Boise September 25 Weather Records

Daily averages and all-time records for weather in Boise, Idaho for the date of September 25.

September 25 All-Time Records 1911–2024
Highest temperature	95 °F	2015
Lowest temperature	23 °F	1926
Lowest daily high	52 °F	1933
Highest daily low	63 °F	2011
Most precipitation	0.51 inches	1998
Most snow	none	-

September 25 All-Time Records
1911–2024

Highest temperature

95 °F

23 °F

52 °F

Highest daily low

63 °F

2011

Most precipitation

0.51 inches

1998

Most snow

none

September 25 Average Weather 1991–2020 ¹
Average high	75.6 °F
Average low	48.9 °F
Chance precipitation	14.1%
Chance snow	0%

September 25 Average Weather
1991–2020 ¹

Average high

75.6 °F

Average low

48.9 °F

Chance precipitation

14.1%

Chance snow

Boise September 25 Weather by Year

Year	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
2023	88	53	0.00	0.0
2022	86	52	0.00	0.0
2021	86	53	0.00	0.0
2020	75	51	0.02	0.0
2019	72	48	0.00	0.0
2018	69	41	0.00	0.0
2017	67	40	0.00	0.0
2016	75	44	0.00	0.0
2015	95	56	0.00	0.0
2014	79	51	0.01	0.0
2013	54	44	0.30	0.0
2012	79	56	0.00	0.0
2011	89	63	0.00	0.0
2010	92	52	0.00	0.0
2009	91	56	0.00	0.0
2008	81	56	0.00	0.0
2007	69	46	0.00	0.0
2006	77	47	0.00	0.0
2005	64	35	0.00	0.0
2004	86	54	0.00	0.0
2003	85	50	0.00	0.0
2002	78	46	0.00	0.0
2001	81	56	0.02	0.0
2000	74	43	0.00	0.0
1999	71	48	0.00	0.0
1998	61	52	0.51	0.0
1997	87	60	0.00	0.0
1996	67	42	0.00	0.0
1995	74	54	0.00	0.0
1994	88	51	0.00	0.0
1993	77	49	0.00	0.0
1992	65	44	0.00	0.0
1991	88	48	0.00	0.0
1990	87	59	0.00	0.0
1989	92	56	0.01	0.0
1988	80	53	0.00	0.0
1987	79	55	0.00	0.0
1986	55	37	0.14	0.0
1985	71	39	0.00	0.0
1984	59	34	0.00	0.0
1983	84	50	0.00	0.0
1982	81	55	0.49	0.0
1981	56	40	0.31	0.0
1980	76	45	0.00	0.0
1979	77	55	0.04	0.0
1978	89	49	0.00	0.0
1977	73	50	0.00	0.0
1976	75	47	0.00	0.0
1975	80	50	0.00	0.0
1974	85	49	0.00	0.0
1973	62	46	0.04	0.0
1972	56	28	0.00	0.0
1971	63	41	0.00	0.0
1970	63	30	0.00	0.0
1969	81	49	0.00	0.0
1968	78	46	0.00	0.0
1967	84	54	0.00	0.0
1966	73	47	0.00	0.0
1965	76	44	0.00	0.0
1964	73	47	0.00	0.0
1963	95	51	0.00	0.0
1962	86	56	0.00	0.0
1961	68	35	0.00	0.0
1960	81	52	0.00	0.0
1959	66	49	0.05	0.0
1958	71	46	0.00	0.0
1957	83	51	0.00	0.0
1956	85	47	0.00	0.0
1955	62	41	0.00	0.0
1954	80	50	0.00	0.0
1953	74	44	0.00	0.0
1952	87	54	0.00	0.0
1951	69	47	0.01	0.0
1950	76	55	0.03	0.0
1949	86	57	0.00	0.0
1948	54	40	0.08	0.0
1947	87	58	0.00	0.0
1946	82	50	0.00	0.0
1945	65	41	0.00	0.0
1944	83	48	0.00	0.0
1943	86	53	0.00	0.0
1942	81	49	0.00	0.0
1941	80	49	0.00	0.0
1940	75	55	0.00	0.0
1939	82	61	0.00	0.0
1938	81	43	0.00	0.0
1937	70	30	0.00	0.0
1936	70	50	0.00	0.0
1935	75	39	0.00	0.0
1934	54	36	0.00	0.0
1933	52	34	0.03	0.0
1932	77	52	0.00	n/a
1931	80	33	0.00	n/a
1930	73	35	0.00	n/a
1929	62	41	0.00	n/a
1928	88	41	0.00	n/a
1927	73	38	0.00	0.0
1926	62	23	0.00	0.0
1925	85	44	0.00	0.0
1924	59	42	0.03	0.0
1923	60	47	0.01	0.0
1922	87	46	0.00	0.0
1921	73	49	0.00	0.0
1920	59	42	0.03	0.0
1919	82	42	0.00	0.0
1918	72	40	0.00	0.0
1917	67	42	0.00	0.0
1916	66	35	0.00	0.0
1915	66	44	0.00	0.0
1914	84	54	0.00	0.0
1913	71	29	0.00	0.0
1912	69	30	0.00	0.0
1911	81	42	0.00	0.0

What's the all-time high for Boise on 9/25?

For the date of Sep 25, the highest temperature ever reached in Boise history is 95 °F which has happened 2 times, most recently in 2015.

Highest Temperatures in Boise on September 25

Rank	Temperature	Year
1	95 °F	2015
1	95 °F	1963
3	92 °F	2010
3	92 °F	1989
5	91 °F	2009
6	89 °F	2011
6	89 °F	1978
8	88 °F	1994
8	88 °F	2023
8	88 °F	1928
8	88 °F	1991

What's the all-time low for Boise on 9/25?

For the date of Sep 25, the lowest temperature ever reached in Boise history is 23 °F which happened in 1926.

Lowest Temperatures in Boise on September 25

Rank	Temperature	Year
1	23 °F	1926
2	28 °F	1972
3	29 °F	1913
4	30 °F	1970
4	30 °F	1912
4	30 °F	1937
7	33 °F	1931
8	34 °F	1984
8	34 °F	1933
10	35 °F	1916
10	35 °F	1930
10	35 °F	1961
10	35 °F	2005

Lowest High Temperatures in Boise on September 25

Rank	Temperature	Year
1	52 °F	1933
2	54 °F	1948
2	54 °F	2013
2	54 °F	1934
5	55 °F	1986
6	56 °F	1981
6	56 °F	1972
8	59 °F	1920
8	59 °F	1924
8	59 °F	1984

What's the most it has ever rained in Boise on 9/25?

For the date of Sep 25, the most precipitation ever recorded in Boise history is 0.51 inches which happened in 1998.

All-Time Most Precipitation in Boise on September 25

Rank	Precipitation	Year
1	0.51 inches	1998
2	0.49 inches	1982
3	0.31 inches	1981
4	0.30 inches	2013
5	0.14 inches	1986
6	0.08 inches	1948
7	0.05 inches	1959
8	0.04 inches	1979
8	0.04 inches	1973
10	0.03 inches	1924
10	0.03 inches	1920
10	0.03 inches	1950
10	0.03 inches	1933

Weather Station Details

Years	Station	Coordinates
1940–2024		location
1911–1939	Meridian 1 W	location