 21 N/A N/A 0.7 5.7
12 61 16 78 26 70 21 N/A N/A 0.8 5.5
13 61 16 78 26 69 21 N/A N/A 0.8 5.2
14 61 16 78 25 69 21 N/A N/A 0.9 4.9
15 60 16 77 25 69 20 N/A N/A 1 4.7
16 60 15 77 25 68 20 N/A N/A 1.2 4.5
17 60 15 76 25 68 20 N/A N/A 1.3 4.2
18 59 15 76 24 68 20 N/A N/A 1.4 4
19 59 15 76 24 67 20 N/A N/A 1.5 3.7
20 58 15 75 24 67 19 N/A N/A 1.6 3.5
21 58 15 75 24 67 19 N/A N/A 1.7 3.2
22 58 14 75 24 66 19 N/A N/A 1.9 3
23 57 14 74 23 66 19 N/A N/A 2 2.8
24 57 14 74 23 65 19 N/A N/A 2.3 2.6
25 57 14 73 23 65 18 N/A N/A 2.5 2.5
26 56 13 73 23 65 18 N/A N/A 2.8 2.3
27 56 13 73 23 64 18 N/A N/A 3 2.2
28 55 13 72 22 64 18 N/A N/A 3.3 2.1
29 55 13 72 22 63 17 N/A N/A 3.6 2
30 55 13 72 22 63 17 N/A N/A 3.9 1.9

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