|
Typical Danbury September Weather 1991–2020 |
||
|---|---|---|
| Average daily high | 74.2 °F | |
| Average daily low | 52.6 °F | |
| Average monthly precipitation | 4.8 inches | |
| Daily chance of precipitation | 42.4% | |
|
Danbury September Weather Records 1937–2024 |
||
|---|---|---|
| Highest temperature | 100 °F | September 2, 1953 |
| Lowest temperature | 23 °F | September 30, 1941 |
| Highest daily low | 72 °F | September 1, 2013 |
| Lowest daily high | 51 °F | September 25, 1977 |
| Hottest average high temperature | 80.1 °F | 2015 |
| Coldest average high temperature | 69.2 °F | 1975 |
| Most daily precipitation | 9.6 inches | September 16, 1999 |
| Most monthly precipitation | 15.0 inches | 1999 |
| Day | Average (°F) | Record (°F) | ||
|---|---|---|---|---|
| High | Low | High | Low | |
| September 1 | 78.3 | 57.1 | 94 | 42 |
| September 2 | 78.1 | 56.8 | 100 | 40 |
| September 3 | 77.8 | 56.4 | 98 | 36 |
| September 4 | 77.6 | 56.2 | 93 | 40 |
| September 5 | 77.4 | 55.8 | 91 | 40 |
| September 6 | 77.1 | 55.5 | 92 | 35 |
| September 7 | 76.9 | 55.2 | 94 | 35 |
| September 8 | 76.7 | 55.0 | 94 | 37 |
| September 9 | 76.4 | 54.7 | 91 | 34 |
| September 10 | 76.1 | 54.4 | 91 | 34 |
| September 11 | 75.7 | 54.0 | 95 | 34 |
| September 12 | 75.4 | 53.6 | 91 | 28 |
| September 13 | 75.2 | 53.4 | 92 | 27 |
| September 14 | 74.8 | 53.1 | 88 | 35 |
| September 15 | 74.4 | 52.8 | 92 | 33 |
| September 16 | 74.0 | 52.4 | 90 | 33 |
| September 17 | 73.6 | 52.0 | 92 | 32 |
| September 18 | 73.3 | 51.6 | 87 | 32 |
| September 19 | 72.9 | 51.2 | 90 | 34 |
| September 20 | 72.5 | 50.9 | 92 | 29 |
| September 21 | 72.2 | 50.5 | 88 | 30 |
| September 22 | 71.8 | 50.1 | 90 | 31 |
| September 23 | 71.4 | 49.7 | 90 | 32 |
| September 24 | 71.1 | 49.2 | 90 | 28 |
| September 25 | 70.8 | 48.8 | 89 | 29 |
| September 26 | 70.5 | 48.6 | 90 | 32 |
| September 27 | 70.1 | 48.3 | 91 | 27 |
| September 28 | 69.7 | 47.9 | 83 | 25 |
| September 29 | 69.2 | 47.4 | 84 | 26 |
| September 30 | 68.9 | 47.0 | 81 | 23 |