|
Typical Ames September Weather 1991–2020 |
||
|---|---|---|
| Average daily high | 76.2 °F | |
| Average daily low | 51.6 °F | |
| Average monthly precipitation | 3.4 inches | |
| Daily chance of precipitation | 31.6% | |
|
Ames September Weather Records 1893–2024 |
||
|---|---|---|
| Highest temperature | 102 °F | September 4, 1913 |
| Lowest temperature | 22 °F | September 28, 1942 |
| Highest daily low | 76 °F | September 7, 1939 |
| Lowest daily high | 40 °F | September 26, 1942 |
| Hottest average high temperature | 86.1 °F | 1897 |
| Coldest average high temperature | 67.7 °F | 1896 |
| Most daily precipitation | 4.3 inches | September 5, 1936 |
| Most monthly precipitation | 12.1 inches | 1926 |
| Day | Average (°F) | Record (°F) | ||
|---|---|---|---|---|
| High | Low | High | Low | |
| September 1 | 80.1 | 57.1 | 101 | 37 |
| September 2 | 80.0 | 56.8 | 100 | 36 |
| September 3 | 79.9 | 56.6 | 99 | 37 |
| September 4 | 79.7 | 56.3 | 102 | 37 |
| September 5 | 79.5 | 56.0 | 101 | 38 |
| September 6 | 79.3 | 55.7 | 99 | 39 |
| September 7 | 78.9 | 55.3 | 100 | 39 |
| September 8 | 78.6 | 54.9 | 99 | 38 |
| September 9 | 78.2 | 54.4 | 100 | 39 |
| September 10 | 77.8 | 54.0 | 98 | 36 |
| September 11 | 77.5 | 53.5 | 99 | 34 |
| September 12 | 77.2 | 53.1 | 99 | 34 |
| September 13 | 76.9 | 52.6 | 96 | 31 |
| September 14 | 76.6 | 52.2 | 98 | 33 |
| September 15 | 76.3 | 51.8 | 98 | 31 |
| September 16 | 76.1 | 51.5 | 99 | 32 |
| September 17 | 75.8 | 51.0 | 95 | 34 |
| September 18 | 75.4 | 50.6 | 94 | 31 |
| September 19 | 75.1 | 50.3 | 96 | 29 |
| September 20 | 74.6 | 49.9 | 93 | 30 |
| September 21 | 74.1 | 49.5 | 91 | 26 |
| September 22 | 73.7 | 49.1 | 98 | 25 |
| September 23 | 73.5 | 48.8 | 92 | 29 |
| September 24 | 73.3 | 48.3 | 90 | 29 |
| September 25 | 72.9 | 47.9 | 90 | 28 |
| September 26 | 72.5 | 47.5 | 90 | 29 |
| September 27 | 72.1 | 47.1 | 94 | 28 |
| September 28 | 71.6 | 46.7 | 98 | 22 |
| September 29 | 71.2 | 46.3 | 91 | 24 |
| September 30 | 70.8 | 45.9 | 93 | 22 |