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38.3004, -76.50745

Normals for September

Temp ( °F °C ) Precip ( " mm ) Degree Days
Min Max Avg MTD YTD Heating Cooling
1 69 21 84 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 69 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 28 76 24 N/A N/A 0 10.6
7 68 20 83 28 75 24 N/A N/A 0 10.4
8 68 20 83 28 75 24 N/A N/A 0 10.1
9 67 20 82 28 75 24 N/A N/A 0.1 9.8
10 67 19 82 28 75 24 N/A N/A 0.1 9.6
11 67 19 82 28 74 23 N/A N/A 0.1 9.3
12 66 19 81 27 74 23 N/A N/A 0.1 9
13 66 19 81 27 74 23 N/A N/A 0.1 8.7
14 66 19 81 27 73 23 N/A N/A 0.1 8.4
15 66 19 80 27 73 23 N/A N/A 0.2 8.1
16 65 18 80 27 73 23 N/A N/A 0.2 7.8
17 65 18 80 26 72 22 N/A N/A 0.2 7.5
18 65 18 79 26 72 22 N/A N/A 0.3 7.1
19 64 18 79 26 72 22 N/A N/A 0.3 6.8
20 64 18 79 26 71 22 N/A N/A 0.3 6.5
21 63 17 78 26 71 22 N/A N/A 0.4 6.1
22 63 17 78 25 70 21 N/A N/A 0.4 5.7
23 63 17 77 25 70 21 N/A N/A 0.4 5.4
24 62 17 77 25 70 21 N/A N/A 0.5 5.1
25 62 17 77 25 69 21 N/A N/A 0.6 4.8
26 62 16 76 25 69 20 N/A N/A 0.8 4.5
27 61 16 76 24 68 20 N/A N/A 0.9 4.3
28 61 16 75 24 68 20 N/A N/A 1.1 4.1
29 60 16 75 24 68 20 N/A N/A 1.2 3.8
30 60 15 75 24 67 20 N/A N/A 1.4 3.6

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