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38.97859, -76.49184

Normals for September

Temp ( °F °C ) Precip ( " mm ) Degree Days
Min Max Avg MTD YTD Heating Cooling
1 69 20 85 29 77 25 N/A N/A 0 11.7
2 69 20 84 29 77 25 N/A N/A 0 11.5
3 68 20 84 29 76 25 N/A N/A 0 11.3
4 68 20 84 29 76 25 N/A N/A 0 11.1
5 68 20 84 29 76 24 N/A N/A 0 10.8
6 68 20 83 29 76 24 N/A N/A 0 10.6
7 68 20 83 28 75 24 N/A N/A 0 10.3
8 67 20 83 28 75 24 N/A N/A 0 10.1
9 67 19 83 28 75 24 N/A N/A 0 9.8
10 67 19 82 28 75 24 N/A N/A 0 9.5
11 66 19 82 28 74 23 N/A N/A 0.1 9.2
12 66 19 82 28 74 23 N/A N/A 0.1 8.9
13 66 19 81 27 74 23 N/A N/A 0.1 8.6
14 65 19 81 27 73 23 N/A N/A 0.1 8.3
15 65 18 81 27 73 23 N/A N/A 0.2 8
16 65 18 80 27 72 22 N/A N/A 0.2 7.7
17 64 18 80 27 72 22 N/A N/A 0.3 7.4
18 64 18 80 26 72 22 N/A N/A 0.4 7.1
19 64 18 79 26 71 22 N/A N/A 0.4 6.7
20 63 17 79 26 71 22 N/A N/A 0.5 6.4
21 63 17 78 26 71 21 N/A N/A 0.6 6.1
22 62 17 78 26 70 21 N/A N/A 0.7 5.8
23 62 17 78 25 70 21 N/A N/A 0.8 5.5
24 62 16 77 25 69 21 N/A N/A 0.9 5.2
25 61 16 77 25 69 21 N/A N/A 1.1 5
26 61 16 76 25 69 20 N/A N/A 1.2 4.7
27 60 16 76 24 68 20 N/A N/A 1.4 4.4
28 60 15 76 24 68 20 N/A N/A 1.6 4.2
29 59 15 75 24 67 20 N/A N/A 1.8 4
30 59 15 75 24 67 19 N/A N/A 2 3.8

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