Idaho Falls September 18 Weather Records

Year	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
2023	84	42	0.00	n/a
2022	80	44	0.02	n/a
2021	81	43	0.00	n/a
2020	78	44	0.00	n/a
2019	75	34	0.00	n/a
2018	78	33	0.00	n/a
2017	71	39	0.01	n/a
2016	78	51	0.00	n/a
2015	61	38	0.00	n/a
2014	86	55	0.02	n/a
2013	n/a	n/a	n/a	n/a
2012	78	37	0.00	n/a
2011	73	43	0.00	n/a
2010	83	44	0.00	n/a
2009	84	45	0.00	n/a
2008	81	43	0.00	n/a
2007	64	40	0.00	n/a
2006	62	28	0.00	n/a
2005	63	31	0.00	n/a
2004	79	46	0.00	n/a
2003	60	25	0.00	n/a
2002	60	42	0.00	n/a
2001	74	42	0.00	n/a
2000	76	48	0.00	n/a
1999	81	37	0.09	n/a
1998	77	50	0.00	n/a
1997	n/a	n/a	n/a	n/a
1996	n/a	n/a	n/a	n/a
1995	n/a	n/a	n/a	n/a
1994	n/a	n/a	n/a	n/a
1993	61	44	0.09	0.0
1992	74	35	0.00	0.0
1991	72	38	0.00	0.0
1990	78	42	0.00	0.0
1989	66	41	0.00	0.0
1988	58	33	0.00	0.0
1987	72	29	0.00	0.0
1986	58	42	0.08	0.0
1985	53	45	0.00	0.0
1984	86	43	0.00	0.0
1983	77	52	0.00	0.0
1982	75	40	0.00	0.0
1981	87	40	0.00	0.0
1980	83	45	0.04	0.0
1979	87	38	0.00	0.0
1978	43	34	0.02	0.0
1977	69	30	0.00	0.0
1976	61	44	0.04	0.0
1975	62	32	0.00	0.0
1974	82	37	0.00	0.0
1973	72	40	0.00	0.0
1972	82	40	0.06	0.0
1971	58	24	0.00	0.0
1970	83	37	0.00	0.0
1969	86	45	0.00	0.0
1968	80	48	0.00	0.0
1967	67	39	0.00	0.0
1966	86	42	0.00	0.0
1965	45	21	0.00	0.0
1964	61	39	0.00	0.0
1963	64	50	0.02	0.0
1962	87	38	0.00	0.0
1961	53	44	0.66	0.0
1960	74	36	0.00	0.0
1959	65	42	0.02	0.0
1958	72	40	0.00	0.0
1957	63	39	0.00	0.0
1956	90	39	0.00	0.0
1955	69	34	0.00	0.0
1954	64	34	0.00	0.0
1953	71	40	0.00	0.0
1952	81	40	0.00	0.0
1951	77	45	0.00	0.0
1950	74	41	0.00	0.0
1949	71	34	0.00	0.0
1948	66	52	0.42	0.0

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

For the date of Sep 18, the highest temperature ever reached in Idaho Falls history is 90 °F which happened in 1956.

Highest Temperatures in Idaho Falls on September 18

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

For the date of Sep 18, the lowest temperature ever reached in Idaho Falls history is 21 °F which happened in 1965.

Lowest Temperatures in Idaho Falls on September 18

Lowest High Temperatures in Idaho Falls on September 18

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

For the date of Sep 18, the most precipitation ever recorded in Idaho Falls history is 0.66 inches which happened in 1961.

All-Time Most Precipitation in Idaho Falls on September 18

Weather Station Details

Years	Station	Coordinates
1948–2024	Idaho Falls Fanning Field	location