Records for Rapid City Downtown Area, South Dakota (UNRS2thr) on 09-30
Record Highs
-
1: 91°F (1963)
-
2: 90°F (1967)
-
3: 90°F (1953)
Record Lows
-
1: 26°F (1961)
-
2: 29°F (1959)
-
3: 29°F (1895)
Lowest Highs
-
1: 61°F (2022)
-
2: 59°F (2005)
-
3: 57°F (1889)
Highest Lows
-
1: 42°F (2018)
-
2: 43°F (1907)
-
3: 45°F (1950)
Highest September temperature:
103°F on 09-02-1960.
Lowest September temperature:
15°F on 09-25-1926.
Average temperature is 55.6°F
Average high is 66.4°F
Average low is 44.7°F
Temperature data from 1888 to 2022.
Record Precipitation
-
1: 1.22" (2014)
-
2: 0.46" (1962)
-
3: 0.44" (1918)
Precipitation data from 1888 to 2022.