Twin Falls September 18 Weather Records

Year	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
2023	83	52	0.00	n/a
2022	82	46	0.00	n/a
2021	84	53	0.00	n/a
2020	83	56	0.00	n/a
2019	79	40	0.00	n/a
2018	75	43	0.00	n/a
2017	72	42	0.02	n/a
2016	80	57	0.00	n/a
2015	68	44	0.00	n/a
2014	82	62	0.00	n/a
2013	65	47	0.00	n/a
2012	83	51	0.00	n/a
2011	78	50	0.00	n/a
2010	82	56	0.00	n/a
2009	87	54	0.00	n/a
2008	86	61	0.00	n/a
2007	69	40	0.01	n/a
2006	72	36	0.00	n/a
2005	66	41	0.00	n/a
2004	71	47	0.00	n/a
2003	67	31	0.00	n/a
2002	66	44	0.00	n/a
2001	80	51	0.00	n/a
2000	82	61	0.00	n/a
1999	84	56	0.00	n/a
1998	74	50	0.00	n/a
1997	82	n/a	0.00	0.0
1996	58	30	0.00	0.0
1995	77	47	0.00	0.0
1994	83	43	0.00	0.0
1993	66	49	0.04	0.0
1992	76	46	0.00	0.0
1991	76	45	0.00	0.0
1990	71	44	0.00	0.0
1989	70	40	0.22	0.0
1988	58	36	0.00	0.0
1987	69	32	0.00	0.0
1986	65	37	0.00	0.0
1985	57	41	0.02	0.0
1984	90	45	0.00	0.0
1983	71	41	0.00	0.0
1982	74	43	0.00	0.0
1981	91	52	0.00	0.0
1980	80	49	0.00	0.0
1979	82	45	0.00	0.0
1978	55	32	0.05	1.0
1977	63	37	0.00	0.0
1976	62	45	0.04	0.0
1975	70	41	0.00	0.0
1974	83	42	0.00	0.0
1973	80	38	0.00	0.0
1972	80	44	0.00	0.0
1971	62	31	0.00	0.0
1970	81	37	0.00	0.0
1969	82	48	0.00	0.0
1968	75	45	0.00	0.0
1967	80	45	0.00	0.0
1966	84	51	0.00	0.0
1965	45	23	0.00	0.0
1964	81	42	0.00	0.0
1963	62	48	0.07	0.0
1962	85	44	0.00	0.0
1961	67	47	n/a	0.0
1960	80	41	0.00	0.0
1959	68	46	0.00	0.0
1958	73	44	0.00	0.0
1957	77	51	0.00	0.0
1956	89	42	0.00	0.0
1955	73	36	0.00	0.0
1954	70	39	0.00	0.0
1953	70	48	0.00	0.0
1952	87	44	0.00	0.0
1951	87	52	0.00	0.0
1950	73	34	0.03	0.0
1949	65	30	0.00	0.0
1948	72	40	0.16	0.0
1947	55	31	0.15	0.0
1946	63	32	0.00	0.0
1945	62	44	0.00	0.0
1944	63	32	0.00	0.0
1943	73	39	0.00	0.0
1942	62	36	0.00	0.0
1941	78	41	0.00	0.0
1940	70	42	0.78	0.0
1939	87	41	0.00	0.0
1938	92	54	0.00	0.0
1937	92	58	0.00	0.0
1936	77	43	0.00	0.0
1935	84	42	n/a	n/a
1934	82	46	0.00	n/a
1933	67	53	0.00	n/a
1932	64	38	0.00	n/a
1931	71	43	0.22	n/a
1930	84	45	n/a	n/a
1929	80	43	0.00	0.0
1928	85	49	0.00	0.0
1927	86	44	0.00	n/a
1926	70	29	0.00	n/a
1925	79	38	0.00	n/a

What's the all-time high for Twin Falls on 9/18?

For the date of Sep 18, the highest temperature ever reached in Twin Falls history is 92 °F which has happened 2 times, most recently in 1938.

Highest Temperatures in Twin Falls on September 18

Rank	Temperature	Year
1	92 °F	1937
1	92 °F	1938
3	91 °F	1981
4	90 °F	1984
5	89 °F	1956
6	87 °F	2009
6	87 °F	1952
6	87 °F	1939
6	87 °F	1951
10	86 °F	1927
10	86 °F	2008

What's the all-time low for Twin Falls on 9/18?

For the date of Sep 18, the lowest temperature ever reached in Twin Falls history is 23 °F which happened in 1965.

Lowest Temperatures in Twin Falls on September 18

Rank	Temperature	Year
1	23 °F	1965
2	29 °F	1926
3	30 °F	1949
3	30 °F	1996
5	31 °F	1971
5	31 °F	1947
5	31 °F	2003
8	32 °F	1978
8	32 °F	1946
8	32 °F	1944
8	32 °F	1987

Lowest High Temperatures in Twin Falls on September 18

Rank	Temperature	Year
1	45 °F	1965
2	55 °F	1947
2	55 °F	1978
4	57 °F	1985
5	58 °F	1996
5	58 °F	1988
7	62 °F	1963
7	62 °F	1976
7	62 °F	1942
7	62 °F	1945
7	62 °F	1971

What's the most it has ever rained in Twin Falls on 9/18?

For the date of Sep 18, the most precipitation ever recorded in Twin Falls history is 0.78 inches which happened in 1940.

All-Time Most Precipitation in Twin Falls on September 18

Rank	Precipitation	Year
1	0.78 inches	1940
2	0.22 inches	1989
2	0.22 inches	1931
4	0.16 inches	1948
5	0.15 inches	1947
6	0.07 inches	1963
7	0.05 inches	1978
8	0.04 inches	1976
8	0.04 inches	1993
10	0.03 inches	1950

Weather Station Details

Years	Station	Coordinates
1998–2024	Magic Valley Regional Airport	location
1977–1997	Twin Falls 6 E	location
1925–1976	Twin Falls 3 SE	location