Idaho Falls September 21 Weather Records

Year	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
2023	54	44	0.57	n/a
2022	79	44	0.71	n/a
2021	68	33	0.00	n/a
2020	79	38	0.00	n/a
2019	60	42	0.00	n/a
2018	76	33	0.00	n/a
2017	46	38	0.66	n/a
2016	74	45	0.24	n/a
2015	82	40	0.00	n/a
2014	80	49	0.08	n/a
2013	n/a	n/a	n/a	n/a
2012	82	37	0.00	n/a
2011	76	36	0.00	n/a
2010	77	34	0.00	n/a
2009	64	31	0.00	n/a
2008	64	48	0.00	n/a
2007	74	37	0.00	n/a
2006	55	37	1.03	n/a
2005	58	42	1.01	n/a
2004	55	30	0.00	n/a
2003	73	32	0.00	n/a
2002	63	31	0.00	n/a
2001	82	38	0.00	n/a
2000	60	36	0.01	n/a
1999	78	34	0.00	n/a
1998	65	37	0.10	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	64	36	0.00	0.0
1992	75	42	0.00	0.0
1991	64	35	0.00	0.0
1990	75	38	0.00	0.0
1989	73	38	0.00	0.0
1988	69	34	0.00	0.0
1987	84	35	0.00	0.0
1986	58	29	0.00	0.0
1985	63	45	0.05	0.0
1984	56	41	0.06	0.0
1983	66	22	0.00	0.0
1982	77	42	0.00	0.0
1981	68	44	0.00	0.0
1980	59	35	0.09	0.0
1979	82	35	0.00	0.0
1978	64	27	0.00	0.0
1977	59	36	0.03	0.0
1976	79	41	0.00	0.0
1975	70	32	0.00	0.0
1974	74	38	0.00	0.0
1973	62	39	0.00	0.0
1972	72	32	0.00	0.0
1971	59	32	0.00	0.0
1970	52	36	0.00	0.0
1969	62	42	0.04	0.0
1968	43	32	0.31	0.0
1967	81	42	0.00	0.0
1966	86	48	0.00	0.0
1965	53	33	0.00	0.0
1964	62	37	0.00	0.0
1963	67	48	0.00	0.0
1962	72	49	0.19	0.0
1961	46	32	0.48	0.0
1960	59	42	0.00	0.0
1959	57	40	0.01	0.0
1958	76	34	0.00	0.0
1957	69	36	0.00	0.0
1956	60	40	0.00	0.0
1955	63	38	0.00	0.0
1954	85	34	0.00	0.0
1953	83	36	0.00	0.0
1952	81	48	0.00	0.0
1951	60	28	0.00	0.0
1950	75	43	0.00	0.0
1949	78	39	0.00	0.0
1948	78	42	0.00	0.0

What's the all-time high for Idaho Falls on 9/21?

For the date of Sep 21, the highest temperature ever reached in Idaho Falls history is 86 °F which happened in 1966.

Highest Temperatures in Idaho Falls on September 21

What's the all-time low for Idaho Falls on 9/21?

For the date of Sep 21, the lowest temperature ever reached in Idaho Falls history is 22 °F which happened in 1983.

Lowest Temperatures in Idaho Falls on September 21

Lowest High Temperatures in Idaho Falls on September 21

What's the most it has ever rained in Idaho Falls on 9/21?

For the date of Sep 21, the most precipitation ever recorded in Idaho Falls history is 1.03 inches which happened in 2006.

All-Time Most Precipitation in Idaho Falls on September 21

Weather Station Details

Years	Station	Coordinates
1948–2024	Idaho Falls Fanning Field	location