Rapid City September 15 Weather Records

Daily averages and all-time records for weather in Rapid City, South Dakota for the date of September 15.

September 15 All-Time Records 1948–2024
Highest temperature	103 °F	1948
Lowest temperature	32 °F	1965
Lowest daily high	42 °F	1973
Highest daily low	60 °F	1985
Most precipitation	0.53 inches	1967
Most snow	0.3 inches	1965

September 15 All-Time Records
1948–2024

Highest temperature

103 °F

32 °F

42 °F

Highest daily low

60 °F

0.53 inches

0.3 inches

September 15 Average Weather 1991–2020 ¹
Average high	76.7 °F
Average low	46.7 °F
Chance precipitation	22.0%
Chance snow	0.3%

September 15 Average Weather
1991–2020 ¹

Average high

76.7 °F

Average low

46.7 °F

Chance precipitation

22.0%

Chance snow

0.3%

Rapid City September 15 Weather by Year

Year	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
2023	76	46	0.00	n/a
2022	75	55	0.00	n/a
2021	87	48	0.00	n/a
2020	84	47	0.00	n/a
2019	91	50	0.00	n/a
2018	83	58	0.01	0.0
2017	59	44	0.33	0.0
2016	73	46	0.02	0.0
2015	90	58	0.00	0.0
2014	68	33	0.00	0.0
2013	71	50	0.01	0.0
2012	91	46	0.00	0.0
2011	46	39	0.29	0.0
2010	71	46	0.00	0.0
2009	88	54	0.00	0.0
2008	78	42	0.00	0.0
2007	82	48	0.00	0.0
2006	74	53	0.00	0.0
2005	81	43	0.00	n/a
2004	70	45	0.00	n/a
2003	83	41	0.00	n/a
2002	87	48	0.00	n/a
2001	58	49	0.00	n/a
2000	92	48	0.00	0.0
1999	72	36	0.00	0.0
1998	84	52	0.00	0.0
1997	92	54	0.01	0.0
1996	70	50	0.00	0.0
1995	94	50	0.00	0.0
1994	69	46	0.02	0.0
1993	85	37	0.00	0.0
1992	97	54	0.00	0.0
1991	59	37	0.00	0.0
1990	80	50	0.00	0.0
1989	88	46	0.00	0.0
1988	73	49	0.00	0.0
1987	76	54	0.01	0.0
1986	48	45	0.06	0.0
1985	85	60	0.00	0.0
1984	68	41	0.00	0.0
1983	69	40	0.00	0.0
1982	52	36	0.00	0.0
1981	69	44	0.00	0.0
1980	79	42	0.24	0.0
1979	85	47	0.00	0.0
1978	87	45	0.00	0.0
1977	85	53	0.00	0.0
1976	79	51	0.00	0.0
1975	86	52	0.00	0.0
1974	80	47	0.00	0.0
1973	42	35	0.01	0.0
1972	83	48	0.00	0.0
1971	58	34	0.00	0.0
1970	60	39	0.00	0.0
1969	71	46	0.00	0.0
1968	79	48	0.04	0.0
1967	58	47	0.53	0.0
1966	67	44	0.06	0.0
1965	62	32	0.06	0.3
1964	78	43	0.20	0.0
1963	78	49	0.00	0.0
1962	84	50	0.05	0.0
1961	77	34	0.00	0.0
1960	82	54	0.00	0.0
1959	59	43	0.00	0.0
1958	67	45	0.00	0.0
1957	67	46	0.00	0.0
1956	84	52	0.00	0.0
1955	94	57	0.00	0.0
1954	83	55	0.09	0.0
1953	81	49	0.00	0.0
1952	84	46	0.00	0.0
1951	61	37	0.00	0.0
1950	52	42	0.08	0.0
1949	81	44	0.00	0.0
1948	103	57	0.00	0.0

What's the all-time high for Rapid City on 9/15?

For the date of Sep 15, the highest temperature ever reached in Rapid City history is 103 °F which happened in 1948.

Highest Temperatures in Rapid City on September 15

Rank	Temperature	Year
1	103 °F	1948
2	97 °F	1992
3	94 °F	1955
3	94 °F	1995
5	92 °F	1997
5	92 °F	2000
7	91 °F	2012
7	91 °F	2019
9	90 °F	2015
10	88 °F	2009
10	88 °F	1989

What's the all-time low for Rapid City on 9/15?

For the date of Sep 15, the lowest temperature ever reached in Rapid City history is 32 °F which happened in 1965.

Lowest Temperatures in Rapid City on September 15

Rank	Temperature	Year
1	32 °F	1965
2	33 °F	2014
3	34 °F	1971
3	34 °F	1961
5	35 °F	1973
6	36 °F	1982
6	36 °F	1999
8	37 °F	1993
8	37 °F	1951
8	37 °F	1991

Lowest High Temperatures in Rapid City on September 15

Rank	Temperature	Year
1	42 °F	1973
2	46 °F	2011
3	48 °F	1986
4	52 °F	1950
4	52 °F	1982
6	58 °F	1967
6	58 °F	1971
6	58 °F	2001
9	59 °F	2017
9	59 °F	1991
9	59 °F	1959

What's the most it has ever rained in Rapid City on 9/15?

For the date of Sep 15, the most precipitation ever recorded in Rapid City history is 0.53 inches which happened in 1967.

All-Time Most Precipitation in Rapid City on September 15

Rank	Precipitation	Year
1	0.53 inches	1967
2	0.33 inches	2017
3	0.29 inches	2011
4	0.24 inches	1980
5	0.20 inches	1964
6	0.09 inches	1954
7	0.08 inches	1950
8	0.06 inches	1965
8	0.06 inches	1986
8	0.06 inches	1966

All-Time Most Snow in Rapid City on September 15

Rank	Precipitation	Year
1	0.3 inches	1965

Weather Station Details

Years	Station	Coordinates
1948–2024	Rapid City Regional Airport	location