Records for Rapid City Downtown Area, South Dakota (UNRS2thr) on 09-20
Record Highs
-
1: 99°F (1898)
-
2: 96°F (1937)
-
3: 90°F (1960)
Record Lows
-
1: 29°F (1927)
-
2: 30°F (1918)
-
3: 33°F (1934)
Lowest Highs
-
1: 64°F (1960)
-
2: 62°F (1920)
-
3: 59°F (2007)
Highest Lows
-
1: 41°F (1934)
-
2: 46°F (1912)
-
3: 48°F (1924)
Highest September temperature:
103°F on 09-02-1960.
Lowest September temperature:
15°F on 09-25-1926.
Average temperature is 60.6°F
Average high is 72°F
Average low is 49.1°F
Temperature data from 1888 to 2022.
Record Precipitation
-
1: 1.18" (1955)
-
2: 0.50" (1928)
-
3: 0.38" (2019)
Precipitation data from 1888 to 2022.