Average September Temperature in Lethbridge by Year

This page contains a list of the average monthly high and low temperatures in Lethbridge, Alberta for the month of September each year between 1938 and 2023. It is based on NOAA data.

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What Was the Hottest September Ever in Lethbridge?

1938 was the warmest September in the history of Lethbridge, Alberta. The average daily high temperature was 26.5 °C, and the average low was 8.9 °C.

What Was the Coldest September Ever in Lethbridge?

1965 was the coolest September in the history of Lethbridge, Alberta. The average daily high temperature was 12.3 °C, and the average low was 1.1 °C.

* click column headers to sort

Year	Rank	High (°C)	Low (°C)
2023	22	22.2	6.0
2022	7	23.9	6.7
2021	20	23.0	5.5
2020	28	22.1	5.3
2019	51	19.2	5.8
2018	81	15.7	3.0
2017	35	21.6	4.7
2016	46	19.8	5.4
2015	53	20.0	4.6
2014	49	20.1	5.0
2013	15	22.5	7.1
2011	14	24.0	6.0
2010	74	17.0	4.4
2009	5	26.1	4.8
2008	56	20.5	3.9
2007	61	20.3	3.1
2006	34	21.4	5.0
2005	68	18.7	4.3
2004	58	19.2	4.7
2003	59	19.5	4.2
2002	62	18.4	4.9
2001	16	23.9	5.5
2000	43	20.3	5.1
1999	63	20.2	3.2
1998	8	23.9	6.5
1997	11	24.3	6.1
1996	54	19.2	5.4
1995	57	20.9	3.3
1994	12	24.9	5.5
1993	65	18.6	4.5
1992	71	18.4	3.7
1991	36	21.3	5.0
1990	4	25.3	6.7
1989	37	20.5	5.7
1988	47	20.1	5.1
1987	17	23.2	6.0
1986	83	13.7	3.6
1985	84	13.6	3.2
1984	80	15.3	3.7
1983	67	18.5	4.5
1982	50	19.4	5.6
1981	27	21.9	5.8
1980	45	19.8	5.5
1979	6	23.3	7.3
1978	40	19.4	6.7
1977	70	17.0	5.4
1976	9	23.7	6.7
1975	33	21.5	5.0
1974	55	20.1	4.4
1973	41	20.1	6.0
1972	82	15.4	2.7
1971	73	17.7	3.9
1970	60	18.4	5.0
1969	30	21.2	5.5
1968	44	19.3	6.1
1967	2	26.1	8.3
1966	13	23.3	7.0
1965	85	12.3	1.1
1964	77	16.2	3.8
1963	3	24.6	9.1
1962	38	21.2	5.0
1961	78	16.5	3.4
1960	24	21.9	6.1
1959	72	16.9	5.1
1958	29	19.8	7.1
1957	19	21.4	7.3
1956	42	19.4	6.2
1955	69	18.1	4.4
1954	66	17.1	5.9
1953	25	21.6	6.2
1952	18	21.9	7.0
1951	76	15.9	4.3
1950	39	20.8	5.4
1949	32	21.2	5.4
1948	26	21.6	6.1
1947	64	17.0	6.1
1946	48	18.9	6.3
1945	75	16.9	4.3
1944	21	21.1	7.2
1943	23	22.2	5.8
1942	52	19.0	5.9
1941	79	15.3	4.3
1940	10	21.9	8.5
1939	31	20.6	6.1
1938	1	26.5	8.9

Weather Station Details

Years	Station	Coordinates
2011–2024	Lethbridge	location
2006–2011	Lethbridge AWOS A	location
1938–2005	Lethbridge A	location