|
Typical Twin Falls September Weather 1991–2020 |
||
|---|---|---|
| Average daily high | 77.1 °F | |
| Average daily low | 47.5 °F | |
| Average monthly precipitation | 0.5 inches | |
| Daily chance of precipitation | 12.8% | |
|
Twin Falls September Weather Records 1925–2024 |
||
|---|---|---|
| Highest temperature | 102 °F | September 6, 2022 |
| Lowest temperature | 14 °F | September 26, 1926 |
| Highest daily low | 70 °F | September 15, 2002 |
| Lowest daily high | 42 °F | September 17, 1965 |
| Hottest average high temperature | 84.4 °F | 1938 |
| Coldest average high temperature | 66.7 °F | 1985 |
| Most daily precipitation | 1.4 inches | September 19, 1948 |
| Most monthly precipitation | 2.9 inches | 1940 |
| Day | Average (°F) | Record (°F) | ||
|---|---|---|---|---|
| High | Low | High | Low | |
| September 1 | 82.5 | 51.9 | 99 | 35 |
| September 2 | 82.1 | 51.6 | 97 | 37 |
| September 3 | 81.7 | 51.4 | 99 | 35 |
| September 4 | 81.3 | 51.1 | 99 | 33 |
| September 5 | 80.8 | 50.7 | 98 | 36 |
| September 6 | 80.4 | 50.4 | 102 | 34 |
| September 7 | 80.0 | 50.1 | 100 | 31 |
| September 8 | 79.6 | 49.7 | 95 | 32 |
| September 9 | 79.2 | 49.4 | 93 | 30 |
| September 10 | 78.8 | 49.0 | 96 | 32 |
| September 11 | 78.5 | 48.7 | 96 | 34 |
| September 12 | 78.0 | 48.4 | 94 | 32 |
| September 13 | 77.7 | 48.1 | 92 | 29 |
| September 14 | 77.4 | 47.7 | 99 | 27 |
| September 15 | 77.2 | 47.5 | 95 | 27 |
| September 16 | 76.9 | 47.3 | 92 | 29 |
| September 17 | 76.6 | 47.0 | 95 | 29 |
| September 18 | 76.1 | 46.8 | 92 | 23 |
| September 19 | 75.6 | 46.4 | 93 | 24 |
| September 20 | 75.1 | 46.0 | 92 | 25 |
| September 21 | 74.6 | 45.6 | 90 | 25 |
| September 22 | 74.1 | 45.2 | 89 | 25 |
| September 23 | 73.8 | 44.9 | 92 | 27 |
| September 24 | 73.3 | 44.6 | 93 | 26 |
| September 25 | 72.9 | 44.4 | 97 | 25 |
| September 26 | 72.3 | 44.0 | 88 | 14 |
| September 27 | 71.8 | 43.6 | 90 | 25 |
| September 28 | 71.3 | 43.2 | 92 | 24 |
| September 29 | 70.9 | 42.9 | 88 | 27 |
| September 30 | 70.4 | 42.5 | 91 | 25 |