|
Typical Harrisburg September Weather 1991–2020 |
||
|---|---|---|
| Average daily high | 77.3 °F | |
| Average daily low | 58.2 °F | |
| Average monthly precipitation | 4.8 inches | |
| Average monthly snow | none | |
| Daily chance of precipitation | 30.8% | |
| Daily chance of snow | 0% | |
|
Harrisburg September Weather Records 1888–2024 |
||
|---|---|---|
| Highest temperature | 102 °F | September 3, 1953 |
| Lowest temperature | 30 °F | September 24, 1963 |
| Highest daily low | 76 °F | September 4, 1970 |
| Lowest daily high | 48 °F | September 28, 1984 |
| Hottest average high temperature | 83.0 °F | 1961 |
| Coldest average high temperature | 68.1 °F | 1888 |
| Most daily precipitation | 7.7 inches | September 7, 2011 |
| Most monthly precipitation | 18.4 inches | 2011 |
| Most daily snow | none | - |
| Most monthly snow | none | - |
| Day | Average (°F) | Record (°F) | ||
|---|---|---|---|---|
| High | Low | High | Low | |
| September 1 | 81.7 | 62.7 | 98 | 47 |
| September 2 | 81.5 | 62.5 | 102 | 45 |
| September 3 | 81.2 | 62.2 | 102 | 43 |
| September 4 | 81.0 | 61.9 | 97 | 46 |
| September 5 | 80.8 | 61.6 | 94 | 47 |
| September 6 | 80.5 | 61.3 | 96 | 46 |
| September 7 | 80.3 | 61.1 | 96 | 46 |
| September 8 | 80.1 | 60.9 | 97 | 45 |
| September 9 | 79.8 | 60.5 | 96 | 47 |
| September 10 | 79.4 | 60.2 | 97 | 42 |
| September 11 | 79.0 | 59.8 | 97 | 40 |
| September 12 | 78.7 | 59.5 | 97 | 41 |
| September 13 | 78.4 | 59.2 | 93 | 40 |
| September 14 | 78.1 | 58.9 | 90 | 39 |
| September 15 | 77.6 | 58.5 | 94 | 41 |
| September 16 | 77.2 | 58.1 | 96 | 42 |
| September 17 | 76.8 | 57.6 | 93 | 41 |
| September 18 | 76.4 | 57.2 | 92 | 40 |
| September 19 | 76.0 | 56.8 | 92 | 37 |
| September 20 | 75.6 | 56.4 | 93 | 37 |
| September 21 | 75.3 | 56.1 | 94 | 35 |
| September 22 | 74.8 | 55.7 | 95 | 37 |
| September 23 | 74.4 | 55.3 | 94 | 36 |
| September 24 | 74.1 | 54.8 | 97 | 30 |
| September 25 | 73.7 | 54.5 | 93 | 31 |
| September 26 | 73.4 | 54.1 | 91 | 36 |
| September 27 | 73.1 | 53.8 | 91 | 34 |
| September 28 | 72.7 | 53.4 | 88 | 32 |
| September 29 | 72.2 | 52.9 | 89 | 35 |
| September 30 | 71.8 | 52.5 | 89 | 35 |