|
Typical Dayton September Weather 1991–2020 |
||
|---|---|---|
| Average daily high | 77.2 °F | |
| Average daily low | 55.6 °F | |
| Average monthly precipitation | 3.3 inches | |
| Average monthly snow | none | |
| Daily chance of precipitation | 28.7% | |
| Daily chance of snow | 0% | |
|
Dayton September Weather Records 1893–2024 |
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|---|---|---|
| Highest temperature | 102 °F | September 5, 1899 |
| Lowest temperature | 29 °F | September 23, 1913 |
| Highest daily low | 76 °F | September 10, 2013 |
| Lowest daily high | 47 °F | September 28, 1967 |
| Hottest average high temperature | 88.5 °F | 1897 |
| Coldest average high temperature | 69.6 °F | 1949 |
| Most daily precipitation | 3.8 inches | September 16, 2005 |
| Most monthly precipitation | 10.8 inches | 2011 |
| Most daily snow | none | - |
| Most monthly snow | none | - |
| Day | Average (°F) | Record (°F) | ||
|---|---|---|---|---|
| High | Low | High | Low | |
| September 1 | 81.5 | 60.6 | 98 | 44 |
| September 2 | 81.2 | 60.4 | 101 | 40 |
| September 3 | 81.0 | 60.0 | 101 | 42 |
| September 4 | 80.8 | 59.7 | 98 | 42 |
| September 5 | 80.6 | 59.5 | 102 | 41 |
| September 6 | 80.4 | 59.3 | 101 | 41 |
| September 7 | 80.2 | 59.0 | 99 | 42 |
| September 8 | 79.9 | 58.7 | 98 | 42 |
| September 9 | 79.6 | 58.3 | 99 | 42 |
| September 10 | 79.3 | 57.9 | 98 | 41 |
| September 11 | 78.9 | 57.5 | 98 | 34 |
| September 12 | 78.5 | 57.1 | 99 | 36 |
| September 13 | 78.2 | 56.8 | 100 | 38 |
| September 14 | 77.8 | 56.4 | 101 | 33 |
| September 15 | 77.4 | 55.9 | 99 | 35 |
| September 16 | 77.0 | 55.5 | 99 | 36 |
| September 17 | 76.7 | 55.0 | 92 | 39 |
| September 18 | 76.3 | 54.7 | 96 | 37 |
| September 19 | 76.0 | 54.4 | 95 | 34 |
| September 20 | 75.6 | 54.2 | 95 | 36 |
| September 21 | 75.2 | 53.8 | 95 | 31 |
| September 22 | 74.9 | 53.3 | 95 | 32 |
| September 23 | 74.6 | 52.9 | 93 | 29 |
| September 24 | 74.2 | 52.5 | 94 | 33 |
| September 25 | 73.9 | 52.2 | 94 | 35 |
| September 26 | 73.5 | 51.9 | 96 | 36 |
| September 27 | 73.2 | 51.5 | 91 | 33 |
| September 28 | 72.8 | 51.1 | 91 | 32 |
| September 29 | 72.4 | 50.7 | 94 | 33 |
| September 30 | 72.0 | 50.3 | 94 | 30 |