Records for Rapid City Area, South Dakota (RAPthr) on 09-12
Record Highs
-
1: 97°F (2004)
-
2: 97°F (1990)
-
3: 95°F (1981)
Record Lows
-
1: 28°F (2014)
-
2: 32°F (1949)
-
3: 34°F (1999)
Lowest Highs
-
1: 61°F (1992)
-
2: 61°F (1952)
-
3: 60°F (1998)
Highest Lows
-
1: 44°F (1970)
-
2: 49°F (1949)
-
3: 50°F (1961)
Highest September temperature:
104°F on 09-02-1960.
Lowest September temperature:
18°F on 09-24-1985.
Average temperature is 64.2°F
Average high is 76.1°F
Average low is 52.4°F
Temperature data from 1942 to 2022.
Record Precipitation
-
1: 1.40" (2009)
-
2: 0.62" (1985)
-
3: 0.45" (2002)
Precipitation data from 1942 to 2022.