Eureka September 18 Weather Records

Daily averages and all-time records for weather in Eureka, California for the date of September 18.

September 18 All-Time Records
1941–2024

76 °F

42 °F

53 °F

Highest daily low

59 °F

1.45 inches

Most snow

none

September 18 Average Weather
1991–2020 ¹

Average high

64.1 °F

Average low

50.9 °F

Chance precipitation

17.2%

Chance snow

Year	High (°F)	Low (°F)	Precip. (inches)
2023	62	55	0.02
2022	66	54	0.35
2021	66	55	0.78
2020	72	57	0.12
2019	69	56	0.07
2018	61	51	0.00
2017	68	57	0.07
2016	67	53	0.00
2015	64	52	0.00
2014	71	59	0.00
2013	66	51	0.00
2012	62	47	0.00
2011	64	46	0.00
2010	64	56	0.62
2009	68	55	0.00
2008	66	50	0.00
2007	64	50	0.00
2006	65	48	0.00
2005	55	50	0.00
2004	66	50	0.31
2003	65	44	0.00
2002	70	54	0.00
2001	57	51	0.01
2000	75	52	0.00
1999	59	50	0.00
1998	69	54	0.01
1997	67	49	0.00
1996	64	52	0.00
1995	63	52	0.00
1994	61	56	0.00
1993	60	53	0.00
1992	58	48	0.00
1991	63	48	0.00
1990	67	59	0.00
1989	63	52	0.00
1988	64	42	0.00
1987	61	49	0.00
1986	63	52	0.57
1985	62	48	0.00
1984	68	53	0.00
1983	67	49	0.00
1982	65	51	0.25
1981	71	52	0.20
1980	67	50	0.02
1979	68	54	0.00
1978	57	47	0.13
1977	75	55	1.45
1976	57	51	0.00
1975	59	46	0.00
1974	56	46	0.00
1973	65	56	0.03
1972	63	54	0.00
1971	54	49	0.00
1970	62	53	0.10
1969	67	57	0.11
1968	66	55	0.00
1967	66	56	0.01
1966	61	56	0.28
1965	65	44	0.00
1964	59	45	0.00
1963	73	52	0.00
1962	68	55	0.00
1961	62	53	0.00
1960	53	48	0.00
1959	69	58	0.53
1958	62	55	0.00
1957	64	56	0.01
1956	63	51	0.00
1955	62	47	0.00
1954	61	50	0.00
1953	60	49	0.00
1952	55	50	0.00
1951	60	50	0.00
1950	64	53	0.00
1949	62	47	0.00
1948	58	52	0.00
1947	60	49	0.00
1946	76	47	0.00
1945	59	51	0.00
1944	58	47	0.00
1943	62	50	0.00
1942	69	46	0.00

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

For the date of Sep 18, the highest temperature ever reached in Eureka history is 76 °F which happened in 1946.

Highest Temperatures in Eureka on September 18

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

For the date of Sep 18, the lowest temperature ever reached in Eureka history is 42 °F which happened in 1988.

Lowest Temperatures in Eureka on September 18

Lowest High Temperatures in Eureka on September 18

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

For the date of Sep 18, the most precipitation ever recorded in Eureka history is 1.45 inches which happened in 1977.

All-Time Most Precipitation in Eureka on September 18

Weather Station Details

Years	Station	Coordinates
1941–2024	Eureka Woodley Island	location