|
Typical Renton September Weather 1991–2020 |
||
|---|---|---|
| Average daily high | 71.9 °F | |
| Average daily low | 53.2 °F | |
| Average monthly precipitation | 1.5 inches | |
| Daily chance of precipitation | 26.7% | |
|
Renton September Weather Records 1912–2024 |
||
|---|---|---|
| Highest temperature | 96 °F | September 3, 1988 |
| Lowest temperature | 26 °F | September 29, 1919 |
| Highest daily low | 66 °F | September 5, 2017 |
| Lowest daily high | 52 °F | September 24, 1924 |
| Hottest average high temperature | 78.9 °F | 1967 |
| Coldest average high temperature | 66.5 °F | 1959 |
| Most daily precipitation | 2.0 inches | September 4, 1913 |
| Most monthly precipitation | 5.9 inches | 2013 |
| Day | Average (°F) | Record (°F) | ||
|---|---|---|---|---|
| High | Low | High | Low | |
| September 1 | 75.2 | 55.6 | 90 | 32 |
| September 2 | 74.9 | 55.5 | 96 | 33 |
| September 3 | 74.6 | 55.3 | 96 | 36 |
| September 4 | 74.3 | 55.2 | 88 | 35 |
| September 5 | 74.1 | 55.0 | 95 | 39 |
| September 6 | 73.8 | 54.8 | 89 | 37 |
| September 7 | 73.6 | 54.7 | 96 | 37 |
| September 8 | 73.4 | 54.5 | 95 | 33 |
| September 9 | 73.2 | 54.4 | 89 | 36 |
| September 10 | 73.0 | 54.2 | 91 | 36 |
| September 11 | 72.7 | 54.0 | 89 | 36 |
| September 12 | 72.4 | 53.8 | 94 | 34 |
| September 13 | 72.2 | 53.6 | 90 | 29 |
| September 14 | 72.1 | 53.4 | 91 | 32 |
| September 15 | 71.9 | 53.2 | 94 | 33 |
| September 16 | 71.6 | 53.0 | 95 | 33 |
| September 17 | 71.3 | 52.9 | 91 | 34 |
| September 18 | 70.9 | 52.6 | 85 | 31 |
| September 19 | 70.5 | 52.4 | 87 | 33 |
| September 20 | 70.2 | 52.2 | 87 | 33 |
| September 21 | 70.0 | 51.9 | 91 | 33 |
| September 22 | 69.7 | 51.7 | 92 | 32 |
| September 23 | 69.4 | 51.5 | 90 | 30 |
| September 24 | 69.0 | 51.3 | 88 | 30 |
| September 25 | 68.6 | 51.1 | 87 | 28 |
| September 26 | 68.1 | 50.8 | 83 | 28 |
| September 27 | 67.8 | 50.6 | 90 | 28 |
| September 28 | 67.4 | 50.4 | 88 | 28 |
| September 29 | 67.0 | 50.2 | 82 | 26 |
| September 30 | 66.7 | 49.9 | 81 | 30 |