Idaho Falls September 20 Weather Records

Year	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
2023	74	46	0.35	n/a
2022	86	40	0.00	n/a
2021	60	39	0.00	n/a
2020	67	36	0.00	n/a
2019	50	45	0.25	n/a
2018	67	41	0.00	n/a
2017	64	38	0.27	n/a
2016	82	44	0.00	n/a
2015	76	41	0.00	n/a
2014	82	43	0.00	n/a
2013	n/a	n/a	n/a	n/a
2012	77	37	0.00	n/a
2011	71	39	0.00	n/a
2010	69	43	0.00	n/a
2009	71	44	0.00	n/a
2008	68	48	0.32	n/a
2007	74	38	0.00	n/a
2006	49	42	0.00	n/a
2005	81	36	0.04	n/a
2004	50	36	0.02	n/a
2003	69	31	0.00	n/a
2002	74	39	0.00	n/a
2001	75	39	0.00	n/a
2000	67	37	0.00	n/a
1999	73	33	0.00	n/a
1998	68	41	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	74	39	0.00	0.0
1992	72	44	0.00	0.0
1991	82	36	0.00	0.0
1990	72	45	0.00	0.0
1989	76	41	0.00	0.0
1988	50	38	0.03	0.0
1987	80	35	0.00	0.0
1986	53	32	0.11	0.0
1985	63	28	0.00	0.0
1984	78	50	0.00	0.0
1983	53	18	0.00	0.0
1982	74	47	0.00	0.0
1981	73	39	0.00	0.0
1980	66	40	0.01	0.0
1979	77	39	0.00	0.0
1978	55	25	0.00	0.0
1977	52	44	0.03	0.0
1976	75	43	0.00	0.0
1975	66	33	0.00	0.0
1974	75	43	0.00	0.0
1973	56	47	0.00	0.0
1972	61	35	0.00	0.0
1971	59	31	0.00	0.0
1970	54	41	0.00	0.0
1969	63	52	0.11	0.0
1968	51	39	0.09	0.0
1967	76	46	0.00	0.0
1966	83	47	0.00	0.0
1965	59	28	0.00	0.0
1964	60	35	0.02	0.0
1963	77	49	0.54	0.0
1962	79	40	0.11	0.0
1961	58	40	0.17	0.0
1960	76	41	0.00	0.0
1959	62	43	0.25	0.0
1958	59	39	0.00	0.0
1957	58	35	0.00	0.0
1956	75	47	0.00	0.0
1955	63	42	0.00	0.0
1954	71	35	0.00	0.0
1953	77	39	0.00	0.0
1952	83	49	0.00	0.0
1951	63	36	0.00	0.0
1950	73	41	0.00	0.0
1949	75	47	0.00	0.0
1948	68	40	0.00	0.0

What's the all-time high for Idaho Falls on 9/20?

For the date of Sep 20, the highest temperature ever reached in Idaho Falls history is 86 °F which happened in 2022.

Highest Temperatures in Idaho Falls on September 20

What's the all-time low for Idaho Falls on 9/20?

For the date of Sep 20, the lowest temperature ever reached in Idaho Falls history is 18 °F which happened in 1983.

Lowest Temperatures in Idaho Falls on September 20

Lowest High Temperatures in Idaho Falls on September 20

What's the most it has ever rained in Idaho Falls on 9/20?

For the date of Sep 20, the most precipitation ever recorded in Idaho Falls history is 0.54 inches which happened in 1963.

All-Time Most Precipitation in Idaho Falls on September 20

Weather Station Details

Years	Station	Coordinates
1948–2024	Idaho Falls Fanning Field	location