Juneau September 12 Weather Records

Daily averages and all-time records for weather in Juneau, Alaska for the date of September 12.

September 12 All-Time Records 1890–2023
Highest temperature	73 °F	1895
Lowest temperature	30 °F	1992
Lowest daily high	48 °F	1969
Highest daily low	54 °F	1911
Most precipitation	2.3 inches	1945
Most snow	none	-

September 12 All-Time Records
1890–2023

Highest temperature

73 °F

30 °F

48 °F

Highest daily low

54 °F

1911

Most precipitation

2.3 inches

1945

Most snow

none

September 12 Average Weather 1991–2020 ¹
Average high	56.9 °F
Average low	45.1 °F
Chance precipitation	73.7%
Chance snow	0%

September 12 Average Weather
1991–2020 ¹

Average high

56.9 °F

Average low

45.1 °F

Chance precipitation

73.7%

Chance snow

Juneau September 12 Weather by Year

Year	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
2023	57	49	1.36	0.0
2022	61	40	0.00	0.0
2021	58	51	0.18	0.0
2020	62	35	0.00	0.0
2019	61	50	0.05	0.0
2018	66	39	0.00	0.0
2017	58	43	0.00	0.0
2016	56	48	0.30	0.0
2015	54	48	0.14	0.0
2014	57	49	0.04	0.0
2013	62	50	0.06	0.0
2012	55	46	0.71	0.0
2011	65	37	0.00	0.0
2010	68	38	0.00	0.0
2009	52	39	1.03	0.0
2008	51	48	0.10	0.0
2007	60	41	0.00	0.0
2006	54	43	0.00	0.0
2005	57	50	0.34	0.0
2004	52	48	0.57	0.0
2003	55	50	0.37	0.0
2002	58	42	0.03	0.0
2001	53	49	0.86	0.0
2000	54	48	0.22	0.0
1999	55	46	0.16	0.0
1998	51	47	0.25	0.0
1997	70	48	0.00	0.0
1996	58	49	0.34	0.0
1995	56	50	0.07	0.0
1994	54	49	0.53	0.0
1993	52	49	0.38	0.0
1992	49	30	0.06	0.0
1991	54	47	0.05	0.0
1990	54	48	0.12	0.0
1989	64	50	0.01	0.0
1988	52	44	0.45	0.0
1987	52	45	0.17	0.0
1986	62	39	0.00	0.0
1985	64	40	0.00	0.0
1984	62	42	0.00	0.0
1983	53	46	0.25	0.0
1982	63	42	0.00	0.0
1981	52	47	0.15	0.0
1980	63	32	0.00	0.0
1979	57	51	0.80	0.0
1978	59	52	0.09	0.0
1977	60	52	0.83	0.0
1976	56	34	0.00	0.0
1975	64	52	0.07	0.0
1974	56	51	0.37	0.0
1973	63	35	0.00	0.0
1972	60	49	0.04	0.0
1971	56	42	0.19	0.0
1970	56	31	0.00	0.0
1969	48	43	0.39	0.0
1968	52	41	0.07	0.0
1967	57	47	1.01	0.0
1966	62	44	0.00	0.0
1965	61	40	0.00	0.0
1964	55	37	0.00	0.0
1963	61	50	0.46	0.0
1962	51	45	0.11	0.0
1961	61	36	0.00	0.0
1960	67	44	0.05	0.0
1959	52	46	0.30	0.0
1958	65	40	0.00	0.0
1957	64	49	0.00	0.0
1956	68	45	0.00	0.0
1955	58	49	0.04	0.0
1954	59	48	0.00	0.0
1953	57	49	0.28	0.0
1952	52	41	0.00	0.0
1951	57	43	0.00	0.0
1950	63	42	0.00	0.0
1949	63	46	0.32	0.0
1948	65	45	0.00	n/a
1947	56	44	0.49	0.0
1946	68	50	0.34	0.0
1945	54	50	2.32	0.0
1944	63	50	0.00	0.0
1943	54	48	1.42	0.0
1916	55	42	0.24	0.0
1915	62	n/a	n/a	n/a
1914	53	42	0.41	n/a
1913	56	48	0.61	n/a
1912	56	44	0.10	0.0
1911	59	54	0.10	0.0
1910	65	43	0.00	0.0
1909	59	50	0.47	0.0
1908	54	43	0.25	0.0
1907	62	41	0.00	0.0
1906	64	45	0.00	0.0
1905	56	48	0.30	0.0
1904	62	43	0.16	0.0
1903	68	45	0.27	0.0
1902	59	47	0.00	0.0
1901	56	49	0.83	n/a
1900	64	40	0.00	n/a
1899	52	47	0.00	n/a
1896	62	45	0.00	n/a
1895	73	33	n/a	n/a

What's the all-time high for Juneau on 9/12?

For the date of Sep 12, the highest temperature ever reached in Juneau history is 73 °F which happened in 1895.

Highest Temperatures in Juneau on September 12

Rank	Temperature	Year
1	73 °F	1895
2	70 °F	1997
3	68 °F	1903
3	68 °F	2010
3	68 °F	1956
3	68 °F	1946
7	67 °F	1960
8	66 °F	2018
9	65 °F	2011
9	65 °F	1948
9	65 °F	1958
9	65 °F	1910

What's the all-time low for Juneau on 9/12?

For the date of Sep 12, the lowest temperature ever reached in Juneau history is 30 °F which happened in 1992.

Lowest Temperatures in Juneau on September 12

Rank	Temperature	Year
1	30 °F	1992
2	31 °F	1970
3	32 °F	1980
4	33 °F	1895
5	34 °F	1976
6	35 °F	2020
6	35 °F	1973
8	36 °F	1961
9	37 °F	2011
9	37 °F	1964

Lowest High Temperatures in Juneau on September 12

Rank	Temperature	Year
1	48 °F	1969
2	49 °F	1992
3	51 °F	1962
3	51 °F	1998
3	51 °F	2008
6	52 °F	2004
6	52 °F	1988
6	52 °F	1987
6	52 °F	1952
6	52 °F	1968
6	52 °F	1959
6	52 °F	1899
6	52 °F	1981
6	52 °F	1993
6	52 °F	2009

What's the most it has ever rained in Juneau on 9/12?

For the date of Sep 12, the most precipitation ever recorded in Juneau history is 2.32 inches which happened in 1945.

All-Time Most Precipitation in Juneau on September 12

Rank	Precipitation	Year
1	2.32 inches	1945
2	1.42 inches	1943
3	1.36 inches	2023
4	1.03 inches	2009
5	1.01 inches	1967
6	0.86 inches	2001
7	0.83 inches	1977
7	0.83 inches	1901
9	0.80 inches	1979
10	0.71 inches	2012

Weather Station Details

Years	Station	Coordinates
1960–2023	Juneau International Airport	location
1890–1959	Downtown Juneau	location