Guam September 12 Weather Records

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

September 12 All-Time Records
1945–2024

92 °F

70 °F

80 °F

Highest daily low

81 °F

5.28 inches

Most snow

none

September 12 Average Weather
1991–2020 ¹

Average high

87.2 °F

Average low

76.4 °F

Chance precipitation

82.5%

Chance snow

Year	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
2023	85	77	0.29	0.0
2022	89	76	0.03	0.0
2021	88	80	0.06	0.0
2020	88	79	0.16	0.0
2019	87	78	0.38	0.0
2018	88	80	0.16	0.0
2017	88	78	0.55	0.0
2016	86	78	0.95	0.0
2015	84	75	2.12	0.0
2014	87	80	0.00	0.0
2013	91	79	0.00	0.0
2012	87	78	0.61	0.0
2011	86	77	0.23	0.0
2010	88	73	1.83	0.0
2009	87	75	1.93	0.0
2008	87	75	0.00	0.0
2007	83	76	1.53	0.0
2006	90	78	0.14	0.0
2005	85	73	1.30	0.0
2004	89	78	0.00	0.0
2003	89	77	0.25	0.0
2002	89	76	0.10	0.0
2001	85	74	0.01	0.0
2000	84	74	0.45	0.0
1999	87	75	0.07	0.0
1998	80	72	3.03	0.0
1997	87	77	0.35	0.0
1996	87	76	0.05	0.0
1995	81	70	3.00	0.0
1994	89	79	0.00	0.0
1993	86	75	0.20	0.0
1992	89	80	0.03	0.0
1991	91	75	0.33	0.0
1990	91	75	0.27	0.0
1989	87	72	0.43	0.0
1988	88	78	0.00	0.0
1987	89	79	0.05	0.0
1986	88	79	0.25	0.0
1985	88	73	0.88	0.0
1984	91	78	0.00	0.0
1983	91	80	0.05	0.0
1982	87	78	0.08	0.0
1981	89	79	0.09	0.0
1980	89	77	0.31	0.0
1979	89	75	0.20	0.0
1978	86	77	0.39	0.0
1977	84	78	0.25	0.0
1976	84	78	0.99	0.0
1975	84	76	0.15	0.0
1974	86	79	0.00	0.0
1973	88	77	0.10	0.0
1972	86	74	0.52	0.0
1971	90	81	0.03	0.0
1970	88	76	0.01	0.0
1969	92	77	0.32	0.0
1968	81	73	3.23	0.0
1967	81	72	5.28	0.0
1966	82	74	0.18	0.0
1965	86	75	1.22	0.0
1964	82	75	1.65	0.0
1963	88	76	0.00	0.0
1962	89	77	0.11	0.0
1961	81	75	0.70	0.0
1960	83	73	0.69	0.0
1959	81	75	0.50	0.0
1958	87	78	0.00	0.0
1957	89	77	0.12	0.0
1956	82	76	1.61	n/a
1955	86	72	0.24	n/a
1954	86	77	0.01	n/a
1953	87	73	0.35	n/a
1952	85	73	0.11	n/a
1951	89	79	0.01	n/a
1950	86	75	0.11	n/a
1949	85	75	0.00	n/a
1948	84	79	0.02	n/a
1947	88	77	0.00	n/a
1946	n/a	n/a	n/a	n/a
1945	88	73	0.67	n/a

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

For the date of Sep 12, the highest temperature ever reached in Guam history is 92 °F which happened in 1969.

Highest Temperatures in Guam on September 12

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

For the date of Sep 12, the lowest temperature ever reached in Guam history is 70 °F which happened in 1995.

Lowest Temperatures in Guam on September 12

Lowest High Temperatures in Guam on September 12

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

For the date of Sep 12, the most precipitation ever recorded in Guam history is 5.28 inches which happened in 1967.

All-Time Most Precipitation in Guam on September 12

Weather Station Details

Years	Station	Coordinates
1945–2024	Guam International Airport	location