|
Typical Olympia September Weather 1991–2020 |
||
|---|---|---|
| Average daily high | 72.3 °F | |
| Average daily low | 46.1 °F | |
| Average monthly precipitation | 2.0 inches | |
| Daily chance of precipitation | 27.0% | |
|
Olympia September Weather Records 1877–2024 |
||
|---|---|---|
| Highest temperature | 98 °F | September 2, 1988 |
| Lowest temperature | 25 °F | September 27, 1972 |
| Highest daily low | 61 °F | September 15, 2020 |
| Lowest daily high | 50 °F | September 24, 1988 |
| Hottest average high temperature | 79.6 °F | 1974 |
| Coldest average high temperature | 62.9 °F | 1884 |
| Most daily precipitation | 2.9 inches | September 28, 2013 |
| Most monthly precipitation | 9.4 inches | 2013 |
| Day | Average (°F) | Record (°F) | ||
|---|---|---|---|---|
| High | Low | High | Low | |
| September 1 | 75.7 | 48.3 | 92 | 32 |
| September 2 | 75.5 | 48.2 | 98 | 36 |
| September 3 | 75.1 | 48.1 | 91 | 36 |
| September 4 | 74.8 | 48.1 | 92 | 36 |
| September 5 | 74.6 | 47.9 | 95 | 37 |
| September 6 | 74.3 | 47.8 | 89 | 36 |
| September 7 | 74.1 | 47.6 | 96 | 34 |
| September 8 | 74.0 | 47.5 | 91 | 35 |
| September 9 | 73.7 | 47.3 | 91 | 36 |
| September 10 | 73.5 | 47.2 | 93 | 35 |
| September 11 | 73.2 | 47.0 | 91 | 34 |
| September 12 | 72.9 | 46.9 | 88 | 32 |
| September 13 | 72.7 | 46.6 | 89 | 27 |
| September 14 | 72.6 | 46.3 | 91 | 35 |
| September 15 | 72.4 | 46.2 | 94 | 32 |
| September 16 | 72.2 | 46.1 | 90 | 33 |
| September 17 | 71.8 | 45.9 | 86 | 32 |
| September 18 | 71.4 | 45.7 | 86 | 31 |
| September 19 | 71.0 | 45.5 | 89 | 30 |
| September 20 | 70.6 | 45.3 | 92 | 32 |
| September 21 | 70.3 | 45.1 | 91 | 32 |
| September 22 | 70.0 | 44.9 | 91 | 31 |
| September 23 | 69.6 | 44.8 | 91 | 26 |
| September 24 | 69.2 | 44.6 | 93 | 30 |
| September 25 | 68.8 | 44.5 | 85 | 29 |
| September 26 | 68.3 | 44.3 | 86 | 28 |
| September 27 | 67.8 | 44.0 | 93 | 25 |
| September 28 | 67.4 | 43.9 | 88 | 30 |
| September 29 | 67.0 | 43.7 | 89 | 30 |
| September 30 | 66.7 | 43.4 | 83 | 29 |