Typical Rapid City September Weather 1991–2020 |
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---|---|---|
Average daily high | 76.6 °F | |
Average daily low | 46.7 °F | |
Average monthly precipitation | 1.2 inches | |
Average monthly snow | 0.1 inches | |
Daily chance of precipitation | 21.9% | |
Daily chance of snow | 0.29% |
Rapid City September Weather Records 1948–2024 |
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---|---|---|
Highest temperature | 104 °F | September 5, 2020 |
Lowest temperature | 18 °F | September 24, 1985 |
Highest daily low | 73 °F | September 3, 1960 |
Lowest daily high | 34 °F | September 28, 1985 |
Hottest average high temperature | 82.9 °F | 1979 |
Coldest average high temperature | 60.6 °F | 1965 |
Most daily precipitation | 2.1 inches | September 13, 1966 |
Most monthly precipitation | 3.2 inches | 2014 |
Most daily snow | 2.0 inches | September 13, 1970 |
Most monthly snow | 2.0 inches | 1970 |
Day | Average (°F) | Record (°F) | ||
---|---|---|---|---|
High | Low | High | Low | |
September 1 | 82.9 | 52.5 | 101 | 40 |
September 2 | 82.7 | 52.2 | 104 | 38 |
September 3 | 82.5 | 51.9 | 100 | 36 |
September 4 | 82.0 | 51.5 | 104 | 34 |
September 5 | 81.5 | 51.1 | 104 | 37 |
September 6 | 81.0 | 50.7 | 104 | 37 |
September 7 | 80.4 | 50.2 | 99 | 32 |
September 8 | 79.8 | 49.7 | 103 | 30 |
September 9 | 79.3 | 49.3 | 102 | 24 |
September 10 | 78.8 | 48.8 | 100 | 27 |
September 11 | 78.3 | 48.4 | 94 | 29 |
September 12 | 78.0 | 47.9 | 97 | 28 |
September 13 | 77.5 | 47.5 | 93 | 29 |
September 14 | 77.0 | 47.1 | 100 | 24 |
September 15 | 76.7 | 46.7 | 103 | 32 |
September 16 | 76.4 | 46.4 | 95 | 30 |
September 17 | 75.9 | 46.0 | 101 | 26 |
September 18 | 75.3 | 45.6 | 97 | 24 |
September 19 | 74.6 | 45.0 | 95 | 22 |
September 20 | 73.8 | 44.5 | 93 | 29 |
September 21 | 73.2 | 44.1 | 92 | 23 |
September 22 | 72.7 | 43.6 | 95 | 19 |
September 23 | 72.3 | 43.2 | 97 | 24 |
September 24 | 71.8 | 42.9 | 94 | 18 |
September 25 | 71.2 | 42.5 | 93 | 24 |
September 26 | 70.7 | 42.0 | 95 | 22 |
September 27 | 70.3 | 41.6 | 94 | 26 |
September 28 | 69.8 | 41.2 | 94 | 25 |
September 29 | 69.3 | 40.7 | 92 | 21 |
September 30 | 68.7 | 40.3 | 93 | 25 |
Years | Station | Coordinates |
---|---|---|
1948–2024 | Rapid City Regional Airport | location |