Guam September 17 Weather Records

Daily averages and all-time records for weather in Guam for the date of September 17.

September 17 All-Time Records
1945–2024

91 °F

70 °F

79 °F

Highest daily low

80 °F

4.70 inches

Most snow

none

September 17 Average Weather
1991–2020 ¹

Average high

87.2 °F

Average low

76.3 °F

Chance precipitation

83.4%

Chance snow

Year	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
2023	86	77	0.13	0.0
2022	86	75	1.13	0.0
2021	88	76	0.10	0.0
2020	86	75	1.42	0.0
2019	86	77	0.00	0.0
2018	91	77	0.37	0.0
2017	86	78	0.02	0.0
2016	90	78	0.18	0.0
2015	88	79	0.00	0.0
2014	79	75	0.36	0.0
2013	89	76	0.22	0.0
2012	88	78	0.51	0.0
2011	86	77	0.11	0.0
2010	87	75	0.27	0.0
2009	85	76	0.40	0.0
2008	84	75	1.19	0.0
2007	88	74	1.13	0.0
2006	87	75	0.50	0.0
2005	82	74	0.77	0.0
2004	88	78	0.00	0.0
2003	89	77	0.31	0.0
2002	88	74	1.46	0.0
2001	88	78	0.06	0.0
2000	88	76	0.04	0.0
1999	87	74	0.00	0.0
1998	86	71	1.15	0.0
1997	86	78	0.34	0.0
1996	82	72	0.23	0.0
1995	88	74	0.41	0.0
1994	83	77	0.89	0.0
1993	89	77	0.04	0.0
1992	85	75	0.04	0.0
1991	90	74	0.00	0.0
1990	89	76	0.43	0.0
1989	89	75	0.00	0.0
1988	89	76	1.70	0.0
1987	90	78	0.13	0.0
1986	89	77	0.00	0.0
1985	89	75	0.10	0.0
1984	91	76	0.39	0.0
1983	90	78	0.16	0.0
1982	81	75	2.18	0.0
1981	87	76	0.25	0.0
1980	89	77	0.39	0.0
1979	90	78	0.55	0.0
1978	88	79	0.11	0.0
1977	82	78	0.56	0.0
1976	86	76	0.14	0.0
1975	82	76	1.21	0.0
1974	89	80	0.05	0.0
1973	86	79	0.41	0.0
1972	82	70	4.70	0.0
1971	89	80	0.19	0.0
1970	89	73	1.25	0.0
1969	91	76	0.00	0.0
1968	84	75	0.56	0.0
1967	85	76	0.07	0.0
1966	86	73	0.93	0.0
1965	89	75	0.29	0.0
1964	88	76	0.99	0.0
1963	88	75	0.00	0.0
1962	90	75	0.55	0.0
1961	85	75	0.44	0.0
1960	86	77	0.31	0.0
1959	85	73	1.00	0.0
1958	86	77	0.14	0.0
1957	86	75	0.18	0.0
1956	86	75	0.05	n/a
1955	86	74	0.50	n/a
1954	88	78	0.00	n/a
1953	89	77	0.05	n/a
1952	91	75	0.00	n/a
1951	87	73	0.32	n/a
1950	86	76	0.03	n/a
1949	85	73	1.29	n/a
1948	84	75	0.44	n/a
1947	86	78	0.00	n/a
1946	n/a	n/a	n/a	n/a
1945	88	76	0.03	n/a

What's the all-time high for Guam on 9/17?

For the date of Sep 17, the highest temperature ever reached in Guam history is 91 °F which has happened 4 times, most recently in 2018.

Highest Temperatures in Guam on September 17

What's the all-time low for Guam on 9/17?

For the date of Sep 17, the lowest temperature ever reached in Guam history is 70 °F which happened in 1972.

Lowest Temperatures in Guam on September 17

Lowest High Temperatures in Guam on September 17

What's the most it has ever rained in Guam on 9/17?

For the date of Sep 17, the most precipitation ever recorded in Guam history is 4.70 inches which happened in 1972.

All-Time Most Precipitation in Guam on September 17

Weather Station Details

Years	Station	Coordinates
1945–2024	Guam International Airport	location