Rapid City September 12 Weather Records

Daily averages and all-time records for weather in Rapid City, South Dakota for the date of September 12.

September 12 All-Time Records
1948–2024

97 °F

28 °F

44 °F

Highest daily low

61 °F

1.40 inches

Most snow

none

September 12 Average Weather
1991–2020 ¹

Average high

78.0 °F

Average low

47.9 °F

Chance precipitation

22.3%

Chance snow

0.3%

Year	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
2023	81	43	0.00	n/a
2022	87	41	0.00	n/a
2021	82	52	0.05	n/a
2020	79	42	0.01	n/a
2019	63	45	0.00	n/a
2018	93	48	0.00	0.0
2017	94	56	0.35	0.0
2016	61	46	0.02	0.0
2015	82	43	0.00	0.0
2014	56	28	0.00	0.0
2013	81	51	0.00	0.0
2012	72	47	0.00	0.0
2011	78	48	0.00	0.0
2010	82	47	0.00	0.0
2009	61	47	1.40	0.0
2008	69	45	0.20	0.0
2007	88	43	0.00	0.0
2006	82	47	0.00	0.0
2005	72	49	0.05	n/a
2004	97	54	0.00	n/a
2003	74	49	0.15	n/a
2002	61	55	0.45	n/a
2001	75	48	0.00	n/a
2000	87	41	0.00	0.0
1999	60	34	0.00	0.0
1998	84	60	0.00	0.0
1997	83	53	0.00	0.0
1996	77	42	0.00	0.0
1995	87	51	0.00	0.0
1994	82	57	0.00	0.0
1993	84	42	0.02	0.0
1992	91	61	0.00	0.0
1991	79	60	0.00	0.0
1990	97	60	0.00	0.0
1989	57	34	0.00	0.0
1988	57	45	0.00	0.0
1987	75	36	0.00	0.0
1986	67	43	0.00	0.0
1985	78	52	0.62	0.0
1984	80	54	0.00	0.0
1983	70	44	0.00	0.0
1982	62	48	0.13	0.0
1981	95	53	0.00	0.0
1980	68	52	0.02	0.0
1979	65	43	0.05	0.0
1978	71	42	0.00	0.0
1977	71	51	0.06	0.0
1976	83	58	0.15	0.0
1975	68	37	0.00	0.0
1974	52	36	0.11	0.0
1973	66	48	0.00	0.0
1972	88	55	0.00	0.0
1971	78	48	0.00	0.0
1970	44	37	0.00	0.0
1969	88	53	0.00	0.0
1968	90	55	0.00	0.0
1967	72	49	0.01	0.0
1966	90	59	0.00	0.0
1965	68	47	0.10	0.0
1964	73	37	0.00	0.0
1963	71	51	0.00	0.0
1962	78	49	0.00	0.0
1961	50	38	0.27	0.0
1960	83	46	0.00	0.0
1959	95	53	0.00	0.0
1958	92	56	0.00	0.0
1957	66	50	0.00	0.0
1956	86	56	0.15	0.0
1955	89	51	0.00	0.0
1954	93	60	0.00	0.0
1953	79	49	0.00	0.0
1952	95	61	0.00	0.0
1951	63	44	0.00	0.0
1950	60	41	0.23	0.0
1949	49	32	0.17	0.0
1948	88	56	0.00	0.0

What's the all-time high for Rapid City on 9/12?

For the date of Sep 12, the highest temperature ever reached in Rapid City history is 97 °F which has happened 2 times, most recently in 2004.

Highest Temperatures in Rapid City on September 12

What's the all-time low for Rapid City on 9/12?

For the date of Sep 12, the lowest temperature ever reached in Rapid City history is 28 °F which happened in 2014.

Lowest Temperatures in Rapid City on September 12

Lowest High Temperatures in Rapid City on September 12

What's the most it has ever rained in Rapid City on 9/12?

For the date of Sep 12, the most precipitation ever recorded in Rapid City history is 1.40 inches which happened in 2009.

All-Time Most Precipitation in Rapid City on September 12

Weather Station Details

Years	Station	Coordinates
1948–2024	Rapid City Regional Airport	location