|
Typical Juneau September Weather 1991–2020 |
||
|---|---|---|
| Average daily high | 56.1 °F | |
| Average daily low | 44.4 °F | |
| Average monthly precipitation | 9.1 inches | |
| Average monthly snow | none | |
| Daily chance of precipitation | 74.3% | |
| Daily chance of snow | 0% | |
|
Juneau September Weather Records 1890–2024 |
||
|---|---|---|
| Highest temperature | 85 °F | September 11, 1895 |
| Lowest temperature | 23 °F | September 26, 1972 |
| Highest daily low | 58 °F | September 5, 1957 |
| Lowest daily high | 41 °F | September 30, 2000 |
| Hottest average high temperature | 63.2 °F | 1910 |
| Coldest average high temperature | 51.2 °F | 1908 |
| Most daily precipitation | 4.0 inches | September 7, 1902 |
| Most monthly precipitation | 17.9 inches | 1947 |
| Most daily snow | 3.0 inches | September 26, 1908 |
| Most monthly snow | 3.0 inches | 1908 |
| Day | Average (°F) | Record (°F) | ||
|---|---|---|---|---|
| High | Low | High | Low | |
| September 1 | 59.1 | 46.9 | 75 | 29 |
| September 2 | 58.9 | 46.7 | 77 | 30 |
| September 3 | 58.7 | 46.5 | 73 | 36 |
| September 4 | 58.5 | 46.3 | 75 | 35 |
| September 5 | 58.2 | 46.1 | 72 | 35 |
| September 6 | 58.1 | 45.9 | 71 | 33 |
| September 7 | 57.9 | 45.8 | 69 | 35 |
| September 8 | 57.8 | 45.5 | 72 | 32 |
| September 9 | 57.6 | 45.4 | 73 | 30 |
| September 10 | 57.4 | 45.3 | 76 | 29 |
| September 11 | 57.2 | 45.2 | 85 | 28 |
| September 12 | 56.9 | 45.1 | 73 | 30 |
| September 13 | 56.6 | 45.0 | 68 | 28 |
| September 14 | 56.4 | 44.8 | 69 | 32 |
| September 15 | 56.2 | 44.5 | 73 | 30 |
| September 16 | 56.0 | 44.3 | 71 | 29 |
| September 17 | 55.7 | 44.0 | 70 | 29 |
| September 18 | 55.5 | 43.8 | 72 | 30 |
| September 19 | 55.2 | 43.5 | 71 | 30 |
| September 20 | 54.9 | 43.3 | 70 | 30 |
| September 21 | 54.6 | 43.1 | 67 | 30 |
| September 22 | 54.4 | 43.0 | 69 | 29 |
| September 23 | 54.1 | 42.7 | 64 | 26 |
| September 24 | 53.8 | 42.5 | 67 | 23 |
| September 25 | 53.5 | 42.3 | 62 | 23 |
| September 26 | 53.2 | 42.1 | 64 | 23 |
| September 27 | 52.9 | 41.9 | 60 | 27 |
| September 28 | 52.6 | 41.7 | 66 | 26 |
| September 29 | 52.2 | 41.5 | 65 | 25 |
| September 30 | 51.9 | 41.3 | 63 | 28 |